Threema
Swiss encrypted messenger, no phone number needed. One-time purchase, no subscription.
Description
Threema is a Swiss encrypted messenger that doesn't ask for your phone number. You create a random ID, and that's it. The app is paid (one-time purchase, no subscription) and independently audited. Popular in Switzerland, Germany and Austria. Less widespread than Signal elsewhere, but the no-phone-number model appeals to demanding users.
Strengths
- No phone number required to register
- Swiss company, strong privacy laws
- One-time purchase, no subscription
- Independently audited
Limitations
- Paid app (one-time purchase)
- Smaller user base than Signal
Recommended for
- Users who don't want to share their phone number
- Swiss or European users wanting a local alternative
Compared to alternatives
Threema doesn't require a phone number (maximum anonymity). Signal is free and more widespread. Element/Matrix is decentralized and self-hostable.