Threema The European alternative to WhatsApp / Signal
Open SourceMessenger without mandatory phone number registration from Switzerland
Switzerland Messaging instead of WhatsApp / Signal
About Threema
Open-source messenger that operates without a phone number and without storing metadata. Unlike WhatsApp, the software does not store contact lists or communication metadata and is subject to Swiss data protection standards.
Highlights
- ✓ No phone number required, fully anonymous
- ✓ End-to-end encryption for all messages
- ✓ No metadata storage
- ✓ Open source since 2020
- ✓ Threema Work available for organisations
Why European?
- → Swiss data protection law
- → No CLOUD Act, no access by US authorities
- → Funded through user contributions, not advertising
- → No data sharing with third parties
Pricing
One-time €6 · Threema Work from €3/user/mo
Try Threema
Messenger without mandatory phone number registration from Switzerland
Visit Threema Website → 
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