SIGNAL PROTOCOL · END-TO-END ENCRYPTED
Encrypted chat, calls, and meetings in one app. Messages are sealed on your device with the Signal Protocol — the server only ever relays ciphertext.
FREE ON ANDROID + IOS · NATIVE MACOS + WINDOWS

01SECURITY
Encrypted on your device. Decrypted on theirs. Nothing readable in between — that is the whole design.
- ENCRYPTION
- Signal Protocol, end-to-end
- CALLS
- 1:1 + group voice & video over WebRTC
- VISIBILITY
- Last seen / online / photo: Everyone · Contacts · Nobody
- BLOCKING
- Per-contact blocklist
- DATA REGIONS
- Germany · USA/Canada · Singapore · India
02CAPABILITIES
MESSAGING
Sealed chat.
Reactions, pins, stars, replies, read receipts. Global search. A media gallery per chat.

CALLS
Voice + video. 1:1 or group.
WebRTC. Hold, audio routing, a floating mini-call. Full-screen incoming — even when the app is closed.

LIVE LOCATION
Auto-expiring.
Stream your position for 15 min, 1 h, or 8 h. Then it stops itself.
TRANSLATION
Inline. Any chat.
Translate any message in place. Per-chat auto-translate.
AI
Built in.
An assistant chat beside your chats. Transcripts and summaries for recorded meetings.
VOICE NOTES
Press. Speak. Send.
Waveform playback in the conversation.
03MEETINGS · BIGBLUEBUTTON
Start instantly. Join by code or QR. Keep rooms open in tabs. Schedule it and the invite lands in chat with one-tap join. Recordings come back with transcripts and AI summaries.

BUILT BY BIGGERBLUEBUTTON
UPTIME
DATA REGIONS
HEADQUARTERS
Managed BigBlueButton hosting. Datacenters: Germany · USA/Canada · Singapore · India.
04PLATFORMS
Your phone is the root device. Link desktop and tablet with a QR scan — every conversation syncs.
- ANDROID
- Free on Google Play
- IOS
- Free on the App Store
- MACOS / WINDOWS
- Native desktop apps
- TABLET
- Two-pane layout
- LOCALES
- 9+ languages, RTL included
- THEMES
- Light / Dark / Auto








