The messenger with the largest range in the world.
Free, safe, email compatible.
There is no Delta Chat-server.
The app only uses your email-server.
Push-messages in seconds.
Unlimited chats, images, videos, audio messages and more. Multi-client capable.
Delta Chat ist free forever.
OpenSource. No ads. No subscription. No vendor lock-in.
Encrypted with all common algorithms. Messages stay on your servers.
Delta Chat is safe for business use, compatible and standards-based.