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SmartVoiceSherpaTTS
Free

Free and open source under the MIT license.

 Free

Free and open source under the GPL 3.0 licence.

Android Android
  • Automatic language recognition and voice switching
  • Adjustable volume, speech rate, and pitch for each voice
  • Speech is generated on the device
  • Internet needed only to download the voice model
  • Requires Android 7.0 or later
  • Automatic language recognition supports only a subset of languages
  • Developer says it will stop working on certified Android devices after Google's identity requirement
  • Voice quality depends on the model you pick
Downloadable app Downloadable app
Open source Open source
License: MIT License: GPL-3.0
Not stated if an account is needed No account needed
Not stated if it works offline Works offline

Checked October 8, 2026

Checked October 2, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.