Signal
7.0#9 in encrypted messaging appsFree planFree planAndroidiOSLinuxmacOS
VisitSignal vs SimpleX Chat
SimpleX Chat
8.0#1 in encrypted messaging appsFree planFree planAndroidiOSAPILinux
VisitWhat both publish
| Fact | Signal | SimpleX Chat |
|---|---|---|
| Encryption | Signal says messages and calls are always end-to-end encrypted and cannot be accessed by Signal. | The network uses end-to-end encryption with continuous post-quantum key exchange for messages and metadata. |
| Funding | Signal says it is an independent 501(c)(3) nonprofit supported by grants and donations. | SimpleX announced a $1.3 million pre-seed round led by Jack Dorsey with participation from Asymmetric Capital Partners in August 2024. |
| Headquarters | Mountain View, California, United States | London, United Kingdom |
Signal plans
- SignalFree
SimpleX Chat plans
- FreeFree
- SimpleX ChatFree
Pick Signal if…
Signal suits people seeking encrypted messaging and internet calls across mobile and desktop platforms. Desktop users should be prepared to set up an account on a phone first.
Pick SimpleX Chat if…
It suits people seeking messaging without network-assigned profile identifiers, with encrypted messaging, calls, and optional self-hosted servers. Developers can use its protocol SDKs for bots and integrations.