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Dib2Qm

Messenger for secured chats and groups (end-to-end encrypted)
New in version 0.24.30
- Deprecated.
- Please do not use this app any longer, unless you have a very specific need.
- If so, please get in touch with gxworks at mail . de.
- Otherwise, use such apps as deltaChat, SimpleX etc.
- (Why? This app was a proof-of-concept that turned out to be useful ...)
- (... useful - as long as no other similar app provided for those needs)
- (... which is, fortunately, no longer the case)
Dib2Qm (aka Dibdib Messenger)

Messenger for secured chats and groups (end-to-end encrypted).

Dib2Qm was (!) a messenger that works via e-mail servers, end-to-end encrypted.

- Deprecated.
- Please do not use this app any longer, unless you have a very specific need.
- If so, please get in touch with gxworks at mail . de.
- Otherwise, use such apps as deltaChat, SimpleX etc.
- (Why? This app was a proof-of-concept that turned out to be useful ...)
- (... useful - as long as no other similar app provided for those needs)
- (... which is, fortunately, no longer the case)

Versions

Although APK downloads are available below to give you the choice, you should be aware that by installing that way you will not receive update notifications and it's a less secure way to download. We recommend that you install the F-Droid client and use that.

Download F-Droid
  • Version 0.24.30 (2430) suggested Added on Dec 02, 2025

    This version requires Android 5.0 or newer.

    It is built and signed by F-Droid, and guaranteed to correspond to this source tarball.

    Permissions

    Download APK 3.7 MiB PGP Signature | Build Log

  • New in version 0.24.28
    - Transitional version, not intended for new installations.
    - Use this only if needed and, as far as possible, only as update.
    - Necessary changes have to be delayed, unfortunately.
  • Version 0.24.28 (2428) - Added on Mar 23, 2025

    This version requires Android 5.0 or newer.

    It is built and signed by F-Droid, and guaranteed to correspond to this source tarball.

    Permissions

    Download APK 3.7 MiB PGP Signature | Build Log

  • New in version 0.24.22
    - Experimental (!) version with transitional appearance -- not nice :-( ...
    - ... not nice, but it works on newer versions of Android, and also on PCs.
    - Cmp. gitlab.com/gxworks/dib2qm !
    - If you are not sure, keep using the former version.
    - Anyway, do make use of the backup function for saving your chats.
  • Version 0.24.22 (2422) - Added on Jun 12, 2024

    This version requires Android 5.0 or newer.

    It is built and signed by F-Droid, and guaranteed to correspond to this source tarball.

    Permissions

    Download APK 3.7 MiB PGP Signature | Build Log