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Best Content Checker Alternatives in 2026

Updated

20 apps from writing style checkers ranked against Content Checker on the same published basis.

  1. 1
    DeepL Write Free plan AndroidextensioniOSMacWin €6.99/mo7.2
    Content Checker vs DeepL Write
  2. 2
    Trinka Free plan apiextensionMacself-hostedWeb 7.2
    Content Checker vs Trinka
  3. 3
    Vale Free plan LinuxMacself-hostedWebWin Free7.1
    Content Checker vs Vale
  4. 5
    Sapling Free plan apiextensionself-hostedWebWin $5/mo7.0
    Content Checker vs Sapling
  5. 6
    textlint Free plan apiextensionLinuxMacWeb Free7.0
    Content Checker vs textlint
  6. 7
    ProWritingAid Free plan extension $10/mo6.9
    Content Checker vs ProWritingAid
  7. 8
    StyleMCP Free plan apiLinuxself-hostedWeb $9/mo6.9
    Content Checker vs StyleMCP
  8. 9
    Revise Free plan apiself-hostedWeb $8/mo6.8
    Content Checker vs Revise
  9. 10
    Claritar Free plan Web $19/mo6.7
    Content Checker vs Claritar
  10. 11
    DeepL Translator Free plan apiextension €7.49/mo6.7
    Content Checker vs DeepL Translator
  11. 12
    Hemingway Editor Free trial MacWebWin $0.69/mo6.6
    Content Checker vs Hemingway Editor
  12. 13
    Lingofy apiextensionMacWebWin $4.17/mo6.6
    Content Checker vs Lingofy
  13. 14
    proselint Free plan Linuxself-hosted Free6.6
    Content Checker vs proselint
  14. 15
    write-good Free plan Linux Free6.6
    Content Checker vs write-good
  15. 16
    PerfectIt Free trial iOSMacWebWin 6.4
    Content Checker vs PerfectIt
  16. 17
    WRITER WebWinMac 6.3
    Content Checker vs WRITER
  17. 18
    Markup AI Free trial apiextensionMacWebWin $249/mo6.2
    Content Checker vs Markup AI
  18. 19
    StyleGuard Free trial apiextensionMacWebWin $7.50/mo6.2
    Content Checker vs StyleGuard
  19. 20
    RedPen WinMacLinux 5.9
    Content Checker vs RedPen
  20. 21
    Congree Authoring Server apiself-hostedWebWin 5.8
    Content Checker vs Congree Authoring Server

Content Checker alternatives compared

#AppScoreFree planFromRuns on
1DeepL Write7.2Free plan€6.99/moAndroid, Browser, iOS, Mac, Windows
2Trinka7.2Free plan—API, Browser, Mac, self-hosted, Web, Windows
3Vale7.1Free planFreeLinux, Mac, self-hosted, Web, Windows
5Sapling7.0Free plan$5/moAPI, Browser, self-hosted, Web, Windows
6textlint7.0Free planFreeAPI, Browser, Linux, Mac, Web, Windows
7ProWritingAid6.9Free plan$10/moBrowser
8StyleMCP6.9Free plan$9/moAPI, Linux, self-hosted, Web
9Revise6.8Free plan$8/moAPI, self-hosted, Web
10Claritar6.7Free plan$19/moWeb
11DeepL Translator6.7Free plan€7.49/moAPI, Browser
12Hemingway Editor6.6No$0.69/moMac, Web, Windows
13Lingofy6.6No$4.17/moAPI, Browser, Mac, Web, Windows
14proselint6.6Free planFreeLinux, self-hosted
15write-good6.6Free planFreeLinux
16PerfectIt6.4No—iOS, Mac, Web, Windows
17WRITER6.3No—Web, Windows, Mac
18Markup AI6.2No$249/moAPI, Browser, Mac, Web, Windows
19StyleGuard6.2No$7.50/moAPI, Browser, Mac, Web, Windows
20RedPen5.9No—Windows, Mac, Linux
21Congree Authoring Server5.8No—API, self-hosted, Web, Windows
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Questions about Content Checker alternatives

What is the best alternative to Content Checker?

DeepL Write, number 1 in writing style checkers with a score of 7.2 out of 10. The others here: Trinka, Vale, Sapling and 16 more.

What is the best free alternative to Content Checker?

DeepL Write is the best-ranked alternative with a free plan. 12 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: documentation depth, a free tier and the platforms it runs on.