Encrypted communication for mere mortals 
 (superheroes welcome, too)

Bitmask for Android

NOTE: Bitmask for Android does not yet support encrypted email.

Install from Google Play

You can search for “Bitmask” in the Google Play store or use this link:

Install for Android

Download app

Alternately, you can download the Bitmask app directly from this website. You will need to enabled the option Settings > Security > Unknown Sources on your device for this method to work.

Stable version

Download for Android

Beta version

You can install Bitmask Beta next to the stable release on the same device.

Download for Android

ATTENTION: Please verify the signature!

Install from F-Droid

Stable version

Stable release versions are now also available on F-Droid.
F-Droid is an alternative app store for open-source and privacy-aware Android apps.

Beta version

You can get Bitmask Beta from IzzySoft’s F-Droid repository.
A short manual how to add the repository to your F-Droid app can be found on our help page.

Download other versions

If you want to install an old version of Bitmask, you can browse all releases.

If you want to see the latest features and bug fixes and would like to contribute to Bitmask by testing the app, you can join Google’s Beta-Channel for Bitmask. The pre-releases can be found here.

If you find any bugs you can file a ticket on our GitLab platform. You can either create an account on or simply login with your or account to create new tickets.

Finally you can also download the latest build artifact from our CI. This version is not signed and therefore you can not verify the integrity and security of that app! This is only an option for curious testers and it’s not ment for regular use.