10 Best Free Mobile App Builders in 2026 (Tested)

We tested the 10 best free mobile app builders of 2026 — Glide, Thunkable, MIT App Inventor, Appy Pie AI & more — with honest pros and cons.

You can build a real mobile app in 2026 without spending a cent — but “free” means very different things across these ten tools, from fully open-source to free-trial. This guide from Appy Pie AI tested the best free app builders with honest pros and cons and exactly what each one’s free tier gives you. Full disclosure: our own builder is included, and because its free tier is a trial rather than free-forever, we ranked it #4, not first.

What This Guide Delivers

  • 10 free mobile app builders tested side by side
  • What each free tier actually includes
  • Honest pros and cons for every option
  • Which can publish to the app stores free
  • Decision matrix to match a builder to you
  • 5 FAQs on branding, publishing and limits

Tested June 2026. “Free” varies — some are free-forever (MIT App Inventor, Kodular), others are free tiers or trials. Appy Pie AI own builder is included with full disclosure and is NOT ranked first. Rated 4.7/5 on G2 from 1,388 reviews.

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TL;DR Quick Summary

Ten free mobile app builders lead in 2026, but “free” differs. Glide is the best overall free tier for data apps; Thunkable is the strongest free cross-platform builder; MIT App Inventor is fully free and unbeatable for learning. Appy Pie AI (our product, full disclosure) is the easiest for non-coders but its free tier is a trial, so we ranked it #4, not first. Kodular, AppSheet, FlutterFlow, AppsGeyser, SAP Build Apps and Jotform round out the list with specialized free strengths.

BuilderBest forFree planPaid from
GlideOverall Free — Data AppsYesFree
ThunkableCross-Platform FreeYesFree
MIT App InventorFully-Free / EducationalYesFree
Appy Pie AIFree-to-Try for Non-CodersTrialTrial
KodularBlock-Based Android AppsYesFree
Google AppSheetData & Spreadsheet AppsYesFree
FlutterFlowFree Tier for FlutterYesFree
AppsGeyserFree Web-to-AppYesFree
SAP Build AppsEnterprise Free TierYesFree
Jotform AppsForm-Based AppsYesFree
Start Building Free →
“Free” has three flavours — know which one you are getting. Free-forever tools (MIT App Inventor, Kodular) cost nothing, ever. Free tiers (Glide, Thunkable, AppSheet, FlutterFlow) are genuinely free until you need publishing, branding removal or scale. Free trials (Appy Pie AI) let you build free but need a paid plan to ship. None of that is bad — just match the flavour to whether you need a learning project, a side build, or a real launched app. Want the full picture? See the best AI app builders.

How We Tested These Free App Builders

Every builder was tested on the same criteria: what the free tier actually includes, ease of use for beginners, output quality and platforms, free publishing options, and the path beyond free. Tested June 2026.

What’s actually free

Free-forever, free tier, or trial — and where the wall is.

Beginner-friendliness

Can a first-timer ship something, or is code/skill required?

Output & platforms

iOS, Android or both — and how the app actually feels.

Free publishing

Can you get to the stores without paying the builder?

Path beyond free

What it costs and what you gain when you outgrow the free tier.

Disclosure

Appy Pie AI is our own product. Because its free tier is a trial, we ranked it 4th, not 1st.

RANK 01

Glide

Best Overall Free — Data Apps

Glide turns spreadsheets into mobile apps using a visual builder with tight integration with Google Sheets. Designed primarily for internal tools and business dashboards, it enables non-developers to transform structured data into responsive apps with filterable lists, forms, and

Glide: free mobile app builder
Glide: free mobile app builder
Strengths
  • Turns Google Sheets/Excel into apps instantly
  • Polished, modern UI out of the box
  • Genuinely generous free tier
Cons
  • Data-app focused; less for complex custom logic
  • Free tier caps rows and updates
PricingFree plan · paid from $25/month
Bottom line: a strong free pick when you want overall free — data apps.
RANK 02

Thunkable

Best Cross-Platform Free

Thunkable is a visual drag-and-drop app builder for cross-platform apps with real-time testing and logic blocks. Its block-based programming system allows users to define app behaviors without scripting, making it ideal for interactive apps with navigation, media, forms, and data

Thunkable: free mobile app builder
Thunkable: free mobile app builder
Strengths
  • True iOS + Android from one free project
  • Drag-and-drop with real logic blocks
  • Active community and templates
Cons
  • Free apps carry Thunkable branding
  • Performance lags on complex apps
PricingFree plan · paid from $13/month
Bottom line: a strong free pick when you want cross-platform free.
RANK 03

MIT App Inventor

Best Fully-Free / Educational

MIT App Inventor is an open-source educational platform that enables beginners to build Android apps with visual programming. Developed by MIT and supported by a global community, it emphasizes learning through doing. Users build logic through drag-and-drop blocks and design layo

MIT App Inventor: free mobile app builder
MIT App Inventor: free mobile app builder
Strengths
  • 100% free and open-source, forever
  • Excellent for learning app development
  • Beginner-friendly block editor
Cons
  • Android-first; iOS support is limited
  • Dated UI, not for polished production apps
PricingCompletely free and open-source
Bottom line: a strong free pick when you want fully-free / educational.
RANK 04

Appy Pie AI ★

Best Free-to-Try for Non-Coders

Appy Pie AI free trial plan lets users build Android and iOS apps using a no-code interface with drag-and-drop modules. It simplifies the app creation process by offering categorized templates, pre-configured navigation, and built-in components like forms, maps, or chatbots. The p

Appy Pie: free mobile app builder
Appy Pie AI: free mobile app builder
Strengths
  • Easiest path for a non-coder to a real native app
  • Maps, push, payments and store submission built in
  • Publishes to both app stores with guided help
Cons
  • Full value is in paid plans — the free tier is a trial, not free-forever
  • Less customizable than code-based tools
PricingFree trial · plans from $16/month
Bottom line: full disclosure, this is ours — the easiest route to a real native app for a non-coder, but its free tier is a trial, which is why it sits at #4 in a list about truly free tools.
RANK 05

Kodular

Best for Block-Based Android Apps

Kodular is a free visual app builder based on the App Inventor framework, with a modern UI and monetization support. It targets users looking to build Android apps with enhanced features such as ads, components, media handling, and database connections. With its flexibility and e

Kodular: free mobile app builder
Kodular: free mobile app builder
Strengths
  • Free block-based builder with monetization
  • Large component library
  • Good for Android utility apps
Cons
  • Android-only output
  • Relies on ads / community support
PricingFree to build and publish
Bottom line: a strong free pick when you want block-based android apps.
RANK 06

Google AppSheet

Best for Data & Spreadsheet Apps

Google AppSheet is designed for creating internal business apps from spreadsheets and databases—great for approvals, operations, field workflows, and dashboards. Many teams can explore or test it at low/no initial cost depending on their setup, but broader usage typically involve

Google AppSheet: free mobile app builder
Google AppSheet: free mobile app builder
Strengths
  • Builds apps from Sheets/Excel/databases free
  • Strong automation and workflows
  • Tight Google Workspace integration
Cons
  • Best for internal/data apps, not consumer apps
  • Cost scales per user beyond the free tier
PricingFree tier · paid from $5/user/month
Bottom line: a strong free pick when you want data & spreadsheet apps.
RANK 07

FlutterFlow

Best Free Tier for Flutter

FlutterFlow is a modern, pro-level app builder that’s popular for building polished cross-platform apps with a visual UI editor and logic. It’s often free to start building, but exporting/publishing and advanced capabilities may require an upgrade depending on your workflow.

FlutterFlow: free mobile app builder
FlutterFlow: free mobile app builder
Strengths
  • Generous free tier on top of Google’s Flutter
  • Real, exportable Flutter code
  • Mix of visual building and custom code
Cons
  • Steeper learning curve than pure no-code
  • Free tier limits exports and integrations
PricingFree plan · paid from $30/month
Bottom line: a strong free pick when you want free tier flutter.
RANK 08

AppsGeyser

Best for Free Web-to-App

AppsGeyser is a free Android-only app builder that converts web content or templates into APKs with monetization options. Focused on simplicity and speed, the platform offers over 30 templates such as browser apps, chat apps, games, and quiz formats that require no programming kn

AppsGeyser: free mobile app builder
AppsGeyser: free mobile app builder
Strengths
  • Free to build and publish to Google Play
  • Fast website-to-app conversion
  • No coding required
Cons
  • Basic feature set
  • Ads on free apps
PricingFree to build and publish
Bottom line: a strong free pick when you want free web-to-app.
RANK 09

SAP Build Apps

Best Enterprise Free Tier

SAP Build Apps is a free mobile app builder for makers who want to ship without a budget.

SAP Build Apps: free mobile app builder
SAP Build Apps: free mobile app builder
Strengths
  • Enterprise-grade no-code with a free tier
  • Strong data and backend integration
  • Professional, production-grade output
Cons
  • Overkill for simple consumer apps
  • Enterprise pricing beyond the free tier
PricingFree tier · enterprise pricing beyond it
Bottom line: a strong free pick when you want enterprise free tier.
RANK 10

Jotform Apps

Best for Form-Based Apps

Jotform Apps lets you turn forms and workflows into simple mobile-friendly apps for internal use cases like requests, approvals, onboarding, and checklists. It’s especially useful if your “app” is mostly form submissions and process tracking.

Jotform Apps: free mobile app builder
Jotform Apps: free mobile app builder
Strengths
  • Free to turn forms into simple apps
  • No coding, very fast setup
  • Good for data collection and intake
Cons
  • Form-centric; not full app logic
  • Branding and limits on the free tier
PricingFree plan · paid from $34/month
Bottom line: a strong free pick when you want form-based apps.

Which Free App Builder Should You Use?

Match your situation to a builder in one row. The key question is what “free” you need — a learning project, a side build, or a launched app.

If you are…PickWhy
You want the best free tier overallGlidePolished data apps, generous free plan
You need iOS + Android freeThunkableTrue cross-platform, free
You want to learn how apps workMIT App Inventor100% free, educational
You’re a non-coder who wants to launchAppy Pie AIEasiest path; paid to publish
You build internal/data appsAppSheetApps from spreadsheets, free tier
You want real exportable codeFlutterFlowFlutter code, generous free tier

Decide whether you need free-forever, a free tier, or a free trial — then pick. The cheapest tool is no bargain if it can’t do what your app actually needs.

Build Your First App Free

Appy Pie AI lets non-coders build a real native app free to start, with maps, push and payments built in — and helps you publish when you’re ready.

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Frequently Asked Questions

What is the best free mobile app builder in 2026?

It depends on your goal: Appy Pie AI is great for fast MVPs with templates, Glide is best for spreadsheet-to-app tools, Thunkable is strong for cross-platform prototyping, and MIT App Inventor is a truly free option for learning Android.

Can I publish an app to Google Play or the Apple App Store for free?

Most platforms let you build for free, but publishing often requires an upgrade. Also, Google and Apple developer accounts have their own fees.

Which free app builder is best for Android only?

MIT App Inventor, Kodular, and AppsGeyser are strong choices for Android-only builds.

Which free app builder is best for iOS + Android?

Thunkable and FlutterFlow are popular cross-platform choices (free to start building; publishing may require an upgrade).

Which free app builder is best for internal business apps?

Glide, Google AppSheet, and Jotform Apps work very well for internal tools like approvals, inventory, HR workflows, and dashboards.

The Best Free App Builder Depends on What “Free” You Need.

Glide wins on free tier, Thunkable on cross-platform, MIT App Inventor on truly-free learning — and Appy Pie AI on the easiest path to a launched app, full disclosure, ranked #4 because its free tier is a trial. Decide what you need free, then pick. Ready for more? Compare the best AI app builders.

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Aasif Khan
Written By

Aasif Khan

Head of SEO at Appy Pie AI and Pixazo

Head of SEO and Growth Marketing Lead at Appy Pie AI with 17+ years in digital marketing, AI-powered optimization, and scalable growth strategies.

Abhinav Girdhar
Reviewed By

Abhinav Girdhar

Founder & CEO, Appy Pie AI

Founder and CEO of Appy Pie AI. Builder of one of the world’s largest no-code and AI platforms, with 10M+ apps and websites created.