ZeroTwo for Android is on Google Play. Open its listing on your phone, tap Install, then sign in with the account you use on the web or desktop.
Before you install
- Your phone needs Android 12 or newer.
- The app is named ZeroTwo and its package name is
ai.zerotwo.android. The package name is theidin the Google Play address of the listing.
Install ZeroTwo
- On your phone, open the ZeroTwo listing on Google Play. You can also start from the ZeroTwo download page at zerotwo.ai/download: under "Download ZeroTwo for mobile", choose Android. On a wide screen the page also shows a QR code you can scan with your phone's camera.
- Tap Install.
- When it finishes, open ZeroTwo.

If you already use ZeroTwo in a browser, the sidebar footer of the web app has a monitor icon named Get apps. Its menu has Get Mobile App, which opens the same download page. The icon does not appear in the desktop app.
Sign in
ZeroTwo asks you to sign in the first time you open it. Choose Continue with Google, Continue with Apple or Continue with Microsoft; choose Continue with phone to get a code by text message; or type your email address and tap Continue to get a magic link. Signing in with the same account gives you the same conversations on the web, desktop and mobile apps.
For details, see How do I sign in to the ZeroTwo Android app with Microsoft? and Do I need a specific browser to sign in to ZeroTwo on Android?