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Open source Android messaging app that does RCS? (lemmy.one)

submitted 2 days ago by StorageB@lemmy.one to c/foss@beehaw.org

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I would love to replace the official Google messaging app I can't find an app that does RCS messaging. I need to be able to text between someone with an iPhone if that matters. Any suggestions?

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[–] mrnobody@reddthat.com 5 points 2 days ago* (last edited 2 days ago) (1 children)

Why isn't anyone recommending Signal? That's also using RCS, no? Or maybe just E2EE?

Edit: nvm, it's its own protocol for E2EE. probably better that way anyway. I've got several group chats that all use RCS, but that sounds like it's TLS encryption and likely not encrypted on the servers where it could still be carrier accessed. I'll have to look into it more

[–] GreenCrunch@piefed.blahaj.zone 7 points 2 days ago

Worse, RCS isn't always E2EE. After Apple begrudgingly added it to iMessage, they've made sure that iPhones don't support its encryption, and I don't think they display reactions and such properly. Meaning a group chat with a single iPhone in it can't be encrypted.

That and the annoying dependence on carrier and proprietary software support - even with google messenger I've had RCS just give up sometimes and go to SMS only.

At this point, using an actual E2EE messaging system like Signal makes a lot more sense.