Threema The European alternative to WhatsApp / Signal

Open Source

Messenger without mandatory phone number registration from Switzerland

Threema Logo
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

Visit Threema Website →

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