Compare software

OpenReaderNaturalReader
Free

Free and open source under the MIT licence; cloud TTS providers bill separately.

 Freemium

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

Web, Self-hosted Android, iOS, Web, Browser extension
  • Word-by-word highlighting during narration
  • Audiobook export to M4B or MP3
  • Reads PDFs, images and web pages aloud
  • Available on web, mobile and as a Chrome extension
  • Needs a separate TTS server or a paid cloud API
  • Several moving parts to deploy, including a compute worker
  • Commercial use needs a separate plan
  • Best voices and features sit behind paid plans
Self-hosted Downloadable app, Web application, Browser extension
Open source Closed source
License: MIT License not stated
Not stated if an account is needed Not stated if an account is needed
Not stated if it works offline Not stated if it works offline

Checked October 2, 2026

Checked September 26, 2026

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