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Olvid vs SimpleX Chat: catalog facts
Olvid	SimpleX Chat
Free The homepage presents Olvid as free messaging for everyone and does not list prices.	Free Free and open source under the AGPL 3.0. The company is funded by investment and…
Windows, macOS, Linux, Android, iOS	Windows, macOS, Linux, Android, iOS, Command line
No phone number, email or personal details needed to use it Never requests access to the address book	No user identifier of any kind, so conversations cannot be correlated by account Double ratchet encryption with an additional layer for the relay servers
Contacts must also install Olvid to chat with you Pricing and licensing details are not stated on the homepage	Connecting means exchanging a link or QR code in person or elsewhere No contact list means a lost device is a lost set of conversations unless backed up
Downloadable app	Downloadable app
Closed source	Open source
License not stated	License: AGPL-3.0
Not stated if an account is needed	No account needed
Not stated if it works offline	Works offline
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked September 21, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.