Grammarly icon

Grammarly

Proofreading and writing feedback across many sites

4.5 / 5 · 43.1K ratings

LanguageTool icon

LanguageTool

Grammar and style checking across sites, with multilingual support

4.7 / 5 · 12.6K ratings

Feature-by-feature comparison

CriterionGrammarlyLanguageTool
Primary useInline proofreading across the webGrammar and style with multilingual reach
Language coverageDeepest in EnglishMany languages are the core pitchEdge
Free tierFree tier; Pro unlocks advanced feedbackFree tier with length limits; Premium extends them
From the cited store listings
Public adoption35,000,000 users; 43.1K ratingsEdge2,000,000 users; 12.6K ratings
Store rating4.5 / 5 from 43.1K ratings4.7 / 5 from 12.6K ratingsEdge
Update recencyLast updated July 27, 2026 — actively maintainedLast updated August 7, 2026 — actively maintained

Choose Grammarly if…

  • English proofreading depth is the priority.
  • You want the most widely adopted option across many sites.

Choose LanguageTool if…

  • You write in more than one language.
  • You prefer an open-source core and a lighter free tier.

Bottom line

Both are safe recommendations with large public track records. Grammarly wins on English depth and adoption; LanguageTool wins on language breadth, with a 4.7 rating across a 12.6K sample of its own.

Sources

  1. Chrome Web Store listing

    Store metrics, feature claims, and data categories.

  2. Chrome Web Store listing

    Rating, users, version, update date, and data categories.