Best RedPen Alternatives in 2026
Updated
20 apps from writing style checkers ranked against RedPen on the same published basis.
- 1RedPen vs DeepL Write
- 2RedPen vs Vale
- 3RedPen vs Claritar
- 4RedPen vs StyleMCP
- 5RedPen vs Content Checker
- 6RedPen vs Sapling
- 7RedPen vs ProWritingAid
- 8RedPen vs Revise
- 9RedPen vs Trinka
- 10RedPen vs Acrolinx
- 11RedPen vs Congree Authoring Server
- 12RedPen vs Markup AI
- 13RedPen vs WRITER
- 14RedPen vs Lingofy
- 15RedPen vs PerfectIt
- 16RedPen vs Hemingway Editor
- 17RedPen vs StyleGuard
- 18RedPen vs Readable
- 19RedPen vs textlint
- 20RedPen vs alex
RedPen alternatives compared
| # | App | Score | Free plan | From | Runs on |
|---|---|---|---|---|---|
| 1 | DeepL Write | 8.8 | Free plan | €6.99/mo | Android, Browser, iOS, Mac, Windows |
| 2 | Vale | 8.0 | Free plan | Free | Linux, Mac, self-hosted, Web, Windows |
| 3 | Claritar | 7.9 | Free plan | $19/mo | Web |
| 4 | StyleMCP | 7.8 | Free plan | $9/mo | API, Linux, self-hosted, Web |
| 5 | Content Checker | 7.7 | Free plan | Free | Android, iOS, Mac, Web |
| 6 | Sapling | 7.6 | Free plan | $5/mo | API, Browser, self-hosted, Web, Windows |
| 7 | ProWritingAid | 7.6 | Free plan | $10/mo | Browser |
| 8 | Revise | 7.5 | Free plan | $8/mo | API, self-hosted, Web |
| 9 | Trinka | 7.4 | Free plan | — | API, Browser, Mac, self-hosted, Web, Windows |
| 10 | Acrolinx | 7.1 | No | — | — |
| 11 | Congree Authoring Server | 7.0 | No | — | Web, Windows |
| 12 | Markup AI | 6.9 | No | $249/mo | API, Browser, Mac, Web, Windows |
| 13 | WRITER | 6.9 | No | — | Web, Windows, Mac |
| 14 | Lingofy | 6.7 | No | $4.17/mo | API, Browser, Mac, Web, Windows |
| 15 | PerfectIt | 6.6 | No | — | iOS, Mac, Web, Windows |
| 16 | Hemingway Editor | 6.4 | No | $0.69/mo | Mac, Web, Windows |
| 17 | StyleGuard | 6.3 | No | $7.50/mo | API, Browser, Mac, Web, Windows |
| 18 | Readable | 6.1 | No | $12/mo | API, Web |
| 19 | textlint | 6.1 | Free plan | Free | API, Browser, Linux, Mac, Web, Windows |
| 20 | alex | 5.8 | No | — | Web |
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Questions about RedPen alternatives
What is the best alternative to RedPen?
DeepL Write, number 1 in writing style checkers with a score of 8.8 out of 10. The others here: Vale, Claritar, StyleMCP and 16 more.
What is the best free alternative to RedPen?
DeepL Write is the best-ranked alternative with a free plan. 10 of the 20 alternatives here publish a free plan on their own pricing pages.
How are these alternatives ranked?
Ranked mobile-first: a phone app alongside the web or desktop product, a free tier and the depth of its documentation.