Delta Chat
Communication
1 Million+ installs
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- CategoryCommunication
- PlatformAndroid
- Developermerlinux
- In-app PurchasesNo
- Installs1 Million+
- Updated2026-09-25
- Size58 M
- Version2.62.0
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Editor's Review
Delta Chat comes from merlinux and is listed under the Communication category on Google Play. Its store tagline reads: "Decentralized private messenger with chat-shared tools and games." It has passed 1 Million+ installs, and users rate it 4.4 out of 5 across 3.1K ratings. The latest version (2.62.0) was released on 2026-09-25, so the app is still being actively updated. Good to know: it needs about 58 MB of storage.
How To Use?
Anonymous. Instant on-boarding without a phone number, e-mail or other private data
Flexible. Supports multiple chat profiles and is easy to setup on multiple devices
Extensible. Add tools like shopping lists, calendars or gaming apps to any chat
Reliable. Works under bad and adversarial network conditions
Secure. Audited End-to-End encryption safe against network and server attacks
Google Play
Description
Delta Chat is a reliable decentralized instant messenger that is easy and fun to use for friends, family, groups and organizations. Delta Chat is developed by a dedicated FOSS contributor community that jointly releases refinements and new features several times a year, across many stores and platforms world-wide.
Features at a glance:
• Anonymous. Instant on-boarding without a phone number, e-mail or other private data.
• Flexible. Supports multiple chat profiles and is easy to setup on multiple devices.
• Extensible. Add tools like shopping lists, calendars or gaming apps to any chat.
• Reliable. Works under bad and adversarial network conditions.
• Secure. Audited End-to-End encryption safe against network and server attacks.
• Sovereign. Can be run with your own e-mail address or server.
• FOSS. Fully Open Source/Free Software, built on Internet Standards.
• Audio and video calls supported! stay close to family and friends even when traveling.
Screenshots
4.4