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Harper

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Score8.4
Rank#14 of 88
PriceFree
Free planYes
Runs onWeb, Windows, macOS, Linux

Summary

Harper is ranked #14 of 88 in grammar checkers on Everything Xiaomi. 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

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9.4 LanguageTool Free plan 9.1 Grammarly Free plan 9.1 Trinka Free plan 8.9 Sapling Free plan 8.9 Wordvice AI Free plan 8.8 Ginger $0.42/mo

Where it ranks on Everything Xiaomi

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Sources