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Does Signal still fore you to use a phone number? This is a huge deal breaker for a privacy concerned messenger. That's why I prefer using Threema.

discuss

brobinson|5 years ago

Threema is not open source yet so I wouldn't use it for that reason. I did like their security whitepaper, though, and they do have some impressive clients (Mercedes-Benz, etc.).

soziawa|5 years ago

Additionally they have regular audits [1]. Open source only without any actual thorough reviews doesn't cut it in my opinion.

[1]: https://threema.ch/en/blog/posts/audit-2020-en

Vinnl|5 years ago

Yep, they're still working on that.

Asraelite|5 years ago

It seems that Threema charges for the app instead of requiring a phone number. Do they offer anonymous payment options like cryptocurrency or cash by mail?

I'm not sure how data protection works with Google Play and App Store payments, but I feel like this could be a potential privacy problem.

TimWolla|5 years ago

You can buy Threema from within their own shop: https://shop.threema.ch/. They support Bitcoin.