# Signal vs Threema

Source: https://listme.name/compare/signal-vs-threema
Framed by the ranking: https://listme.name/best/messaging-apps

| | Signal | Threema |
|---|---|---|
| Score | 92.5 | 80.5 |
| Rank | #1 | #6 |
| Price | Free | One-time purchase |
| Best for | Private one-to-one and group messaging | Privacy-focused messaging with a one-time fee |
| End-to-end encrypted by default | Yes | Yes |

Encrypts chats and calls by default, publishes its client apps under AGPL-3.0 and runs on Linux, Windows and Mac. Reaching a contact means they must install it, so its reach is smaller than WhatsApp's. Encrypts chats and calls by default, can be used without personal data and publishes its Android code under AGPL-3.0. The Private app costs money, so it reaches fewer people than the free mass-reach apps.