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Threema vs Whereby

A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.

Threema compared with Whereby
Detail ThreemaWhereby logo Whereby
What it doesSecure instant messenger from Switzerland with GDPR-compliant messaging for privacy and data protection Secure video calls. Zero hassle
StageNot given Established
FoundedNot given Not given
Based inCH NO
Pricing modelFreemium Not given
PricingNot given Not given
Key features
  • End-to-end encrypted text messages
  • Voice and video calls
  • Group chats and distribution lists
  • File and media sharing
  • Desktop and web client
  • Group calls
  • Screen sharing on desktop
  • Polls
  • Contact verification via QR code
  • Availability status for work
  • Transcriptions
  • File sharing
  • Chat
  • Screen sharing
  • Virtual whiteboard
  • Custom branding
  • API integration
  • Permanent room links
What makes it different
  • No phone number or email required for anonymous communication
  • Zero-knowledge architecture ensuring only intended recipients access messages
  • Minimal metadata with messages deleted from servers after delivery
  • Swiss company with exclusive development and Swiss data centers
  • Open source code with verifiable security through audits
  • Privacy-first design built in Europe with GDPR and HIPAA compliance
  • Scalable infrastructure with high quality video in low bandwidth scenarios
  • User-friendly design built with human experience in mind
  • Dedicated support team at no extra cost
Free planNot given Not given
Open sourceNot given Not given
PlatformsNot given Not given
Public APINot given Not given
Community votes00
DR (Domain Rating by Ahrefs)77 −1 (down) since last check82 +1 (up) since last check
Trust Flow (Majestic)4536
Citation Flow (Majestic)5549
Referring domains (Majestic)54518031

4 details filled in for both companies.

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