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Best IA Checker Alternatives in 2026

Updated

20 tools from AI detection software ranked against IA Checker on the same published basis.

  1. 1
    Sapling Free plan apiextensionself-hostedWebWin $5/mo7.5
    IA Checker vs Sapling
  2. 2
    GPTZero Free plan apiextensionWeb $8.33/mo7.4
    IA Checker vs GPTZero
  3. 3
    Polygraf AI Detector Free plan apiextensionWeb $9.95/mo7.3
    IA Checker vs Polygraf AI Detector
  4. 4
    Trinka Free plan apiextensionMacself-hostedWeb 7.3
    IA Checker vs Trinka
  5. 5
    AI Detector Pro Free plan Web Free7.2
    IA Checker vs AI Detector Pro
  6. 6
    Winston AI Free plan apiextensionWeb $5/mo7.2
    IA Checker vs Winston AI
  7. 7
    Grammarly Free plan AndroidiOS $12/mo7.1
    IA Checker vs Grammarly
  8. 8
    Pangram Free plan apiextensionWeb $1.67/mo7.1
    IA Checker vs Pangram
  9. 9
    UncovAI AI Detector Extension Free plan extensionWeb €9.99/mo7.1
    IA Checker vs UncovAI AI Detector Extension
  10. 10
    ZeroTrue Free plan AndroidapiiOSself-hostedWeb Free7.1
    IA Checker vs ZeroTrue
  11. 12
    TraceGPT Free trial apiextensionWeb 7.0
    IA Checker vs TraceGPT
  12. 13
    Copyleaks AI Detector Free trial apiextensionWeb $1.17/mo6.9
    IA Checker vs Copyleaks AI Detector
  13. 14
    Heynotai Free plan apiextensionself-hostedWeb $8/mo6.9
    IA Checker vs Heynotai
  14. 15
    ScribeLens Free plan apiWeb $0.04/mo6.9
    IA Checker vs ScribeLens
  15. 16
    Undetectable AI Free trial apiextensionWeb $0.42/mo6.9
    IA Checker vs Undetectable AI
  16. 17
    Originality.ai Free plan apiextensionWeb $12.95/mo6.8
    IA Checker vs Originality.ai
  17. 18
    TruthLens Free plan extension Free6.3
    IA Checker vs TruthLens
  18. 19
    EyeSift Free plan Web Free6.1
    IA Checker vs EyeSift
  19. 20
    Walter Writes AI Free trial AndroidapiextensioniOSWeb $0.67/mo5.7
    IA Checker vs Walter Writes AI
  20. 21
    Smodin AI Detector Web 5.6
    IA Checker vs Smodin AI Detector

IA Checker alternatives compared

#ToolScoreFree planFromRuns on
1Sapling7.5Free plan$5/moAPI, Browser, self-hosted, Web, Windows
2GPTZero7.4Free plan$8.33/moAPI, Browser, Web
3Polygraf AI Detector7.3Free plan$9.95/moAPI, Browser, Web
4Trinka7.3Free plan—API, Browser, Mac, self-hosted, Web, Windows
5AI Detector Pro7.2Free planFreeWeb
6Winston AI7.2Free plan$5/moAPI, Browser, Web
7Grammarly7.1Free plan$12/moAndroid, iOS
8Pangram7.1Free plan$1.67/moAPI, Browser, Web
9UncovAI AI Detector Extension7.1Free plan€9.99/moBrowser, Web
10ZeroTrue7.1Free planFreeAndroid, API, iOS, self-hosted, Web
12TraceGPT7.0No—API, Browser, Web
13Copyleaks AI Detector6.9No$1.17/moAPI, Browser, Web
14Heynotai6.9Free plan$8/moAPI, Browser, self-hosted, Web
15ScribeLens6.9Free plan$0.04/moAPI, Web
16Undetectable AI6.9No$0.42/moAPI, Browser, Web
17Originality.ai6.8Free plan$12.95/moAPI, Browser, Web
18TruthLens6.3Free planFreeBrowser
19EyeSift6.1Free planFreeWeb
20Walter Writes AI5.7No$0.67/moAndroid, API, Browser, iOS, Web
21Smodin AI Detector5.6No—Web
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Questions about IA Checker alternatives

What is the best alternative to IA Checker?

Sapling, number 1 in AI detection software with a score of 7.5 out of 10. The others here: GPTZero, Polygraf AI Detector, Trinka and 16 more.

What is the best free alternative to IA Checker?

Sapling 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.