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SherpaTTS

Text-to-Speech engine based on Next-gen Kaldi
New in version 3.2
Add new Piper models
New option: preload model after device start
SherpaTTS is an Android Text-to-Speech engine based on Next-gen Kaldi using Piper or Coqui voices.
Upon launching the app for the first time, it will download your preferred voice model from Hugging Face.
Please note that this is the only instance where internet permission is required.
Once the model is downloaded, text-to-speech works entirely offline, ensuring your privacy and convenience.
  • app screenshot
  • app screenshot

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 3.2 (32) suggested Added on May 29, 2026

    arm64-v8a armeabi-v7a

    This version requires Android 10 or newer.

    It is built and signed by F-Droid, and guaranteed to correspond to this source tarball.

    Permissions
    • view network connections
      Allows the app to view information about network connections such as which networks exist and are connected.
    • run foreground service
      Allows the app to make use of foreground services.
    • 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.
    • 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.
    • prevent phone from sleeping
      Allows the app to prevent the phone from going to sleep.
    • org.woheller69.ttsengine.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION

    Download APK 69 MiB PGP Signature | Build Log

    • New in version 3.1
    Improved sideloading
  • Version 3.1 (31) - Added on Apr 05, 2026

    arm64-v8a armeabi-v7a

    This version requires Android 10 or newer.

    It is built and signed by F-Droid, and guaranteed to correspond to this source tarball.

    Permissions
    • 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.
    • org.woheller69.ttsengine.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION

    Download APK 68 MiB PGP Signature | Build Log

    • New in version 3.0
    Add option to filter SSML
  • Version 3.0 (30) - Added on Mar 24, 2026

    arm64-v8a armeabi-v7a

    This version requires Android 10 or newer.

    It is built and signed by F-Droid, and guaranteed to correspond to this source tarball.

    Permissions
    • 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.
    • org.woheller69.ttsengine.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION

    Download APK 68 MiB PGP Signature | Build Log

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