Best Harper Alternatives in 2026
Updated
20 platforms from grammar checkers ranked against Harper on the same published basis.
- 1Harper vs Sapling
- 2Harper vs LanguageTool
- 3Harper vs Grammarly
- 4Harper vs ProWritingAid
- 5Harper vs Wordvice AI
- 6Harper vs Trinka
- 7Harper vs Linguix
- 8Harper vs MerciApp
- 9Harper vs TextGears
- 10Harper vs iGrammar
- 11Harper vs Outwrite
- 12Harper vs Grammar Guru
- 13Harper vs GemType
- 14Harper vs Ginger
- 16Harper vs Scribens
- 17Harper vs Rechtschreibprüfung24
- 18Harper vs GrammarCheck.ai
- 19Harper vs Microsoft Editor
- 20Harper vs Antidote
- 21Harper vs Virtual Writing Tutor
Harper alternatives compared
| # | Platform | Score | Free plan | From | Runs on |
|---|---|---|---|---|---|
| 1 | Sapling | 9.1 | Free plan | $5/mo | API, Browser, self-hosted, Web, Windows |
| 2 | LanguageTool | 8.9 | Free plan | Free | Browser, iOS, Mac, Windows |
| 3 | Grammarly | 8.7 | Free plan | $12/mo | Android, iOS |
| 4 | ProWritingAid | 8.5 | Free plan | $10/mo | Browser |
| 5 | Wordvice AI | 8.5 | Free plan | $0.70/mo | Browser, Mac, Web, Windows |
| 6 | Trinka | 8.4 | Free plan | — | API, Browser, Mac, self-hosted, Web, Windows |
| 7 | Linguix | 8.4 | Free plan | $5/mo | Android, API, Browser, iOS, Web |
| 8 | MerciApp | 8.2 | Free plan | €12/mo | Web, Windows, Mac |
| 9 | TextGears | 8.2 | Free plan | $2.48/mo | API, Web |
| 10 | iGrammar | 8.2 | Free plan | $10/mo | Android, API, Browser, iOS, Mac, Web |
| 11 | Outwrite | 8.2 | Free plan | $7.95/mo | API, Browser, Mac, Web, Windows |
| 12 | Grammar Guru | 8.1 | Free plan | $1/mo | Windows, Mac, Linux |
| 13 | GemType | 8.1 | Free plan | Free | Windows, Mac, Linux, Web |
| 14 | Ginger | 8.0 | No | $0.42/mo | Android, API, Browser, iOS, Mac, self-hosted, Web, Windows |
| 16 | Scribens | 7.9 | No | €4.99/mo | Web, Windows, Mac, iOS, Android |
| 17 | Rechtschreibprüfung24 | 7.9 | Free plan | — | Web |
| 18 | GrammarCheck.ai | 7.9 | Free plan | $4/mo | Web, iOS, Android, Linux |
| 19 | Microsoft Editor | 7.8 | No | — | — |
| 20 | Antidote | 7.7 | No | €4/mo | Web, Windows, Mac, Linux, iOS, Android |
| 21 | Virtual Writing Tutor | 7.7 | Free plan | $3/mo | Web |
Make your platform an alternative to Harper
See the priceThe sponsored alternative slot on this page is labelled and never changes the order above.
Questions about Harper alternatives
What is the best alternative to Harper?
Sapling, number 1 in grammar checkers with a score of 9.1 out of 10. The others here: LanguageTool, Grammarly, ProWritingAid and 16 more.
What is the best free alternative to Harper?
Sapling is the best-ranked alternative with a free plan. 16 of the 20 alternatives here publish a free plan on their own pricing pages.
How are these alternatives ranked?
Ranked on how quickly a newcomer can get going: documentation depth, a free tier or trial, and the platforms it runs on. Paid placements never change a rank.