---
title: "Test sign-up emails in iOS, Android and Flutter apps"
description: "Test verification codes, magic links and email-link sign-in in iOS, Android, React Native, Expo and Flutter apps, by hand or in UI tests."
url: https://proxymail.qa/mobile
---

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 appCodes and Universal Links in the iOS simulator, by hand or in XCUITest, and the cold-start link bug to check for.Read the guide →](https://proxymail.qa/mobile/ios-sign-up-testing)
- [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 →](https://proxymail.qa/mobile/android-sign-up-testing)
- [Test sign-up emails and magic links in React Native and Expoexp:// and myapp:// links from Expo Go and development builds, opened in the simulator or from Detox.Read the guide →](https://proxymail.qa/mobile/react-native-expo)
- [Test sign-up emails in a Flutter appCodes in integration tests, deep links on both platforms, and Supabase or Firebase redirects that open the app.Read the guide →](https://proxymail.qa/mobile/flutter)
- [Test Firebase email-link sign-in on iOS and AndroidThe setup after Dynamic Links shut down, and how to test the link opening the app on the same and another device.Read the guide →](https://proxymail.qa/mobile/firebase-email-link)

[See every email testing problem we solve](https://proxymail.qa/solve)

Writing UI tests? The [developer guides](https://proxymail.qa/docs/mobile) have a small helper for Maestro, XCUITest, Espresso, Flutter, Detox and Appium.

## Your next sign-up test is one click away.

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[Create a free account](https://app.proxymail.qa/?mode=signup)