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Grammar checkers

Alternatives to LanguageTool

LanguageTool is a broad writing assistant for 31 languages, combining grammar, spelling, punctuation, casing, style suggestions, tone detection, paraphrasing, and statistics. Its free plan covers spelling, simple punctuation, and some style mistakes. Premium raises the limit to 150,000 characters per text field and offers formal, fluent, simple, and concise paraphrasing. Browser extensions, Windows, macOS, and iOS apps work with common browsers and word processors, while integrations cover Google Docs, Microsoft Word, Apple Pages, LibreOffice, Gmail, Outlook, Apple Mail, and Thunderbird. Teams can manage users and share style guides and dictionaries.

  1. 01 Duden-Mentor

    Duden-Mentor suits people writing German who want spelling, grammar, punctuation, and style suggestions in browser text fields or supported versions of Word.

    From €2.99/mo Free plan Web · Windows · macOS · API
    9.4 Visit Specs
  2. 02 Cordial
    From €0.67/mo Free plan Web · Windows · iOS · Android
    9.4 Visit Specs
  3. 03 Scribens
    From €4.99/mo Free trial Web · Windows · macOS · iOS
    9.3 Visit Specs
  4. 04 Wordvice AI

    It suits students and academic writers working on research papers or admissions essays, as well as people editing business or everyday writing.

    From $8.45/mo Free plan Web · Windows · macOS · Browser extension
    9.3 Visit Specs
  5. 05 Grammar Guru
    From $1/mo Free plan Web · Windows · macOS · Linux
    9.3 Visit Specs
  6. 06 Grammarly

    It suits individuals and teams looking for proofreading, rewrites, and tone guidance, with browser, desktop, and mobile access.

    From $12/mo Free plan iOS · Android
    9.2 Visit Specs
  7. 07 Sapling

    Sapling suits teams seeking writing assistance and developers integrating language model-powered features.

    From $12/mo Free plan Web · Windows · API · Self-hosted
    9.2 Visit Specs
  8. 08 MerciApp

    MerciApp suits writers who want in-line corrections and rewriting tools across browser and desktop workflows.

    From €12/mo Free plan Web · Windows · macOS · iOS
    9.2 Visit Specs
  9. 09 TextGears

    TextGears may suit students, universities, EdTech, HR, and content or advertising services needing writing checks or API text analysis.

    From $2.48/mo Free plan Web · API · Self-hosted · Browser extension
    9.2 Visit Specs
  10. 10 GrammarCheck.ai

    GrammarCheck.ai suits writers, students, bloggers, and non-native English speakers who want grammar correction and related writing tools.

    From $2.50/mo Free plan Web · Linux · iOS · Android
    9.2 Visit Specs
  11. 11 Trinka

    Trinka suits academic and technical writers who want grammar, style, document proofreading or citation tools.

    From $6.67/mo Free plan Web · Windows · macOS · API
    9.1 Visit Specs
  12. 12 Rechtschreibprüfung24
    Free plan Web · API · Browser extension
    9.1 Visit Specs
  13. 13 ProWritingAid

    It suits English-language writers who want grammar and style suggestions in supported editors or browsers.

    From $10/mo Free plan Browser extension
    9.0 Visit Specs
  14. 14 Linguix

    Linguix suits individuals who want writing checks, rewriting, and shortcuts across websites and supported apps.

    From $5/mo Free plan Web · iOS · Android · API
    9.0 Visit Specs
  15. 15 Outwrite

    Outwrite suits students, professionals, casual writers, and teams looking for writing feedback in supported online tools.

    From $7.95/mo Free plan Web · Windows · macOS · API
    9.0 Visit Specs
  16. 16 Ginger

    Ginger may suit native and non-native English speakers, students and professionals who want writing corrections and rephrasing.

    From $0.50/mo Web · Windows · macOS · iOS
    8.9 Visit Specs
  17. 17 iGrammar

    It suits students, professionals, and creative writers looking for writing corrections and revision tools across multiple languages.

    From $10/mo Free plan Web · macOS · iOS · Android
    8.9 Visit Specs
  18. 18 Harper

    Harper suits students, journalists, and developers who want local grammar and spelling checks in a browser, editor, or desktop app.

    Free plan Open source Web · Windows · macOS · Linux
    8.9 Visit Specs
  19. 19 Microsoft Editor

    Editor suits people who want spelling and grammar help in a browser or within Word and Outlook, with guidance across multiple languages.

    From $0.83/mo Free trial Web · Windows · macOS · Browser extension
    8.8 Visit Specs
  20. 20 LexiCheck
    From $2/mo Free plan Web
    8.8 Visit Specs
  21. 21 Corrector.app
    Free plan Web · Windows · iOS · Android
    8.8 Visit Specs
  22. 22 CorrectEnglish
    From $6.67/mo Free plan Web · iOS · Android · Browser extension
    8.7 Visit Specs
  23. 23 Lexicon
    Free plan Windows · macOS · Linux · Browser extension
    8.5 Visit Specs
  24. 24 Slick Write
    Free plan Web · Browser extension
    8.5 Visit Specs
  25. 25 Ghotit
    Free trial Windows · macOS · iOS
    8.5 Visit Specs
  26. 26 ProLexis
    From €20/mo Free trial Web · Windows · macOS · API
    8.5 Visit Specs
  27. 27 WProofreader
    From €28.33/mo Free plan Web · Windows · Linux · API
    8.5 Visit Specs
  28. 28 WRITER
    Free trial Web · Windows · macOS · API
    8.5 Visit Specs
  29. 29 Virtual Writing Tutor
    From $3/mo Free plan Web
    8.4 Visit Specs
  30. 30 Grammalecte

    Grammalecte suits French-language writers who want local grammar and typography checking on desktop or supported extensions.

    Free plan Open source Windows · macOS · Linux · API
    8.4 Visit Specs

Choosing instead of LanguageTool

An alternative may suit you better if the free checks are too narrow, you need a different device mix, or another workflow matters more. Weigh language coverage, tone and rewriting tools, APIs or self-hosting, regional language support, mobile access, integrations, and text limits. A focused German checker, an application-ready API, or a tool with a clearly priced plan can each change which choice fits your writing.

LanguageTool, head to head