Best ProLexis Alternatives in 2026
Updated
20 apps from grammar checkers ranked against ProLexis on the same published basis.
- 1ProLexis vs Harper
- 2ProLexis vs LanguageTool
- 3ProLexis vs Grammarly
- 4ProLexis vs Trinka
- 5ProLexis vs MerciApp
- 6ProLexis vs Sapling
- 7ProLexis vs Wordvice AI
- 8ProLexis vs ProWritingAid
- 9ProLexis vs Scribbr Grammar Checker
- 10ProLexis vs Linguix
- 11ProLexis vs Duden-Mentor
- 12ProLexis vs iGrammar
- 13ProLexis vs Grammar Guru
- 14ProLexis vs Cordial
- 15ProLexis vs Rechtschreibprüfung24
- 16ProLexis vs TextGears
- 17ProLexis vs GemType
- 18ProLexis vs Korr
- 19ProLexis vs WritingTool
- 20ProLexis vs Lexicon
ProLexis alternatives compared
| # | App | Score | Free plan | From | Runs on |
|---|---|---|---|---|---|
| 1 | Harper | 9.4 | Free plan | Free | Android, API, Browser, iOS, Linux, Mac, Web, Windows |
| 2 | LanguageTool | 8.2 | Free plan | Free | Browser, iOS, Mac, Windows |
| 3 | Grammarly | 8.0 | Free plan | $12/mo | Android, iOS |
| 4 | Trinka | 8.0 | Free plan | API, Browser, Mac, self-hosted, Web, Windows | |
| 5 | MerciApp | 8.0 | Free plan | €12/mo | Android, Browser, iOS, Mac, Web, Windows |
| 6 | Sapling | 7.9 | Free plan | $5/mo | API, Browser, self-hosted, Web, Windows |
| 7 | Wordvice AI | 7.9 | Free plan | $0.70/mo | Browser, Mac, Web, Windows |
| 8 | ProWritingAid | 7.8 | Free plan | $10/mo | Browser |
| 9 | Scribbr Grammar Checker | 7.8 | Free plan | Free | Browser, Web |
| 10 | Linguix | 7.8 | Free plan | $5/mo | Android, API, Browser, iOS, Web |
| 11 | Duden-Mentor | 7.8 | Free plan | €2.99/mo | Browser, Mac, Web, Windows |
| 12 | iGrammar | 7.8 | Free plan | $10/mo | Android, API, Browser, iOS, Mac, Web |
| 13 | Grammar Guru | 7.8 | Free plan | $1/mo | Browser, Linux, Mac, Web, Windows |
| 14 | Cordial | 7.7 | Free plan | Browser, Web, Windows | |
| 15 | Rechtschreibprüfung24 | 7.6 | Free plan | $300/mo | Web |
| 16 | TextGears | 7.6 | Free plan | $2.48/mo | API, Web |
| 17 | GemType | 7.6 | Free plan | Free | Windows, Mac, Linux, Web |
| 18 | Korr | 7.5 | Free plan | Free | Browser, Web, Windows |
| 19 | WritingTool | 7.5 | Free plan | Free | Linux, Mac, Windows |
| 20 | Lexicon | 7.5 | Free plan | Free | Browser, Linux, Mac, Windows |
Make your app an alternative to ProLexis
See the priceThe sponsored alternative slot on this page is labelled Sponsored.
Questions about ProLexis alternatives
What is the best alternative to ProLexis?
Harper, number 1 in grammar checkers with a score of 9.4 out of 10. The others here: LanguageTool, Grammarly, Trinka and 16 more.
What is the best free alternative to ProLexis?
Harper is the best-ranked alternative with a free plan. 20 of the 20 alternatives here publish a free plan on their own pricing pages.
Is there an open-source alternative to ProLexis?
Yes: Harper.
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.