Compare software

RefineKerlig
Free

Free to download and use without an account.

 Paid

Pricing is not given in the research; models are billed through your own provider API…

macOS macOS
  • Grammar checking runs locally and works offline
  • Every fix explains the rule behind it
  • Works in any Mac app with built-in and custom actions
  • Choice of 350+ models through your own API keys
  • macOS only, requires macOS 14 or later
  • Local model quality depends on the Mac it runs on
  • Mac only, macOS 12 or later
  • Requires your own API keys from AI providers
Downloadable app Downloadable app
Closed source Closed source
License not stated License not stated
No account needed Not stated if an account is needed
Works offline Not stated if it works offline

Checked October 1, 2026

Checked October 2, 2026

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