Compare software

Speech NoteNaturalReader
Free

Free and open source under the Mozilla Public License 2.0.

 Freemium

Free to start, with paid personal, commercial and education plans.

Linux Android, iOS, Web, Browser extension
  • Speech recognition, speech synthesis and translation all run offline
  • Wide choice of engines, including Whisper, Piper and Kokoro
  • Reads PDFs, images and web pages aloud
  • Available on web, mobile and as a Chrome extension
  • Linux and Sailfish OS only
  • Models must be downloaded separately and can be large
  • Commercial use needs a separate plan
  • Best voices and features sit behind paid plans
Downloadable app Downloadable app, Web application, Browser extension
Open source Closed source
License: MPL-2.0 License not stated
No account needed Not stated if an account is needed
Works offline Not stated if it works offline

Checked September 26, 2026

Checked September 26, 2026

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