# Threema for iOS (open-source messaging app)

> Threema for iOS is a free, open-source messaging app for iOS. This repository contains the complete source code of Threema for iOS. It has 420 GitHub stars and is released under the AGPL-3.0 license, and you can install it from the App Store.

This repository contains the complete source code of Threema for iOS. To report bugs and request new features, please contact the Threema support team.

## Key facts

| Fact | Value |
|---|---|
| Repository | https://github.com/threema-ch/threema-ios |
| Platforms | iOS |
| Built with | Swift |
| GitHub stars | 420 |
| License | AGPL-3.0 (open source) |
| F-Droid | not listed |
| F-Droid anti-features | n/a |
| Google Play | not linked |
| App Store | https://apps.apple.com/app/id578665578 |
| Website | https://threema.ch/open-source/ |
| Official | yes (published by the organization behind the product) |
| Category | Messaging & chat |
| Latest release | none on GitHub |
| Last commit | Oct 5, 2026 |

## Similar mobile apps

- [Jitsi Meet](https://appsgit.com/mobile-apps/jitsi-meet): Instant video conferences efficiently adapting to your scale. (30,053 stars, Apache-2.0)
- [Telegram for Android](https://appsgit.com/mobile-apps/telegram-for-android): Telegram is a messaging app with a focus on speed and security. (30,029 stars, GPL-2.0, official)
- [Signal for Android](https://appsgit.com/mobile-apps/signal-for-android): A private messenger for Android. (29,425 stars, AGPL-3.0, official)
- [SimpleX Chat](https://appsgit.com/mobile-apps/simplex-chat): SimpleX Chat - e2e encrypted messenger without any user IDs - private by design! (19,533 stars, AGPL-3.0-or-later, official)
- [Signal for iOS](https://appsgit.com/mobile-apps/signal-for-ios): Signal is a free and open source messaging app for simple private communication with friends. (12,264 stars, AGPL-3.0, official)
- [Element Classic](https://appsgit.com/mobile-apps/element-classic): Previous generation Element. (3,731 stars, AGPL-3.0-or-later, official)

---

Canonical page: https://appsgit.com/mobile-apps/threema-for-ios
Source: appsgit (https://appsgit.com), the app store for github. Data from the GitHub API, refreshed nightly.
Machine access: JSON API https://appsgit.com/api/v1/apps (OpenAPI: https://appsgit.com/openapi.json), MCP server https://mcp.appsgit.com/mcp, full index https://appsgit.com/llms-full.txt.