Mobile apps
Sign-up emails, tested in the app they open.
On a phone, the code has to get from an email into your app, and the link has to open your app instead of a browser. These guides cover each platform: what to set up, how to test it by hand in the simulator or emulator, and how to automate it.
Test sign-up emails in a SwiftUI or UIKit app
Codes and Universal Links in the iOS simulator, by hand or in XCUITest, and the cold-start link bug to check for.
Read the guide →Test sign-up emails in an Android app (Kotlin)
Codes and App Links on the emulator, by hand or in Espresso, and why a link opens Chrome instead of your app.
Read the guide →Test sign-up emails and magic links in React Native and Expo
exp:// and myapp:// links from Expo Go and development builds, opened in the simulator or from Detox.
Read the guide →Test sign-up emails in a Flutter app
Codes in integration tests, deep links on both platforms, and Supabase or Firebase redirects that open the app.
Read the guide →Test Firebase email-link sign-in on iOS and Android
The setup after Dynamic Links shut down, and how to test the link opening the app on the same and another device.
Read the guide →
Writing UI tests? The developer guides have a small helper for Maestro, XCUITest, Espresso, Flutter, Detox and Appium.
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