Compare software

NaturalReaderOpenReader
Freemium

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

 Free

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

Android, iOS, Web, Browser extension Web, Self-hosted
  • Reads PDFs, images and web pages aloud
  • Available on web, mobile and as a Chrome extension
  • Word-by-word highlighting during narration
  • Audiobook export to M4B or MP3
  • Commercial use needs a separate plan
  • Best voices and features sit behind paid plans
  • Needs a separate TTS server or a paid cloud API
  • Several moving parts to deploy, including a compute worker
Downloadable app, Web application, Browser extension Self-hosted
Closed source Open source
License not stated License: MIT
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 September 26, 2026

Checked October 2, 2026

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