Forked from Signal’s code and released in 2020, Session registers users without a phone number or email, routes messages through onion-style relays and keeps no message history on servers. Journalists, privacy advocates and crypto communities are its core users, and desktop clients sync by recovery phrase.
Within this atlas it appears in 9 markets: Germany, United Kingdom, France, Canada, Australia, Netherlands, Sweden, Switzerland, Ireland.
Key facts
- Developer
- Session Technology Foundation
- Launched
- 2020
- Platforms
- iOS · Android · Windows · macOS · Linux
- Category
- Messaging
- Official website
- session.im
Where it is used
9
Frequently asked questions
5 Q&AWhat is Session?
Session is a messaging app developed by Session Technology Foundation and launched in 2020. No-phone-number decentralised chat. Forked from Signal’s code and released in 2020, Session registers users without a phone number or email, routes messages through onion-style relays and keeps no message history on servers.
Who develops Session?
Session Technology Foundation. The product launched in 2020 and runs on iOS · Android · Windows · macOS · Linux.
In which countries is Session popular?
Within this atlas it appears in 9 markets: Germany, United Kingdom, France, Canada, Australia, Netherlands, Sweden, Switzerland, Ireland.
What is the official website of Session?
The official site is https://session.im.
What kind of app is Session?
It belongs to the messaging category, alongside 27 other apps in this index.
Sources
Updated 2026-11-12- DataReportal — Digital 2026
- ITU — Statistics
- Official product sites
World Sites & Apps. “What is Session? Developer, launch year and countries”. 2026. https://abcvv.com/a/session.html