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SherpaTTS

SherpaTTS is a free, open-source utility app for Android. Text-to-Speech engine based on Next-gen Kaldi. It has 807 GitHub stars and is released under the GPL-3.0-only license, and you can install it from F-Droid.

github.com/woheller69/ttsEngine (opens in a new tab)

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About SherpaTTS

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.

Privacy and F-Droid

F-Droid builds SherpaTTS from its published source code and flags anti-features such as ads, tracking or reliance on non-free services.

  • Relies on a non-free network service

Screenshots

  • SherpaTTS screenshot 1
  • SherpaTTS screenshot 2

Screenshots from the app's F-Droid listing.

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FAQ

SherpaTTS FAQ

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Is SherpaTTS free and open source?

Yes. SherpaTTS's source code is public on GitHub under the GPL-3.0-only license, which is OSI-approved or FSF-free. F-Droid flags these anti-features on its latest build: relies on a non-free network service.

How do I install SherpaTTS?

You can install SherpaTTS from F-Droid (package org.woheller69.ttsengine); the links are on this page. Its GitHub repository also publishes releases (latest: V3.4).

Is SherpaTTS still maintained?

The repository's most recent commit was on Jul 20, 2026. Its F-Droid listing was last updated on Jul 21, 2026. appsgit only lists apps whose repository had a commit in the last six months.