Best Duden-Mentor Alternatives in 2026
Updated
20 tools from grammar checkers ranked against Duden-Mentor on the same published basis.
- 1Duden-Mentor vs MerciApp
- 2Duden-Mentor vs LanguageTool
- 3Duden-Mentor vs Sapling
- 4Duden-Mentor vs iGrammar
- 5Duden-Mentor vs Grammarly
- 6Duden-Mentor vs Ginger
- 7Duden-Mentor vs Trinka
- 8Duden-Mentor vs Wordvice AI
- 9Duden-Mentor vs Grammar Guru
- 10Duden-Mentor vs Harper
- 11Duden-Mentor vs Linguix
- 12Duden-Mentor vs ProWritingAid
- 13Duden-Mentor vs Scribens
- 14Duden-Mentor vs Antidote
- 15Duden-Mentor vs GrammarCheck.ai
- 16Duden-Mentor vs GemType
- 17Duden-Mentor vs TextGears
- 18Duden-Mentor vs WhiteSmoke
- 19Duden-Mentor vs Outwrite
- 20Duden-Mentor vs Microsoft Editor
Duden-Mentor alternatives compared
| # | Tool | Score | Free plan | From | Runs on |
|---|---|---|---|---|---|
| 1 | MerciApp | 9.1 | Free plan | €12/mo | Android, Browser, iOS, Mac, Web, Windows |
| 2 | LanguageTool | 8.9 | Free plan | Free | Browser, iOS, Mac, Windows |
| 3 | Sapling | 8.8 | Free plan | $5/mo | API, Browser, self-hosted, Web, Windows |
| 4 | iGrammar | 8.7 | Free plan | $10/mo | Android, API, Browser, iOS, Mac, Web |
| 5 | Grammarly | 8.6 | Free plan | $12/mo | Android, iOS |
| 6 | Ginger | 8.5 | No | $0.42/mo | Android, API, Browser, iOS, Mac, self-hosted, Web, Windows |
| 7 | Trinka | 8.5 | Free plan | — | API, Browser, Mac, self-hosted, Web, Windows |
| 8 | Wordvice AI | 8.5 | Free plan | $0.70/mo | Browser, Mac, Web, Windows |
| 9 | Grammar Guru | 8.5 | Free plan | $1/mo | Browser, Linux, Mac, Web, Windows |
| 10 | Harper | 8.5 | Free plan | Free | Android, API, Browser, iOS, Linux, Mac, Web, Windows |
| 11 | Linguix | 8.4 | Free plan | $5/mo | Android, API, Browser, iOS, Web |
| 12 | ProWritingAid | 8.3 | Free plan | $10/mo | Browser |
| 13 | Scribens | 8.2 | No | €4.99/mo | Web, Windows, Mac, iOS, Android |
| 14 | Antidote | 8.2 | No | €4/mo | Web, Windows, Mac, Linux, iOS, Android |
| 15 | GrammarCheck.ai | 8.2 | Free plan | $0.21/mo | Android, API, Browser, iOS, Linux, Web |
| 16 | GemType | 8.1 | Free plan | Free | Windows, Mac, Linux, Web |
| 17 | TextGears | 8.0 | Free plan | $2.48/mo | API, Web |
| 18 | WhiteSmoke | 8.0 | No | $0.42/mo | Android, Browser, iOS, Mac, Web, Windows |
| 19 | Outwrite | 8.0 | Free plan | $7.95/mo | API, Browser, Mac, Web, Windows |
| 20 | Microsoft Editor | 7.7 | No | — | — |
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Questions about Duden-Mentor alternatives
What is the best alternative to Duden-Mentor?
MerciApp, number 1 in grammar checkers with a score of 9.1 out of 10. The others here: LanguageTool, Sapling, iGrammar and 16 more.
What is the best free alternative to Duden-Mentor?
MerciApp is the best-ranked alternative with a free plan. 15 of the 20 alternatives here publish a free plan on their own pricing pages.
How are these alternatives ranked?
Ranked on what each maker publishes, the fullest spec sheet first: how deeply the product is documented, the platforms it runs on, a free tier or trial to test it, and its standing.