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

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