There is a new version online, that works without Google Play Services, for GrapheneOS, CalyxOS, /e/OS or any phone with no Google at all. Notifications use UnifiedPush instead of Firebase Cloud Messaging, and it is available from my own F-Droid repository, you can find all the instructions here: https://www.mindtheclub.com/fdroid.html

Disable Google Play mandatory app, please. I can’t use the app because of it. I don’t have a Google account. I use Aurora/F-Droid/Uptodown/Aptoide.

It should work. Install it with Aurora Store and run microG for the push notifications, that is all the app needs from Google. There are 2 limits right now, the QR scanner will not work, so ask your contact to send you their invite link instead, also you cannot subscribe without Play Billing, so you get the 30 day trial and then you are stuck. I am currently looking at both those limitations.

Please try it out, it’s free for 30 days, I would love to hear some feedback

Thank You!

Honest answer:

Briar and Jami each do one half of what I wanted, and I tried to do both.

Briar works with no internet at all, over Bluetooth, which is genuinely its best feature. But it has no voice or video calls, and no backup, so if your phone dies your account and your history are gone.

It also went into maintenance mode in July, (I guess funding problems).

Jami has excellent calls and runs on everything. But there is no Bluetooth transport

MindTheClub does both.

Also Jami has recently declared funding problems, I run a subscription model, so the App pays for itself.

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You got it right. Messages are sent as soon as both the devices are online. The retry pipeline runs on Android’s WorkManager, which cooperates with Doze and App Standby instead of fighting them, so the app doesn’t sit in a tight loop draining battery while waiting. Testing with friends and family hasn’t shown any battery drain so far, but honestly that’s a small sample, maybe a dozen devices total, and friends and family are always a little bit biased. That’s exactly why I’ve gone to Open Testing on Google Play. I need real people, on real networks, on real battery profiles, to find the cases I can’t reproduce alone. If you (or anyone reading) wants to poke at it, that’s the most useful thing you could do for the project right now.

Discovery is through standard webRTC signalling done using Cloudflare, then all the user messages are sent peer to peer, no server in the middle. I have used AI mainly to troubleshoot and correct bugs.

Looking forward to your comments!

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I agree, is actually quite high level, describing the main architecture and functionality`. What I intend to do, once the code is fully debugged, is to make my GitHub public, and upload a more detailed technical doc there. I thought not to make a public landing page, that targets a broader audience, too technical. In the meantime I’m happy to respond to any kind of technical question.