Best Harper Alternatives in 2026
Updated
20 apps from grammar checkers ranked against Harper on the same published basis.
- 1Harper vs LanguageTool
- 2Harper vs Grammarly
- 3Harper vs Trinka
- 4Harper vs Sapling
- 5Harper vs Wordvice AI
- 6Harper vs ProWritingAid
- 7Harper vs Linguix
- 8Harper vs MerciApp
- 9Harper vs iGrammar
- 10Harper vs TextGears
- 11Harper vs Grammar Guru
- 13Harper vs GemType
- 14Harper vs Rechtschreibprüfung24
- 15Harper vs GrammarCheck.ai
- 16Harper vs Virtual Writing Tutor
- 17Harper vs Ginger
- 18Harper vs Slick Write
- 19Harper vs Sentence Checker
- 20Harper vs Typlx
- 21Harper vs LexiCheck
Harper alternatives compared
| # | App | Score | Free plan | From | Runs on |
|---|---|---|---|---|---|
| 1 | LanguageTool | 8.2 | Free plan | Free | Browser, iOS, Mac, Windows |
| 2 | Grammarly | 8.0 | Free plan | $12/mo | Android, iOS |
| 3 | Trinka | 8.0 | Free plan | — | API, Browser, Mac, self-hosted, Web, Windows |
| 4 | Sapling | 7.9 | Free plan | $5/mo | API, Browser, self-hosted, Web, Windows |
| 5 | Wordvice AI | 7.9 | Free plan | $0.70/mo | Browser, Mac, Web, Windows |
| 6 | ProWritingAid | 7.8 | Free plan | $10/mo | Browser |
| 7 | Linguix | 7.8 | Free plan | $5/mo | Android, API, Browser, iOS, Web |
| 8 | MerciApp | 7.7 | Free plan | €12/mo | Web, Windows, Mac |
| 9 | iGrammar | 7.7 | Free plan | $10/mo | Android, API, Browser, iOS, Mac, Web |
| 10 | TextGears | 7.6 | Free plan | $2.48/mo | API, Web |
| 11 | Grammar Guru | 7.6 | Free plan | $1/mo | Windows, Mac, Linux |
| 13 | GemType | 7.6 | Free plan | Free | Windows, Mac, Linux, Web |
| 14 | Rechtschreibprüfung24 | 7.5 | Free plan | — | Web |
| 15 | GrammarCheck.ai | 7.4 | Free plan | $4/mo | Web, iOS, Android, Linux |
| 16 | Virtual Writing Tutor | 7.3 | Free plan | $3/mo | Web |
| 17 | Ginger | 7.2 | No | $0.42/mo | Android, API, Browser, iOS, Mac, self-hosted, Web, Windows |
| 18 | Slick Write | 7.2 | Free plan | Free | Web |
| 19 | Sentence Checker | 7.2 | Free plan | Free | Web |
| 20 | Typlx | 7.2 | Free plan | Free | iOS |
| 21 | LexiCheck | 7.2 | Free plan | $2/mo | Web |
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Questions about Harper alternatives
What is the best alternative to Harper?
LanguageTool, number 1 in grammar checkers with a score of 8.2 out of 10. The others here: Grammarly, Trinka, Sapling and 16 more.
What is the best free alternative to Harper?
LanguageTool is the best-ranked alternative with a free plan. 19 of the 20 alternatives here publish a free plan on their own pricing pages.
How are these alternatives ranked?
Ranked free-and-open first: a usable free tier and open-source code, then the platforms it runs on and its documentation.