Threema alternatives
2 tools that do a similar job to Threema, compared on the things that usually decide the switch: price, free plan, API and platforms.
- 1S
Free end-to-end encrypted messenger for chats, calls and groups
Free planNo APIMobile appDesktop app - 2E

Encrypted Matrix-based messaging and collaboration for teams and governments
Free planNo APIMobile appDesktop app
Side-by-side comparison
| Tool | Price | Free plan | API | Open source | Platforms | |
|---|---|---|---|---|---|---|
| T | From $3/mo | Web, Self-hosted | ||||
| S | Free | Android, iOS, Windows, macOS | vs Threema | |||
| E | Freemium | Web, iOS, Android, macOS | vs Threema |