X2Chat vs Session
Both are end-to-end encrypted messengers. The differences are in what an account requires, what is encrypted and what you can verify.
Written by the X2Chat team. Facts about other apps are taken from their public documentation as of September 2026; tell us at privacy@x2chat.com if something is outdated.
| X2Chat | Session |
|---|
| Phone number required | No | No |
|---|
| E2E messages | Yes | Yes |
|---|
| E2E voice/video calls | Yes | Beta / limited |
|---|
| Forward secrecy | No | Partial |
|---|
| Open source | No | Yes |
|---|
| Bots / mini-apps | Yes | No |
|---|
| Onion routing | No | Yes |
|---|
| Multi-device | Yes | Yes |
|---|
Where X2Chat is ahead
- Reliable encrypted voice and video calls, including on weak networks (own QUIC transport for audio).
- Bots, mini-apps, message translation.
- Invite links and group links.
Where X2Chat is behind
- Session routes through an onion network and hides metadata; X2Chat servers see who talks to whom.
- Session is open source; X2Chat is closed for now.
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