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Test your mobile app on real devices by downloading installable APK (Android Package) files for Android. Rocket handles the build process automatically, so you get device-ready files without setting up build environments.You will need:
  • A mobile project in Rocket
  • An Android test device or emulator (iOS support is coming soon)
  • A paid Rocket plan (app downloads are not available on the free tier)

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Build for Android

1

Open the Launch menu

From your project, click Launch in the top-right corner. A popup appears with Android and iOS options under Install on Phone.
Rocket project dashboard showing the Launch button in the top-right corner.Rocket project dashboard showing the Launch button in the top-right corner.
2

Start the Android build

Select Android and click Build.
Android build option selected with Build button visible.
3

Track the build progress

A progress indicator shows the build status. If the build takes more than a minute, Rocket will email you a download link when it is ready.
Progress indicator during Android app build with message about email notification.
4

Download the APK

When the build finishes, the Download button becomes active. Click it to download the .apk file to your computer.
Active Download button available after successful Android build.
To test the latest changes later, click Build new to trigger a fresh build. You can also re-download a previously generated build from the same popup.

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If the build fails

If your build fails, you will see an error message with a Rebuild option. You will also receive an email notification.
Build failed message with Rebuild button shown.
Common causes of build failures:
  • Version mismatch in dependencies
  • Unsupported or broken packages
  • Invalid project configurations
  • Errors in your code
  • Poor network connection during build
Fix any project errors shown in your editor, confirm you have a stable internet connection, and click Rebuild. If it fails three times in a row, contact support@rocket.new.

Got your APK downloaded? Learn how to install it on your Android device.

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iOS (.ipa)

iOS builds are not yet available. When supported, you will be able to generate and download IPA files to test on iPhones and iPads.