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Threema
threema · v1.2.50
6
8.0
End-to-end encrypted instant messaging application
brew install --cask threema 36
30-day installs
107
90-day installs
489
365-day installs
Install trend
Trust Score 6/10
✓ Open source (AGPL-3.0) +3
✗ Active development +0
✓ Licensed +1
✗ No auto-updates +0
✓ Not deprecated +1
✓ Established (>1yr) +1
✗ Low installs +0
Review
Mar 10, 2026Threema is an end-to-end encrypted instant messaging app designed for privacy-conscious users, offering strong security features and cross-platform support. It benefits activists, journalists, and anyone prioritizing data protection.
Threema provides end-to-end encrypted instant messaging services.
Maturity: The project shows active development with recent commits and a strong open-source community, though the GitHub repo focuses on Android.
Community: Threema has significant community interest, as evidenced by multiple Hacker News mentions discussing its security and open-source nature. However, there are no Reddit mentions.
Pros
- + Strong end-to-end encryption for secure communication
- + Open-source with AGPL-3.0 license, fostering trust and transparency
- + Cross-platform support enhancing usability
Cons
- - Auto-updates are disabled, potentially affecting security
- - GitHub repository is for Android, not macOS, raising questions about macOS app maintenance
Community Mentions
hackernews
hackernews
hackernews
Dec 2020 Threema apps are Open Source
hackernews
Sep 2020 Threema Goes Open Source
hackernews
Jan 2019 Threema – Seriously secure messaging
Positive sentiment Negative sentiment Neutral / unknown