Aasif Khan

Aasif Khan

Head of SEO at Appy Pie

The Head of SEO and Author at Appy Pie, Aasif Khan has an experience of 15+ years in the digital marketing industry. Today, he is an expert in SEO, SMO, SEM, and is also one of the top contributors to Appy Pie Blog. He writes about the Mobile App, Website, Chatbot, Automation, NFTs, Crypto, Ethereum and going trends in the digital marketing industry. He loves working out in the gym and also spares some time for hobbies like playing cricket and reading books among other things.

How To: Get Started With CocoaPods

Aasif Khan
By Aasif Khan | December 29, 2021 | 4-min read

CocoaPods is a package manager for iOS apps. In this tutorial, you’ll learn how to use CocoaPods to integrate third-party libraries into your iOS apps. Learning how to work with build tools, such as CocoaPods, is a must-have for practical iOS development. CocoaPods makes dealing with dependencies easy, and conveniently helps you to keep your project up-to-date with the latest library versions. In this tutorial, we’ll get into: What CocoaPods is and how it works How to install pods [...]

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The Basics of App Store Optimization

Aasif Khan
By Aasif Khan | December 31, 2021 | 5-min read

App Store Optimization (ASO) are the tactics you can use to “rank” your app higher in the App Store. Ranking governs which apps are listed as the Top 25 and Top 100 in the App Store. An app’s ranking greatly influences how many people install it, which is why you use ASO to get more app installs. You’ve just made your first iPhone app and published it into the App Store. Great! But… your app installs aren’t going through the roof. Now what? In this tutorial you’re going to ta[...]

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Working With JSON In Swift With SwiftyJSON

Aasif Khan
By Aasif Khan | December 23, 2021 | 4-min read

Working with JSON can be cumbersome, but not if it’s up to SwiftyJSON! In this tutorial, you’ll learn how to work with JSON data in Swift with the SwiftyJSON library. Table of Contents What Is JSON? Parsing JSON With SwiftyJSON How SwiftyJSON Works Further Reading What Is JSON? Before we get started, let’s briefly discuss what JSON (“jay-son”) is. JSON stands for JavaScript Object Notation, and it’s a standardized file format that’s used to transmit data object[...]

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create an app

How to Successfully Grow Your App? – A Quick Guide

Aasif Khan
By Aasif Khan | September 10, 2018 | 3-min read

You have already spent months, maybe years developing your mobile app, then launching it, but you are far from done yet. If you are genuinely looking to meet any measure of success with your app in any way, it is important that you evolve continuously. This is only possible if you can accomplish an expanding active user base. It might be tough figuring out when is the right time to scale your app up, and to help you understand that we have laid out five qualifying factors that the app must meet[...]

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The Ultimate Guide to Operators in Swift

Aasif Khan
By Aasif Khan | December 29, 2021 | 8-min read

Operators in Swift are tiny symbols that produce a result. You’ve got comparison operators, logical operators, and operators like + and - for simple math. In this tutorial, we’re diving deep into Swift’s operators, including precedence and associativity, and even write our own custom operators. Here’s what we’ll discuss: The most important operators: math, assignment, comparison, logic, ranges How you can code your own custom operators Important but complex topics: precedence, [...]

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How To Detect Internet Connectivity with NWPathMonitor

Aasif Khan
By Aasif Khan | December 13, 2021 | 4-min read

Detecting an iOS app’s internet connectivity is useful if you want to check if the internet is reachable prior to making a network request. For example, you may want to periodically sync your app’s local data to the cloud – if the iPhone has a cellular or WiFi connection. Reachability and NWPathMonitor can help with that! Before iOS 12, a code snippet called Reachability was the de facto approach to determining if the internet could be accessed. Since iOS 12 you use a better approach, c[...]

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Properties in Swift Explained

Aasif Khan
By Aasif Khan | December 27, 2021 | 5-min read

You use properties in Swift to tack some data onto an object, like cookie.flavor = "Chocolate Chip". Properties in Swift look unassuming, but they actually pack quite a punch! In this tutorial, we’re going to discuss common aspects of working with properties. Here’s what we’ll get into: What’s a property and how do you use it? Stored properties vs. computed properties what happens when a property is set, with a setter the return value of a property, with a getter Observing pr[...]

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How To Get Freelance App Development Projects

Aasif Khan
By Aasif Khan | December 30, 2021 | 5-min read

Going it alone as a freelance iOS developer? In this tutorial, we’ll discuss how you can find well-paying clients, get paid for iOS projects, and build your career as a freelance iOS developer. Here’s what we’ll get into: Kinds of clients you want to avoid at all costs How to price your services as an iOS developer The most important aspect of completing iOS projects Approaches you can use to find your next client Table of Contents Get Started as a Freelance Developer W[...]

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How To Find Strings with Regular Expressions in Swift

Aasif Khan
By Aasif Khan | December 16, 2021 | 5-min read

How do you use regular expressions in Swift? In this tutorial, you’ll learn how to find strings of text with regular expression. We’ll work our way from problem to solution. Instead of giving you a ready-made code example, I’ll walk you through coding it on your own. When you’re coding your app from scratch, you’ll need to write your own bits of code. You can find tutorials of what you’re trying to accomplish on Google, but what if your code needs to be more complex than that? [...]

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How To: Build A Blockchain App With Swift

Aasif Khan
By Aasif Khan | December 28, 2021 | 10-min read

In this tutorial we are going to build a blockchain app. Blockchain technology is hot right now, and it has an immense amount of potential. But did you know that the future of the blockchain is building apps and services on top of the blockchain? I’ll show you how in this tutorial. You’ll learn how the blockchain works, what proof of work is for, and I’ll show you step-by-step how to build an app that interacts with the blockchain. The blockchain app we are going to build together is[...]

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How To Beat The iOS Developer Interview

Aasif Khan
By Aasif Khan | December 16, 2021 | 5-min read

Are you getting ready for the iOS developer interview? In this tutorial, we’ll discuss how you can best prepare yourself for the iOS developer interview and how to increase your chances to get hired. Here’s what we’ll get into: How you can best prepare for the iOS developer interview Getting comfortable with the live coding interview test Different interview setups, combos and components A killer technique for answering dialogue-style interview questions How to practice for the l[...]

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Working with Timers in Swift

Aasif Khan
By Aasif Khan | December 7, 2021 | 4-min read

Timers are super handy in Swift, from creating repeating tasks to scheduling work with a delay. This app development tutorial explains how to create a timer in Swift. We’ll discuss how to use the Timer class, formerly known as NSTimer, to schedule timers. We’ll get into repeating and non-repeating timers, using run loops, keeping track of timers, and how you can reduce their energy and power impact. Table of Contents How To Create a Repeating Timer with Swift Managing Timers and [...]

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Good Products Don’t Need Marketing?

Aasif Khan
By Aasif Khan | December 31, 2021 | 4-min read

As indie iOS developers we have two roles: developer and marketer. Technology sells, but it won’t if you keep thinking like a developer. If you want to help people discover your apps, you have to start thinking like a marketer. Developers often claim that good products don’t need marketing. In this tutorial, I’ll show you how that assumption leads to failure, and how you can overcome that. Table of Contents We’re All Marketers How Nerds Change The World Refactor Your Marketi[...]

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Opaque Types and ‘some’ in Swift

Aasif Khan
By Aasif Khan | December 13, 2021 | 5-min read

Opaque types are an important feature of Swift. With the some keyword, which denotes an opaque type, you can “hide” the concrete return type of a computed property or function. And that allows us to write flexible, concise and robust Swift code. In this tutorial, we’re going to discuss how opaque types work. Here’s what we’ll get into: How do you use the some keyword? What’s an opaque type and why do we need it? How do opaque types affect SwiftUI and iOS development? 3 advan[...]

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Classes in Swift Explained

Aasif Khan
By Aasif Khan | December 30, 2021 | 5-min read

Classes are one of the most fundamental building blocks of Swift code. In this tutorial, we’re going to discuss how classes work, what instances are, how inheritance works, and much more. Here’s what we’ll get into: What’s a class and what do you use it for? Working with properties and functions in a class Classes vs. structs in Swift Why it’s smart to organize and reuse your code How subclassing and inheritance works Overriding functions with override and super Table[...]

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How to Implement Smart Banners? [Essential Tips]

How to Implement Smart Banners? [Essential Tips]

Aasif Khan
By Aasif Khan | October 12, 2018

Smart Banners are an iOS native technique for the promotion of apps on the App Store with a display banner on a website simply by adding a meta tag. [...]

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A Beginner’s Guide to Big O in Swift

Aasif Khan
By Aasif Khan | December 23, 2021 | 5-min read

Big O notation is a topic that can make your head spin, especially if you’re new to algorithms. You use big O notation to describe how efficient an algorithm runs, compared to other algorithms. And we get an idea about how much more work an algorithm has to do, as the size of its input grows. In this tutorial you’ll learn: What big O notation is Why it’s relevant for iOS/Swift developers What the different time complexities mean How you can determine the time complexity of an a[...]

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35 Best Email Marketing Software & Tools for Small Businesses in 2019

47 Best Email Marketing Software & Tools for Small Businesses in 2023

Aasif Khan
By Aasif Khan | July 9, 2019 | 8-min read

In this blog post we are going to talk about email marketing, automation, the reasons to use email marketing and finally list out 47 email marketing software and tools that are best suited for small businesses. Social media marketing has been ruling the roost in the recent times, but email marketing is still the big one! Email marketing has been around since the dawn of the internet, but it doesn’t mean it has lost its impact. When planned right and implemented well, email marketing is pretty[...]

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Play With Code: Binary Search in Swift

Aasif Khan
By Aasif Khan | December 17, 2021 | 4-min read

Binary search is a simple algorithm that lets you search an array for a specific value. It’s trivial to implement in Swift, which makes it exceptionally helpful for beginners as an introduction into algorithms. And it’s also a lot of fun! In this app development tutorial, we’re going to code a binary search algorithm from scratch in Swift. It’s good practice, and we’ll learn some interesting tidbits about Swift along the way. Ready? Let’s go. Finding a Value in an Array of I[...]

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How to Use “where” in Swift

Aasif Khan
By Aasif Khan | December 16, 2021 | 4-min read

You use the where keyword to filter things in Swift. Loop over all items where x = true, for example. It’s simple and powerful! In this mobile development tutorial, we’ll discuss the various scenarios in which you can use where in Swift. Here’s what we’ll get into: What’s “where” and why is it scattered throughout Swift? Working with “where” in generics, protocols and extensions Using where in a for in where loop Using where in with switch and case Filtering and highe[...]

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how to make an iphone app

An Ultimate Guide To Mobile App Install Campaigns

Aasif Khan
By Aasif Khan | October 15, 2018 | 11-min read

Table of Content What are app install campaigns? How do app install campaigns work? What kind of a budget are we looking at? How to choose a platform? Things You Must Know Before Running An App Install Campaign Why you must go for App Install Ads? How to run an effective app install ad campaign? Points to remember while designing the perfect app install ad campaign Conclusion Even the best of the apps crash and fail. Yes, it happens! And, it happens for a reason – low numbe[...]

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Networking in Swift with URLSession

Aasif Khan
By Aasif Khan | November 25, 2021 | 5-min read

In this app development tutorial, we’ll discuss how you can use the URLSession suite of components, classes and functions to make HTTP GET and POST network requests. You’ll learn how to validate response data, and how to add additional parameters like headers to requests. Almost every app will communicate with the internet at some point. How does that work? What Swift code can you use to make HTTP(S) networking requests? Fetching and downloading data from and to webservices is a skill [...]

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How To Solve SIGABRT Error in Xcode

Aasif Khan
By Aasif Khan | December 6, 2021 | 4-min read

One minute your iOS app runs fine in Xcode, and the next it has hopelessly crashed with a cryptic SIGABRT error. What’s going on!? In this app development tutorial you’ll learn: How to solve the “Signal SIGABRT” error in Xcode How to use some of the debugging tools in Xcode What SIGABRT stands for, and what its causes are 3 approaches to find the root cause of SIGABRT Table of Contents What Does “Thread 1: Signal SIGABRT” Mean? Check Your Outlets Check The Stackt[...]

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iOS app

How to get your app published to the iOS store?

Aasif Khan
By Aasif Khan | March 17, 2017

App Builder Appy Pie, Mar 17: The world has finally woken up to the app mania. Apps are becoming a way of life. Be it health, happiness, entertainment, knowledge or wealth – there is an app for a million such categories and they are millions of each being made everyday. We don’t need more proof that apps are in and they have become a rage, much like a fire, engulfing every bit of human existence. However, like every little fairy tale with its own set of twists and turns, this awe-inspirin[...]

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app builder free

Air Canada App Breach & What the Customers Can Do Now

Aasif Khan
By Aasif Khan | August 30, 2018

App Builder Appy Pie: In light of the recent discovery of a potential network break-in, Air Canada has advised the customers to reset the passwords on their mobile apps. The notice that was sent out to all the Air Canada customers mentioned that they were able to detect an unusual login behavior with their mobile app between the dates of 22nd and the 24th of August, 2018. They also assured that immediate efforts were taken to block these attempts and additional protocols were implemented in ord[...]

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The @State Property Wrapper in SwiftUI Explained

Aasif Khan
By Aasif Khan | December 20, 2021 | 4-min read

With @State, you tell SwiftUI that a view is now dependent on some state. If the state changes, so should the User Interface. It’s a core principle of SwiftUI: data drives the UI. But how does that work? In this app development tutorial, we’ll discuss how you use @State with SwiftUI. We’ll create a simple view that updates some text as you type in a text field. And of course, we’ll deconstruct what’s going on behind the scenes, too. Here’s what we’ll get into: How does @St[...]

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15 Best Practices for Effective Mobile App Onboarding

Aasif Khan
By Aasif Khan | March 20, 2019 | 4-min read

Table of Content What is App Onboarding? Does my mobile app need onboarding? Types of Onboarding Best Practices for Mobile App Onboarding Wrapping Up 25% of mobile apps are abandoned after being launched only once. If that number scares you, here’s another one for you – 77% of people stop using an app within 72 hours of downloading it. This goes on to tell you how important app onboarding is for your app, because let’s face it, if users don’t understand your ap[...]

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iCloud Key-Value Store with NSUbiquitousKeyValueStore

Aasif Khan
By Aasif Khan | December 23, 2021 | 4-min read

Ubi–what!? With the NSUbiquitousKeyValueStore you can sync key-value store data across iOS and Mac devices, via iCloud. It’s perfect for persisting user preferences to iCloud, and it’s simple to set up. In this tutorial you’ll learn: What a key-value store is How NSUbiquitousKeyValueStore is different than UserDefaults How to read from and write to NSUbiquitousKeyValueStore And how to sync data between iOS devices Table of Contents What’s A Key-Value Store? Writing Da[...]

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What is NFT Art Finance and How to Buy NFT Art Finance?

Aasif Khan
By Aasif Khan | March 17, 2022

Over the past few months, NFTs have gained wide popularity and have become the talk of the crypto town. A lot of brands and individuals have been building their projects on blockchains that support non-fungible tokens. This increased interest has led to a rising level of tokenization on blockchain platforms such as Ethereum and EOS. One of the most popular NFT projects is CryptoKitties, which was created by Axiom Zen back in late 2017. It was considered a major hit at that time, with more th[...]

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Promises in Swift

Aasif Khan
By Aasif Khan | December 13, 2021 | 5-min read

Promises in Swift simplify your asynchronous code. Instead of “callback hell” you create a concise chain of functions, and keep your code clean. Let’s find out how! In this tutorial you’ll learn how to use promises. We’ll use PromiseKit, a great library for iOS written in Swift. Promises are part of good app architecture. Ready? Let’s go. Table of Contents The Problem Promises Solve Writing Asynchronous Code with Promises How to Make Promises with Swift Multiple Conc[...]

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Working with Alamofire in Swift

Aasif Khan
By Aasif Khan | December 7, 2021 | 7-min read

Alamofire is an elegant networking library written in Swift. You use it to make HTTP requests in your iOS apps. In this app development tutorial, we’re going to discuss how you can use Alamofire for HTTP networking! Here’s what we’ll get into: How to make simple HTTP requests with Alamofire Discuss the nitty gritty of JSON, URL-encoding and REST APIs Convenient APIs for networking, for example with Codable Handling responses of requests with Swift’s Result type Different ways o[...]

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Off-By-One Errors In Swift Programming

Aasif Khan
By Aasif Khan | December 31, 2021 | 5-min read

Off by one errors, like “Array index out of range”, happen in programming when we’ve got the boundaries of things wrong. In this tutorial, you’ll learn what an off-by-one error is and how you can solve it with Swift programming. Here’s what we’ll get into: What an off-by-one error is and how to solve it Swift’s dreaded Array index out of range error Why the fencepost problem is crucial to understand Approaches to find and solve the OBOE in Swift Including mandatory puns a[...]

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27 App Marketing Strategies That Just Work

Aasif Khan
By Aasif Khan | December 23, 2021 | 7-min read

You built an app, but you have no clue about getting people to download and install it? In this tutorial, we’ll discuss 27 app marketing strategies that help you get more app installs. Most of the marketing strategies we’ll discuss are free, and you can set them up in a few hours. We’ll specifically focus on marketing campaigns that will bring in more app installs, and more revenue. We’ll touch on many “traditional” app marketing methods, such as App Store Optimization and paid[...]

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Get Started with the App Subscription Model

Aasif Khan
By Aasif Khan | December 23, 2021 | 5-min read

The app subscription model is a great way to monetize your app. It gives your app business monthly recurring revenue (MRR) and helps you build a value-based connection with your app’s users. In this tutorial, we’re going to look at how to build such a subscription powerhouse. Here’s what we’ll get into: How do subscription apps work? What’s the best way to monetize your app? Which metrics should you track? Products and content best suited for subscriptions Table of Cont[...]

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Convert String to Int (and Back) in Swift

Aasif Khan
By Aasif Khan | December 16, 2021 | 3-min read

How do you convert a String to an Int? The Swift programming language is strong-typed, and that means you can’t type cast between types that aren’t related. Fortunately, many of Swift’s types can be converted from and to strings. Let’s find out how! Here’s what we’ll get into in this tutorial: How to convert from String to Int How to convert from Int to String How to use the printf-style String(format:) Table of Contents Convert String to Int in Swift Convert Int t[...]

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Sorya

Aasif Khan
By Aasif Khan | September 13, 2017

Good and fast support 24/24. A lot of features and user-friendly. I will recommend.[...]

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How Do App Makers Become Rich in a Year, Month, Week or Overnight?

Aasif Khan
By Aasif Khan | December 30, 2021 | 3-min read

We all know the stories. A 12-year old makes an app and it becomes a success overnight. An unknown indie game developer becomes world-famous in a matter of hours and makes millions. How do they do it? What makes an App Maker successful and more important: how do you get rich fast making apps? This blog post will dive into the technicalities of making money with apps. We’ll discover 3 ways of making money with apps, from slow to medium to super fast speeds. We’ll look into the mechanics of[...]

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Ranges in Swift Explained

Aasif Khan
By Aasif Khan | December 20, 2021 | 3-min read

You use ranges in Swift to define values between a lower and upper limit. Ranges are useful for creating slices of arrays, checking if a value is contained in a range, and much more. In this tutorial, we’ll discuss how you can work with ranges in Swift. We’ll discuss ranges vs. arrays, types of ranges, working with ranges and strings, and tips and tricks for practical iOS development. Table of Contents Types of Ranges in Swift Working with Ranges and Arrays Using Strings with Ra[...]

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GDPR Would Enhance Website Design and Development - Appy Pie

How GDPR Would Enhance Website Design and Development?

Aasif Khan
By Aasif Khan | September 19, 2018 | 3-min read

GDPR is more than mere regulations for the safety and privacy of data. It has a severe impact on the way websites today and in the future will be designed and developed. Since the law came into effect on the 25th of May 2018, it has had an impact on any website which can be accessed by the countries in the EU or are operating in the EU. Whether it is information-based sites like WebMD, Wikipedia etc., ecommerce sites like Amazon, Alibaba etc., or job sites like Jobijoba, myjob etc. they will all[...]

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A Beginner’s Guide to Google My Business

A Beginner’s Guide to Google My Business

Aasif Khan
By Aasif Khan | November 5, 2019 | 4-min read

There are innumerable websites online. With over 6 billion indexed webpages on the Internet, SEO becomes a crucial tool to help a business appear on Google Search. However, even the best SEO strategies can hide your business under the plethora of webpages that already exist. Sometimes your web pages get hidden behind junk websites which is never a good sign. Having your business appear on the first & second pages of Google searches is crucial for your online strategy to succeed. If your b[...]

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Quit Coding? Here’s How To Start Building Apps Again

Aasif Khan
By Aasif Khan | January 3, 2022 | 4-min read

Learning how to code iOS apps is challenging. When you’re working on your projects, you may not always as inspired or motivated to solve that next bug or error. Bugs, errors, mistakes, chaos, frustration and confusion – enough is enough! You don’t want to be stuck forever, so you give up on coding and quit. Sounds familiar? If so, then this tutorial is for you. I’ll show you how to get back to learning how to code, back to building iOS apps again, and how to have a fun time doing it. [...]

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best app created

Appy Pie Hackathon: The First Coding Competition to Reward the Most Innovative Ideas

Aasif Khan
By Aasif Khan | April 21, 2017

App Builder Appy Pie, Apr 21: A few days back, Appy Pie organized an annual internal coding competition, Hackathon, to reward the most innovative ideas. The main objective of this coding competition was to challenge the creative thinking abilities of their employees. This competition was open for all the employees of the institution, be it sales and support, network, SEO, or RPO department. Teams comprising 1-5 members jointly participated in this competition and came up with really cool, unique[...]

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Working with @Binding in SwiftUI

Aasif Khan
By Aasif Khan | December 8, 2021 | 4-min read

A binding in SwiftUI is a connection between a value and a view that displays and changes it. You can create your own bindings with the @Binding property wrapper, and pass bindings into views that require them. In this mobile app development tutorial, we’re going to discuss how bindings work in SwiftUI. Here’s what we’ll get into: What’s a binding and why do you need them? The difference between a binding and @Binding How to get a binding from other property wrappers, like @State[...]

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SOLID: The Single Responsibility Principle

Aasif Khan
By Aasif Khan | December 29, 2021 | 4-min read

Understanding software design principles is what sets good developers apart from great developers. Anyone can write code, but not every coder writes great code. Can the Single Responsibility Principle help you write great code? Getting better at coding starts with the iOS development fundamentals: variables, functions, Swift syntax, data structures, algorithms and the iOS SDKs. Once you’ve learned those basics, and built a few app projects, it’s time to level up and master the SOLID softw[...]

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Customize Your LinkedIn URL in 7 easy steps

Customize Your LinkedIn URL in 7 easy steps

Aasif Khan
By Aasif Khan | November 29, 2019 | 3-min read

LinkedIn is an excellent resource for professionals for connecting to their employers, colleagues and business associates. It is important to stay in touch with the people in your industry and continue that relationship that you established with them in person. LinkedIn, a social networking platform with a professional touch, helps you create strong connections with like-minded individuals, professionals, potential leaders and people you share similar interests with. LinkedIn hosts over 500 m[...]

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How to Create an SRT File for Video Subtitles

How to Create an SRT File for Video Subtitles?

Aasif Khan
By Aasif Khan | August 7, 2019 | 5-min read

In this blog, I am going to talk about SRT files and how to make subtitles for a video. Anybody who has ever had to create subtitles for video knows the challenges and its impact on their video marketing strategy. Here’s what I am going to talk about in the blog below: What is an SRT file? Why use SRT files? Parts of an SRT file How to create an SRT file? Before we start with the topic of how to make subtitles, let’s get deeper and understand what they are. What are SRT[...]

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Using Freelancers toTake Your Project tothe Next Level –Appy Pie

Using Freelancers to Take Your Project to the Next Level

Aasif Khan
By Aasif Khan | February 16, 2022 | 4 min read

Whether you are a startup founder or a side-hustler working tirelessly on your app project to reach launch status, you might lack the technical know-how or time to take your product from a concept to a thriving business. If that sounds like you, freelancers might represent one of your best options for taking your project to the next level. Early-stage projects often lack the necessary development resources but employing individuals to help you get off the ground is nothing more than a pipe d[...]

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Difference Between Native vs Hybrid Mobile App Development

Native vs Hybrid App Development – Choosing the Right Development Path for your App

Aasif Khan
By Aasif Khan | August 28, 2019 | 4-min read

Everything that exists on your phone is an app. For the average user, apps are just icons on a screen that do exactly what they were made for. From a developer standpoint, an app is millions of lines of code which consists of a complex logical breakdown for a simple requirement & execution of said requirement to give the required result. No matter how simple an app looks, it still may need a lot of work to make the app. App development for smartphones has evolved over the years. It is sti[...]

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Storing Data with NSCoding and NSKeyedArchiver

Aasif Khan
By Aasif Khan | December 15, 2021 | 5-min read

You can use NSCoding and NSKeyedArchiver to save and load simple data objects with Swift. It’s perfect for scenarios when you don’t need a more complex tool, like Core Data or Realm. In this app development tutorial, we’ll discuss: How to store and retrieve data objects with NSKeyedArchiver Why NSCoding is an important component in iOS development How NSKeyedArchiver compares to components like Codable Essential app development principles like serialization A whole lot of fun cod[...]

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How To Launch Your App

Aasif Khan
By Aasif Khan | December 16, 2021 | 5-min read

You’ve got an idea for an app. Awesome! Learn how to launch your app in the App Store, even if you don’t have any coding experience. Launch your app with these 9 steps! The world needs more indie app developers like you. Entrepreneurs who are passionate about making a positive difference in the world. Who put blood, sweat and tears into building an app that brings value to those who need it. Launching an app ain’t easy, but it’s probably not as hard as you think. I’ve gathered th[...]

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Computed Properties Explained in Swift

Aasif Khan
By Aasif Khan | December 20, 2021 | 4-min read

A computed property is a property that calculates and returns a value, rather than just store it. In this tutorial, we’ll discuss how computed properties work and how you can use them in your day-to-day iOS development. Here’s what we’ll get into: What’s a computed property? How read-only computed properties work Stored vs. computed properties How to calculate a value with a computed property Getters and setters – how they work, and why you need ’em Practical examples of c[...]

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android application maker

Top Tips to Prepare Your Apps for the Impending Holiday Shopping Spike

Aasif Khan
By Aasif Khan | September 5, 2018 | 3-min read

It has been some time now that people are taking to shop online on their smartphones. Smartphones are essentially the one stop shops for all the shopping needs that you could think of. September is here already, and it is almost time for some good old cheer and festivities which means that there is going to be a whole lot of people on your mobile app just waiting to put all kinds of amazing goodies in their chopping carts. Holidays are the time when all the retailers are competing with each oth[...]

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How I Went from App Idea to App

Aasif Khan
By Aasif Khan | December 30, 2021 | 5-min read

You’ve got an app idea. What’s next? In this tutorial, I’ll walk you through the steps I took to go from app idea to actual app. We’ll discuss sketching, making mockups, design decisions, and much more. The goal of this tutorial is to give you some hands-on steps you can put to use in your own app projects, and to help you discover what goes into building a real-world app. We’ll spend plenty of time on bridging the gap between idea and app development, because much has been said [...]

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How To Learn iOS App Development

Aasif Khan
By Aasif Khan | December 6, 2021 | 4-min read

In this tutorial, we’ll discuss how you can best learn iOS app development. We’re going to look at how you can learn to code iOS apps, instead of focusing on how to build an app. Just as with learning anything new, learning iOS development is challenging. It’s also fun, exciting and rewarding! Can you take an approach that takes the frustration out of learning how to build iOS apps, while getting you faster to the finish line? Yes! Here’s what we’ll get into: What iOS developm[...]

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Understanding Model-View-Controller (MVC) on iOS

Aasif Khan
By Aasif Khan | December 13, 2021 | 5-min read

Model-View-Controller (MVC) is an exceptionally powerful software architectural pattern for creating iOS apps. MVC is the answer to the question: “How should I organize code in my iOS app?” You already know Object-Oriented Programming (OOP). OOP organizes your Swift code in classes that have properties and functions, much like bob is an instance of class Human, that has properties legs and noseSize. Model-View-Controller builds on top of Object-Oriented Programming. It structures the f[...]

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Combining Network Requests with Combine and Swift

Aasif Khan
By Aasif Khan | December 6, 2021 | 7-min read

What if a HTTP network request depends on the response of another? In this app development tutorial, we’ll discuss how you can parallelize and/or serialize networking tasks with Combine. Here’s what we’ll get into: Combining multiple Combine publishers in Swift Working with Publishers.Zip and flatMap() How subscribers and publishers work in Combine Getting to know Combine’s generics and types Working with JSON and Codable with Combine Making network requests with Combine and U[...]

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mobile application development

How to Create App Permission Requests No One Can Say No To? (& What to Say When They Say No?)

Aasif Khan
By Aasif Khan | October 25, 2018 | 5-min read

App Builder Appy Pie: The app users today are expecting a stellar user experience and even a little detail can ruin this experience for them. One of the most common reasons for this to happen is mishandling or poorly planning the permission requests for your app. You must have noticed while trying to install some apps, you get bombarded by permission requests for a number of things like location, camera, album, calendar, contacts, push notifications, and other such things. For most of the apps [...]

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Working with UserDefaults in Swift

Aasif Khan
By Aasif Khan | December 8, 2021 | 5-min read

The UserDefaults object, formerly known as NSUserDefaults, is exceptionally useful for storing small pieces of data in your app. You use it to save your app user’s settings, set some “flags”, or simply use it as a tiny data store. In this app development tutorial you’ll learn: How to set and get data with UserDefaults When it’s best to use UserDefaults (and when not…) How to work with user defaults to improve your iOS development Table of Contents What are UserDefau[...]

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health app

How An App Can Help Healthcare Industry Grow Its Customer Base and Revenue

Aasif Khan
By Aasif Khan | June 6, 2017

App Builder Appy Pie, June 6: The world has shifted from desktops to smartphones. This change has proven successful for almost every industry vertical in offering tremendous ROI. With the rapid growth of the smartphones market, creating a mobile app for your business is probably one of the most rewarding things that you can do now. Having a mobile app for your business not only helps you improve return on investment, but also helps you to deliver excellent customer service. Seeing this growth, h[...]

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Most-Popular-Web-Development-Frameworks-for-Appy-Pie

Most Popular Web Development Frameworks for 2023

Aasif Khan
By Aasif Khan | August 1, 2019 | 15-min read

Table of Content Introduction Smart Web Development Most popular web development frameworks Introduction Websites are an essential part of a business's digital identity and online presence. In this digital era, an overwhelming majority of people (70-80%) use the internet to research and find out more about a company before making a final buying decision. This makes it critical for businesses to have an up-to-date and well-designed website that effectively communicates the compan[...]

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