Session

Switzerland Messaging & chat

An encrypted messenger that needs no phone number or email - you get a random Session ID instead. Messages are onion-routed through a decentralised network of nodes, and the project moved its legal home to Switzerland in 2024 for stronger privacy protection.

Quick facts

Headquarters Zug, Switzerland
Company Session Technology Foundation
Founded 2018
Ownership Non-profit
Infrastructure None
Data jurisdiction EFTA
Open source Full
GDPR Compliant
Pricing Free · from Free
Free tier Yes
Platforms iOS, Android, Desktop
Languages
ENDEFRESIT
62 · Mostly European
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Why does it score 62?

Legal jurisdiction
EFTA country HQ
25/30
Ownership & control
Non-profit ownership
25/25
Data sovereignty
Unknown / non-European infrastructure
0/30
Accountability & trust
Fully open source + GDPR
12/15
EuroPoints total
62/100
How we calculate EuroPoints →

See how they compare

Session
Signal
Olvid
EuroPoints
62 Mostly European
44 Not Very European
100 Certified European
Legal jurisdiction
EFTA country HQ25/30
HQ outside Europe0/30
EU member-state HQ30/30
Ownership & control
Non-profit ownership25/25
Non-profit ownership25/25
Independent ownership25/25
Data sovereignty
Unknown / non-European infrastructure0/30
Mixed infrastructure (−5 US jurisdiction)7/30
Own infrastructure30/30
Accountability & trust
Fully open source + GDPR12/15
Fully open source + GDPR12/15
Partially open source + GDPR10/15
Independence bonus
Bootstrapped, no outside investors5/5
Headquarters
Zug, Switzerland
Mountain View, United States
Paris, France
Founded
2018
2013
2019
Open source
Full
Full
Partial
Infrastructure
None
Mixed infrastructure
Own infrastructure
GDPR
Free tier
Pricing
Free · from Free
Free · from Free
Freemium · from Free
Platforms
iOS, Android, Desktop
iOS, Android, Desktop
iOS, Android, Desktop
Languages
en, de, fr, es, it
en, de, fr, es, it, pt, nl, ar, zh, ja, ko, ru
en, fr, de, es, it