Read and write encrypted e-mails

p≡p is a cyber security solution which protects the confidentiality and reliability of communications for citizens, for public offices and for enterprises. It provides end-to-end cryptography in all common crypto-standards through the app that you install on your phone.

p≡p for Android makes e-mail encryption easy on mobile devices for everyone by automatic and seamless integration of end-to-end encryption. Set it up with your existing e-mail address under a minute. Send and receive as many messages as you want without any restrictions on the number of devices the p≡p app runs on.

p≡p supports the user with advanced automation and is fully compatible with OpenPGP

  • it will automatically encrypt your e-mail and attachments, including pictures

  • it can ensure no one can intercept your perfectly encrypted e-mail

  • it is peer-to-peer and uses no central service

  • it works with all your existing e-mail account(s)

  • it can authenticate your communication partner and prevent identity theft

  • it offers security and privacy by default

p≡p is end-to-end and supports all commonly used Android devices.

p≡p is easy for your recipients too – depending on their security capabilities, they can exchange encrypted messages with you.

With p≡p, you don’t need a separate account, you can send secure messages to anyone anywhere, regardless of their email provider.

Just install the app and you can communicate in confidence with your peers.


Auch wenn Ihnen hier weiter unten die Möglichkeit gegeben wird, APKs direkt herunterzuladen, sollten Sie sich bewusst machen, dass Sie so keine Benachrichtigungen über Aktualisierungen erhalten werden und diese Art des Downloads weniger Sicherheit bietet. Wir empfehlen daher, dass Sie stattdessen die F-Droid-App installieren und sie dafür nutzen.

F-Droid herunterladen
  • Version 1.0.101rc1.withoutKeysync (2) - Hinzugefügt am 2018-06-20

    Diese Version benötigt Android 5.0 oder neuer.

    Sie ist von F-Droid hergestellt, signiert und ihre Übereinstimmung mit diesem Quelltext-Tarball wird garantiert.

    APK herunterladen 20 MiB PGP-Signatur

    • android.permission.RECEIVE_BOOT_COMPLETED
    • android.permission.READ_CONTACTS
    • android.permission.READ_SYNC_SETTINGS
    • android.permission.MANAGE_ACCOUNTS
    • android.permission.GET_ACCOUNTS
    • android.permission.USE_CREDENTIALS
    • android.permission.WRITE_CONTACTS
    • android.permission.ACCESS_NETWORK_STATE
    • android.permission.INTERNET
    • android.permission.VIBRATE
    • android.permission.WAKE_LOCK
    • android.permission.WRITE_EXTERNAL_STORAGE
    • android.permission.SYSTEM_ALERT_WINDOW
    • security.pEp.permission.READ_ATTACHMENT
    • security.pEp.permission.REMOTE_CONTROL
    • security.pEp.permission.READ_MESSAGES
    • security.pEp.permission.DELETE_MESSAGES
    • android.permission.READ_EXTERNAL_STORAGE