Compare software

Night Drop vs Session: catalog facts
Night Drop	Session
Free Free and open source under the AGPL-3.0 licence.	Free Free and open source under the GPL 3.0, run by the Session Technology Foundation.
Android	Windows, macOS, Linux, Android, iOS
No phone number, email or account; identity is a local keypair End-to-end encrypted messages sent peer to peer over Tor	No phone number or email needed; the account is a random ID Onion routing hides your address from recipients and from the network
One-to-one chats only, no groups New project with a small user base	Losing your recovery phrase means losing the account with no reset Delivery can be slower than a centralised messenger
Downloadable app	Downloadable app
Open source	Open source
License: AGPL-3.0-or-later	License: GPL-3.0
No account needed	No account needed
Not stated if it works offline	Works offline
Official website Full listing and sources Checked October 2, 2026	Official website Full listing and sources Checked September 21, 2026

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