otr.to vs SimpleX Chat

otr.to plans

No prices published.

SimpleX Chat plans

• FreeFree
• SimpleX ChatFree

Pick otr.to if…

You want what its maker publishes above — check its page for the details.

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.