Compare software

PerfectItGrammarly
Paid

Paid software with a free trial that needs no credit card details.

 Freemium

Free to sign up, with paid plans for more features.

Windows Web, Browser extension
  • Checks consistency across the whole document, not just sentence by sentence
  • Finds missing acronym definitions and capitalization inconsistencies
  • Grammar, spelling and clarity checks as you type
  • One-click paragraph rewrites and tone suggestions
  • Depends on Microsoft Word
  • Paid after the trial period
  • Requires an account
  • Text is processed on Grammarly's servers
Downloadable app Hosted service, Browser extension
Closed source Closed source
License not stated License not stated
Not stated if an account is needed Account needed
Not stated if it works offline Not stated if it works offline

Checked October 2, 2026

Checked September 23, 2026

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