Compare software

ProWritingAidTrinka
Freemium

Free to start, with a paid version that unlocks the full toolkit.

 Freemium

Free to start, with paid plans including a Confidential Data Plan.

Web, Browser extension Web
  • Style and line-editing feedback beyond basic grammar
  • Story planning and critique tools for fiction
  • Tuned for academic and technical writing
  • Includes plagiarism, AI detection and citation tools
  • Full feature set requires a paid plan
  • Geared toward fiction, less so toward other writing
  • Less suited to casual or marketing writing
  • Strongest privacy guarantees are on a paid plan
Downloadable app, Web application, Browser extension Web application
Closed source Closed source
License not stated License not stated
Account needed Not stated if an account is needed
Not stated if it works offline Needs internet

Checked September 23, 2026

Checked September 26, 2026

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