Threema The European alternative to WhatsApp / Signal
Open SourceMessenger without mandatory phone number registration from Switzerland
Switzerland E-Mail & 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 - among the strongest in the world
- No CLOUD Act, no access by US authorities
- Funded through user contributions, not advertising
- No data sharing with third parties
Pricing
One-time 4.99 € · Threema Work from 2.90 €/user/month
Try Threema
Messenger without mandatory phone number registration from Switzerland
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