Company

Delta Chat

End-to-end encryption
All messages end-to-end encrypted by default, including all attachments and attachment metadata such as filenames; group and contact metadata end-to-end encrypted and stored on end-user devices only; unencrypted messaging only possible if a classic email server is configured as relay
Headquarters
Germany
Founded
2019
Jurisdiction
DE
Legal entity
merlinux GmbH
Logging policy
No personal data or messages collected; relays delete messages after delivery, typically within weeks; optional anonymous weekly statistics on Android only with consent
Free plan limits
Free and open source with no advertising or paid tier; donations fund development

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