MIT App Inventor
App Inventor is the largest app development tool for global education.
- 30M Learners
- 137M Apps Built
- 200 Countries + Regions
- 52% Developing World
See what students build
All you need is a web browser
App Inventor is free and runs right in your browser on a Mac, Windows computer, or Chromebook. There’s nothing to install.
Run your app on your own phone or tablet. Get the free MIT AI2 Companion app for iPhone or Android. Here’s how to connect.
Pick something to build
Each one opens a working project in App Inventor, with step-by-step instructions right beside it.
Beginner
No experience needed. About an hour each.
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Hello Purr
Tap the kitty and hear him meow. The classic first app.
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Talk to Me
Build an app that says whatever you type.
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Fake Voices
Bend a synthetic voice’s pitch and speed, then debate the ethics.
Intermediate
Once you know the blocks editor. Generative AI, maps, and the camera.
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GenAI Digital Doodle
Have AI paint a background, then draw on top of it.
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Emergency App
Share your location, a photo, and a recorded message fast.
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GenAI Vision Aid
Snap a photo and have AI describe it out loud.
Advanced
Machine learning, saved data, and apps that talk to each other.
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PICaboo
Train an image classifier on your face for a peekaboo game.
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ToDo List App
Add and remove tasks, bullet-journal style.
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CloudDB Chat App
Chat with friends on other phones through the cloud.
Rather watch than read? Video tutorials on our YouTube channel →
News & Events
Blocks, AI, and Access: App Inventor at the 2026 Blockly Summit
Can blocks serve as powerful abstractions in the era of AI-assisted coding? How can we increase the accessibility of programming for people with disabilities or who may have limited connectivity?
Building Sakhi: Preserving Community Wisdom Through MIT App Inventor
Over the summer, I was volunteering with Maitri, a community that supports first-generation girls and young women from low-income backgrounds as they navigate school, college, and early work. As I spent more time listening to the girls there, I began noticing a pattern...
2026 Global Appathon Winners Announced
2,176 participants from 141 countries and regions joined the Global Appathon to create mobile apps that address real-world challenges through the lens of the United Nations Sustainable Development Goals.
Coding, AI and Pie: Technovation Girls Workshop at MIT
March 14, 2026 — This year we celebrated the Pi Day (3/14) by hosting 20 middle- and high-school students from the greater Boston area participating in the Technovation Challenge 2026.