Why can't I install Fastmail?

The installation of Fastmail may fail because of the lack of device storage, poor network connection, or the compatibility of your Android device. Therefore, please check the minimum requirements first to make sure Fastmail is compatible with your phone.

How to check if Fastmail is safe to download?

Fastmail is safe to download on APKPure, as it has a trusted and verified digital signature from its developer.

How to download Fastmail old versions?

APKPure provides the latest version and all the older versions of Fastmail. You can download any version you want from here: All Versions of Fastmail

What's the file size of Fastmail?

Fastmail takes up around 6.8 MB of storage. It's recommended to download APKPure App to install Fastmail successfully on your mobile device with faster speed.

Fastmail

8K+Everyone

Fastmail Pty Ltd
Jul 13, 2026

Trusted App

What's New in the Latest Version 4.19.0

Jul 13, 2026

- Fixed app failing to restore last URL in some cases
- Fixed security key sign-in on GrapheneOS and other sandboxed Google Play Services setups

APK Info

Package Name
com.fastmail.app
File Format
XAPK
Android OS
Android 8.0+ (Oreo, API 26)
Architecture
arm64-v8a
Content Rating
Everyone
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Signature
3ac6cdf798cc034ebc098f416bbf8f5d0e07cf3c
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Package Name
com.fastmail.app
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