Learn to build Android apps in hours.

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App building made easy

App Inventor is a visual, blocks language for building Android Apps.


App Inventor is being used in classrooms all over the world to broaden participation in computer science.


Coding is like plugging puzzle pieces together-- you can learn within hours.


Build games, social apps, quizzes, and other apps for you and your friends.

Learn how to build apps

Choose a course to start mastering App Inventor

Course In A Box

Videos, Quizzes, and more.

How do you?

Glossary of essential app building techniques.

Java Bridge

Learn how to code apps with Java.

What student's are saying

Checkout how Appinventor.org helped students learn to build mobile apps.

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What's new on App Inventor Blog?

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AppInventor.org Partners

Appinventor.org is a product of the University of San Francisco's Democratize Computing Lab and is funded by the NSF and WM Keck foundation.

AppInventor.org partners with but is a separate entity from MIT App Inventor. Our focus is providing materials for learning and teaching App Inventor, work made possible only through the efforts of the MIT team in developing and maintaining the App Inventor site.