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Delta Chat for Android vs SimpleX Chat

The same facts for both, read from GitHub every night, and the relation a person reviewed.

Delta Chat for AndroidSimpleX Chat
LanguageJavaHaskell
LicenceGPL-3.0AGPL-3.0
Stars1.8k20k
Latestv2.62.0v7.0.3
Last push2026-10-062026-10-06
Release cadenceabout 13 days between releasestoo few releases
Active contributors15 commit authors on the default branch in the last 90 days6 commit authors on the default branch in the last 90 days
Flagsnonenone

How they relate

  • Both replace WhatsApp. Alternatives to WhatsApp →

    PartialDelta Chat for AndroidEncrypted chats and groups carried over email, through any mail account or a chatmail relay.

    Full replacementSimpleX ChatEncrypted messages, groups and calls with no phone number or user identifier, over relays you can host.