nospeak

nospeak is a modern Nostr chat client

nospeak is a decentralized Nostr chat client for secure, private messaging. It is easy to
use but has state of the art end-to-end encryption without metadata leakage.

# Features

- **Decentralized Chat**: Uses Nostr relays without central servers
- **Private Messaging**: End-to-end encrypted conversations
- **Encrypted Media Upload**: Share images and videos in chat
- **Responsive Design**: Works seamlessly on desktop and mobile
- **Rich Text**: Support for markdown formatting and emojis

Anti-Features

This app has features you may not like. Learn more!

This app depends entirely on a certain instance of a network service

Rely on hardcoded Nostr relays

Author: psic4t
License: GNU General Public License v3.0 or later
Website
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Source Code
Build Metadata
Reproducibility Status

Versions

Although APK downloads are available below to give you the choice, you should be aware that by installing that way you will not receive update notifications and it's a less secure way to download. We recommend that you install the F-Droid client and use that.

Download F-Droid

Version v0.12.0 (120000) suggested Added on Feb 22, 2026

This version requires Android 7.0 or newer.

It is built and signed by F-Droid, and guaranteed to correspond to this source tarball.
Permissions
- access approximate location only in the foreground
  
  This app can get your approximate location from location services while the app is in use. Location services for your device must be turned on for the app to get location.
- access precise location only in the foreground
  
  This app can get your precise location from location services while the app is in use. Location services for your device must be turned on for the app to get location. This may increase battery usage.
- take pictures and videos
  
  This app can take pictures and record videos using the camera while the app is in use.
- run foreground service
  
  Allows the app to make use of foreground services.
- run foreground service with the type "dataSync"
  
  Allows the app to make use of foreground services with the type "dataSync"
- have full network access
  
  Allows the app to create network sockets and use custom network protocols. The browser and other applications provide means to send data to the internet, so this permission is not required to send data to the internet.
- show notifications
  
  Allows the app to show notifications
- read the contents of your shared storage
  
  Allows the app to read the contents of your shared storage.
- read audio files from shared storage
  
  Allows the app to read audio files from your shared storage.
- read image files from shared storage
  
  Allows the app to read image files from your shared storage.
- read video files from shared storage
  
  Allows the app to read video files from your shared storage.
- run at startup
  
  Allows the app to have itself started as soon as the system has finished booting. This can make it take longer to start the phone and allow the app to slow down the overall phone by always running.
- record audio
  
  This app can record audio using the microphone while the app is in use.
- ask to ignore battery optimizations
  
  Allows an app to ask for permission to ignore battery optimizations for that app.
- control vibration
  
  Allows the app to control the vibrator.
- prevent phone from sleeping
  
  Allows the app to prevent the phone from going to sleep.
- modify or delete the contents of your shared storage
  
  Allows the app to write the contents of your shared storage.
- com.nospeak.app.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION
Download APK 10 MiB PGP Signature | Build Log
Version v0.11.1 (110010) - Added on Feb 18, 2026

This version requires Android 7.0 or newer.

It is built and signed by F-Droid, and guaranteed to correspond to this source tarball.
Permissions
- access approximate location only in the foreground
  
  This app can get your approximate location from location services while the app is in use. Location services for your device must be turned on for the app to get location.
- access precise location only in the foreground
  
  This app can get your precise location from location services while the app is in use. Location services for your device must be turned on for the app to get location. This may increase battery usage.
- take pictures and videos
  
  This app can take pictures and record videos using the camera while the app is in use.
- run foreground service
  
  Allows the app to make use of foreground services.
- run foreground service with the type "dataSync"
  
  Allows the app to make use of foreground services with the type "dataSync"
- have full network access
  
  Allows the app to create network sockets and use custom network protocols. The browser and other applications provide means to send data to the internet, so this permission is not required to send data to the internet.
- show notifications
  
  Allows the app to show notifications
- read the contents of your shared storage
  
  Allows the app to read the contents of your shared storage.
- read audio files from shared storage
  
  Allows the app to read audio files from your shared storage.
- read image files from shared storage
  
  Allows the app to read image files from your shared storage.
- read video files from shared storage
  
  Allows the app to read video files from your shared storage.
- run at startup
  
  Allows the app to have itself started as soon as the system has finished booting. This can make it take longer to start the phone and allow the app to slow down the overall phone by always running.
- record audio
  
  This app can record audio using the microphone while the app is in use.
- ask to ignore battery optimizations
  
  Allows an app to ask for permission to ignore battery optimizations for that app.
- control vibration
  
  Allows the app to control the vibrator.
- prevent phone from sleeping
  
  Allows the app to prevent the phone from going to sleep.
- modify or delete the contents of your shared storage
  
  Allows the app to write the contents of your shared storage.
- com.nospeak.app.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION
Download APK 10 MiB PGP Signature | Build Log
Version v0.11.0 (110000) - Added on Feb 10, 2026

This version requires Android 7.0 or newer.

It is built and signed by F-Droid, and guaranteed to correspond to this source tarball.
Permissions
- access approximate location only in the foreground
  
  This app can get your approximate location from location services while the app is in use. Location services for your device must be turned on for the app to get location.
- access precise location only in the foreground
  
  This app can get your precise location from location services while the app is in use. Location services for your device must be turned on for the app to get location. This may increase battery usage.
- take pictures and videos
  
  This app can take pictures and record videos using the camera while the app is in use.
- run foreground service
  
  Allows the app to make use of foreground services.
- run foreground service with the type "dataSync"
  
  Allows the app to make use of foreground services with the type "dataSync"
- have full network access
  
  Allows the app to create network sockets and use custom network protocols. The browser and other applications provide means to send data to the internet, so this permission is not required to send data to the internet.
- show notifications
  
  Allows the app to show notifications
- read the contents of your shared storage
  
  Allows the app to read the contents of your shared storage.
- read audio files from shared storage
  
  Allows the app to read audio files from your shared storage.
- read image files from shared storage
  
  Allows the app to read image files from your shared storage.
- read video files from shared storage
  
  Allows the app to read video files from your shared storage.
- run at startup
  
  Allows the app to have itself started as soon as the system has finished booting. This can make it take longer to start the phone and allow the app to slow down the overall phone by always running.
- record audio
  
  This app can record audio using the microphone while the app is in use.
- ask to ignore battery optimizations
  
  Allows an app to ask for permission to ignore battery optimizations for that app.
- control vibration
  
  Allows the app to control the vibrator.
- prevent phone from sleeping
  
  Allows the app to prevent the phone from going to sleep.
- modify or delete the contents of your shared storage
  
  Allows the app to write the contents of your shared storage.
- com.nospeak.app.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION
Download APK 10 MiB PGP Signature | Build Log

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