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Harper

No phone app

7.6No. 21 of 86
in Grammar checkers
  • Recognised40% of the score88
  • Phone app26% of the score0
  • Documented20% of the score60
  • Free plan14% of the score100
Free plan
Yes
Runs on
Web, Windows, Mac, Linux
Visit site Alternatives

Summary

Harper is ranked #21 of 86 in grammar checkers on Samsung Mobile US Press. It runs on Web, Windows, macOS, Linux. There is a free plan.

Harper plans and pricing

All plans
Free Free Grammar and spelling checking · Local processing · Apache-2.0 open-source license writewithharper.com · 20 Sept 2026

Compared on grammar checkers

Free plan
Yeswritewithharper.com
Browser extension
Yeswritewithharper.com
Desktop app
Yeswritewithharper.com

Facts

Style suggestions
Yeswritewithharper.com · 20 Sept 2026
Languages supported
1writewithharper.com · 20 Sept 2026

Best Harper alternatives

See all 20
LanguageTool No. 1 9.8 iPhone onlyFreeGrammarly No. 2 9.7 iPhone + Android$12/moLinguix No. 3 9.3 iPhone + Android$5/moiGrammar No. 4 9.1 iPhone + Android$10/moGrammarCheck.ai No. 5 9.0 iPhone + Android$4/moScribens No. 6 8.9 iPhone + Android€4.99/mo

Where it ranks on Samsung Mobile US Press

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Sources