Delta Chat

Delta Chat

Decentralized private messenger with chat-shared tools and games.

Email Internet Messaging

Screenshots

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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:

• Private. Instant on-boarding without a phone number or other private data.

• Friends & Family: Only chat with people you know. Unknown users cannot message or follow you without mutual consent.

• 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.

Versions

Version Date Size Requires Android Download
2.56.0 current
5d3da01742c65e0c…
2026-07-26 26 MB API 21
2.56.0
ee9fe76e7026177e…
2026-07-26 26 MB API 21
2.56.0
1bb491df8f9e2ae0…
2026-07-26 26 MB API 21
2.56.0
6c9f9cf8770ac783…
2026-07-26 23 MB API 21
2.53.0
44461f638c6ea432…
2026-06-20 27 MB API 21
2.53.0
410f553a42703f0d…
2026-06-20 26 MB API 21
2.53.0
1f44bebfd1f1d6b8…
2026-06-20 27 MB API 21
2.53.0
9523e8751c778d07…
2026-06-20 24 MB API 21
2.52.0
530f69cd9c754a4f…
2026-06-11 27 MB API 21
2.52.0
e12351b5579fd1b8…
2026-06-11 26 MB API 21

Permissions

What the app asks the system for. Android only grants sensitive access after you confirm it.

  • FOREGROUND_SERVICE_SPECIAL_USE
  • PhotosRead images from the media library.
  • VideosRead videos from the media library.
  • Read storageRead files on the device storage.
  • Write storageCreate and change files on the device storage.
  • NotificationsShow notifications.
  • CameraTake photos and videos.
  • BluetoothConnect to Bluetooth devices.
Show 26 more permissions
  • Bluetooth connectionConnect to paired Bluetooth devices.
  • Approximate locationDetermine the location via the network.
  • Precise locationDetermine the location via GPS.
  • MicrophoneRecord audio.
  • USE_FULL_SCREEN_INTENT
  • Audio settingsAdjust volume and audio output.
  • Run at startupStart automatically after the device is switched on.
  • VibrationControl the vibration alert.
  • Network stateCheck whether and how the device is connected.
  • Prevent sleepingKeep the device from going to sleep.
  • Internet accessSend and receive data over the internet.
  • INSTALL_SHORTCUT
  • launcher.permission.INSTALL_SHORTCUT
  • Wi-Fi stateRead information about the Wi-Fi connection.
  • RAISED_THREAD_PRIORITY
  • REQUEST_IGNORE_BATTERY_OPTIMIZATIONS
  • Foreground serviceKeep running in the background, visible in the status bar.
  • Install appsStart the installation of other apps.
  • FOREGROUND_SERVICE_DATA_SYNC
  • FOREGROUND_SERVICE_MEDIA_PLAYBACK
  • FOREGROUND_SERVICE_CAMERA
  • FOREGROUND_SERVICE_MICROPHONE
  • FOREGROUND_SERVICE_PHONE_CALL
  • FOREGROUND_SERVICE_LOCATION
  • MANAGE_OWN_CALLS
  • messenger.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION

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