Compare software

Session vs Molly: catalog facts
Session	Molly
Free Free and open source under the GPL 3.0, run by the Session Technology Foundation.	Free Free and open source; donations via Open Collective
Windows, macOS, Linux, Android, iOS	Android
No phone number or email needed; the account is a random ID Onion routing hides your address from recipients and from the network	Encrypts the local app database with a user passphrase Supports UnifiedPush notifications without Google services
Losing your recovery phrase means losing the account with no reset Delivery can be slower than a centralised messenger	Android only Registration uses a phone number able to receive SMS or calls, or linking as a Signal linked device
Downloadable app	Downloadable app
Open source	Open source
License: GPL-3.0	License: AGPL-3.0-only
No account needed	Account needed
Works offline	Needs internet
Official website Full listing and sources Checked September 21, 2026	Official website Full listing and sources Checked September 20, 2026

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