Yuvraj Singh

Yuvraj Singh

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Yuvraj is an exceptional technical content writer with a strong computer science background. He has a talent for simplifying complex topics and making them accessible to readers. With a bachelor's degree in computer science, Yuvraj has built a solid technical foundation, including programming, algorithms, and software development skills. This expertise forms the backbone of his writing career. As a regular contributor to the Appy Pie blog, he has established himself as an expert in various fields, including app development, research, web design, and digital marketing. Yuvraj's writing style showcases both creativity and versatility. He is skilled at creating in-depth tutorials, thought-provoking opinions, and entertaining listicles that engage and inform his audience.

MVVM and SwiftUI

Yuvraj Singh
By Yuvraj Singh | February 6, 2025

code { color : #000000; background-color: #f4f4f4; border-left: 4px solid #ccc; overflow-x: auto; } SwiftUI is not MVVM, but they go really well together. What’s the Model-View-ViewModel (MVVM) architectural pattern and how do you use it? In this mobile app development tutorial, we’ll discuss how you can use MVVM to better organize your app’s code. Here’s what we’ll get into: [...]

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How To Find an Item in an Array in Swift

Yuvraj Singh
By Yuvraj Singh | February 6, 2025

code { color : #000000; background-color: #f4f4f4; border-left: 4px solid #ccc; overflow-x: auto; } How do you find an item in an array in Swift? Let’s find out! In this mobile application development tutorial you’ll learn how to use the various generic functions to find matching items in an array. We’ll get into: The algorithm that’s used for finding items in an array How you can find the first and last in[...]

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How To Download, Install and Update Xcode

Yuvraj Singh
By Yuvraj Singh | February 6, 2025

code { color : #000000; background-color: #f4f4f4; border-left: 4px solid #ccc; overflow-x: auto; } Xcode is the Mac app that developers use to create apps for Apple’s platforms, like iOS. In this tutorial, you’ll learn how you can download and install Xcode on your Mac. Here’s what we’ll get into: 3 approaches to download and install Xcode on your Mac Tips and tricks to keep your Xcode up-to-date How to i[...]

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Struct vs. Class in Swift Explained

Yuvraj Singh
By Yuvraj Singh | February 6, 2025

code { color : #000000; background-color: #f4f4f4; border-left: 4px solid #ccc; overflow-x: auto; } Are you developing your mobile app and wondering what’s the difference between classes vs. structs? They’re so alike! It’s best to use structs by default, but why? And when should you use classes, then? In this tutorial, we’re going to take a look into structs vs. classes. When do you use a class, and when do [...]

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Displaying Alerts with UIAlertController in Swift

Yuvraj Singh
By Yuvraj Singh | February 6, 2025

code { color : #000000; background-color: #f4f4f4; border-left: 4px solid #ccc; overflow-x: auto; } In this app development tutorial, you’ll learn how to use the UIAlertController class to display alert dialogs in your iOS app. We’ll dive into setting up the alerts, responding to user actions, and getting input from the user with text fields. The UIAlertController is a basic but important part of the iOS SDK,[...]

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Networking in Swift with URLSession

Yuvraj Singh
By Yuvraj Singh | February 6, 2025

code { color : #000000; background-color: #f4f4f4; border-left: 4px solid #ccc; overflow-x: auto; } 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 in[...]

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For Loops in Swift (How To)

Yuvraj Singh
By Yuvraj Singh | February 6, 2025

code { color : #000000; background-color: #f4f4f4; border-left: 4px solid #ccc; overflow-x: auto; } A for loop is a fundamental concept of programming. You can repeat code with a for loop, and make your code more expressive and elegant. You use for-in, while and repeat-while to loop in Swift. In this tutorial you’ll learn how to use the for-in loop, with collections and ranges, and how to use other approaches like wh[...]

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Working with Codable and JSON in Swift

Yuvraj Singh
By Yuvraj Singh | February 6, 2025

code { color : #000000; background-color: #f4f4f4; border-left: 4px solid #ccc; overflow-x: auto; } You can use Codable in Swift to encode and decode custom data formats, such as JSON, to native Swift objects. It’s incredibly easy to map Swift objects to JSON data, and vice versa, by simply adopting the Codable protocol. As a pragmatic iOS developer, you’ll come across JSON sooner rather than later. Every webser[...]

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how long dose it takes to publish your app

How Long Does It Take to Publish Your App?

Yuvraj Singh
By Yuvraj Singh | January 30, 2025

After creating an app, you need to get it published in your preferred app store. Google Play Store and Apple App Store are the two major app stores where app developers launch their apps. There is a certain duration for both the app stores to review and approve your app. Table of Content Common Reasons Why Your App Can Get Rejected by App Stores Top Reasons Why Your App Could Be Rejected by Apple App Store Top Reasons Why Your App Could Be Rejected by Google Play Store How to Avoid A[...]

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Everything You Should Know About In App Referral Programs

In App Referral Program – Everything You Need To Know

Yuvraj Singh
By Yuvraj Singh | January 29, 2025

In theory, referral program is one of the easiest ways to widen your user base in a simple and efficient manner. However, like most other marketing programs, this too needs proper planning and strategization. It is in the absence of careful planning, attention to details and updating the strategy according to the app’s growth that has led to many a company failing miserably at this simple marketing program. This concept is not entirely new. Through the ages we have looked for referrals and [...]

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How to create an app like wattpad

How to Create an App Like Wattpad for Readers & Writers?

Yuvraj Singh
By Yuvraj Singh | January 29, 2025

Everything we do is taking on the digital format, even reading and writing. eBooks and eBook apps have hence grown popular for the convenience they offer. You could carry a book or a couple maybe while you were on the move, but today you have the power to carry an entire library with you on a smartphone, tablet, or eReader! Revenue in the eBooks segment is expected to reach USD16.08 billion by 2027. This number projection has a lot to do with the evolution of technology that has made reading [...]

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An Ultimate Guide To Mobile App Install Campaigns

An Ultimate Guide To Mobile App Install Campaigns

Yuvraj Singh
By Yuvraj Singh | January 28, 2025

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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How to Build a Language Learning App Like Duolingo

How to Build a Language Learning App Like Duolingo

Yuvraj Singh
By Yuvraj Singh | January 28, 2025

pre { background-color: #f4f4f4; padding: 10px; border-left: 4px solid #ccc; overflow-x: auto; } .step { margin-bottom: 20px; } Language learning apps like Duolingo have revolutionized how people acquire new languages. With interactive lessons, gamified features, and personalized experiences, these apps make learning engaging and effective. If you want to create an app like duolingo, this[...]

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How to Develop an AI Writing Assistant Like Grammarly

How to Develop an AI Writing Assistant Like Grammarly

Yuvraj Singh
By Yuvraj Singh | January 28, 2025

pre { background-color: #f4f4f4; padding: 10px; border-left: 4px solid #ccc; overflow-x: auto; } .step { margin-bottom: 20px; } The rise of AI-powered writing assistants has made tools like Grammarly essential for many users. These apps help improve writing by checking grammar, style, tone, and more. If you're interested in developing an AI writing assistant like Grammarly, you're in the [...]

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How to create an app like perplexity

How to Create an App Like Perplexity

Yuvraj Singh
By Yuvraj Singh | January 27, 2025

pre { background-color: #f4f4f4; padding: 10px; border-left: 4px solid #ccc; overflow-x: auto; } .step { margin-bottom: 20px; } The rise of advanced AI applications like Perplexity has set new benchmarks in conversational AI and question-answering systems. Perplexity demonstrates the power of combining natural language processing (NLP) with user-centric design. If you're inspired to creat[...]

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How to create an app like Uber Eats

How to create an app like Uber Eats

Yuvraj Singh
By Yuvraj Singh | January 23, 2025

On-demand delivery services are in demand, particularly since the pandemic hit us in 2020. The ease of getting essentials to luxury products being delivered at home has led to the sustained popularity of such services even after the restrictions were lifted. Food delivery services, particularly, have gained and sustained immense popularity in the US and worldwide. What if you could serve these 80.6 million people by making an app like Uber Eats or an app that is better than Uber Eats? True, it i[...]

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How to Build an App Like Instacart

How to Build an App Like Instacart?

Yuvraj Singh
By Yuvraj Singh | January 23, 2025

Life is now divided into two time periods. Pre-pandemic and post-pandemic. It’s true that we cannot say with certainty when this pandemic will be over, but we as a global community have adapted to a new way of living. In the pre-pandemic world, what we saw as niche trends became standard practice in the post-pandemic world. The wide use of grocery delivery apps similar to Instacart is one such phenomenon. In the pre-pandemic scenario, most of the younger generation, especially the millennial[...]

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top 11 web portfolios examples

11 Best Web Developer Portfolios: Stand Out From the Crowd

Yuvraj Singh
By Yuvraj Singh | March 18, 2024

Nowadays, a well-organized and qualified portfolio website is what makes a difference in the digital world. Besides increasing your visibility, it helps interested clients and possible employers to see your abilities at work. In this blog, we will look at 11 examples of web developer portfolios that can be used to take you to the next level online. Whether your preference is minimalist, maximalist, or vibrant full of color and animation, we are able to get you just that. 11 Web Developer Portfo[...]

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The Definitive Guide to the Right TikTok Video Size

Yuvraj Singh
By Yuvraj Singh | March 2, 2024

"In the dynamic landscape of social media, TikTok has emerged as a formidable platform for content creators, brands, and individuals keen on sharing their stories, talents, and products with the world. Its distinctive algorithm and extensive user base enable content that resonates and engages to catapult creators to overnight viral fame. However, unlocking this potential requires not only creativity and authenticity but also a deep understanding and optimization of the technical aspect[...]

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100+ Inspiring WhatsApp Status Quotes: Videos, Images, and Quotes for Every Mood

Yuvraj Singh
By Yuvraj Singh | February 28, 2024

WhatsApp is not just about messaging; it's a platform for expression. Whether through statuses, videos, or your profile picture, every feature offers a unique way to share parts of your life. If you're looking to make your WhatsApp profile even more personal, consider using a WhatsApp DP Maker. This tool allows you to create a display picture that truly represents you, making your profile stand out. Captivating Captions for Your Videos [...]

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51 Beautiful Examples of Vintage and Retro Typography

Yuvraj Singh
By Yuvraj Singh | February 28, 2024

What makes Old English Font, Vintage Font, and Retro Font charming is mostly their status that doesn't have any comparisons in the field of design. With the integration of AI Design tools, these fonts gain an innovative edge, marrying the allure of the past with cutting-edge technology. Old English Font and Vintage Font, Retro Font are pretty much in the style of the vibe of the past, and, of course, they still hold some importance for creative work. This post introduces the 51 great examples of[...]

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11 Top Font Trends to Try in 2025: A Journey into Digital Design

Yuvraj Singh
By Yuvraj Singh | February 26, 2024

In the ever-evolving realm of digital design, Font in Trends plays a pivotal role, influencing not only user experience but also shaping brand identity. Understanding the significance of cool fonts and fun fonts is crucial, as they contribute substantially to how audiences perceive and engage with content. Fonts, beyond being mere letters on a screen, act as silent storytellers, conveying emotions and establishing a visual language, and employing tools like I[...]

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Top 51 Best Free Bold Fonts: Mastering Impactful Design

Yuvraj Singh
By Yuvraj Singh | February 26, 2024

In the world of design, the importance of bold fonts cannot be overstated. Bold fonts, characterized by thick and impactful lettering, play a pivotal role in creating a lasting visual impact on any design. The connection between bold fonts and a design's effectiveness lies in their ability to grab attention instantly. When used strategically, these big, bold letter fonts become a powerful tool in capturing the audience's focus and conveying the intended message. [...]

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22 Fonts to Bring the Nostalgia of the 90s

Yuvraj Singh
By Yuvraj Singh | February 24, 2024

The 1990s were a vibrant and transformative decade, leaving a lasting impression on culture, music, fashion, and notably, design. The era's distinctive style is still celebrated today, with '90s typography making a strong comeback in various design projects. To evoke the cool, retro vibes of the nineties in your work, incorporating nostalgic fonts from the 1990s is key. This guide will walk you through 22 iconic fonts that capture the spirit of the '90s, ensuring your design projects resonate wi[...]

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How to Create Movie Streaming Websites with Download Feature?

How to Create Movie Streaming Websites with Download Feature?

Yuvraj Singh
By Yuvraj Singh | October 27, 2023

The rise of online movie streaming has converted the entertainment industry from traditional cinemas to digital media platforms. People now prefer watching movies and TV shows online on platforms like Netflix, Amazon Prime Video, and Disney+ Hotstar. These platforms have revolutionized the way we consume content by offering a convenient, on-demand viewing experience. If you’ve ever wondered how to create your own movie streaming website or app, you’re in the right place. This blog wi[...]

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Top 10 Free Manga Websites

Top 10 Best Manga Websites to Satisfy Manga Cravings

Yuvraj Singh
By Yuvraj Singh | October 26, 2023

Are you a manga fan searching for the best places to read your favorite series? This guide is here to help! We've compiled a list of the top 10 manga websites in 2025, offering both free and paid options to suit every reader's needs. Whether you're into action-packed adventures, heartwarming romances, or thrilling mysteries, these platforms provide vast collections, user-friendly interfaces, and exciting features. From official translations to offline reading, you'll find everything you need to [...]

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