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Best ContentDetector.org Alternatives in 2026

Updated

20 apps from AI content detectors ranked against ContentDetector.org on the same published basis.

  1. 1
    TrustOriginality.ai Free plan AndroidapiiOSWeb €4.99/mo6.6
    ContentDetector.org vs TrustOriginality.ai
  2. 2
    AI Detectors.io Free plan apiextensionMacWebWin $0.69/mo6.5
    ContentDetector.org vs AI Detectors.io
  3. 4
    GPTZero Free plan apiextensionWeb $8.33/mo6.4
    ContentDetector.org vs GPTZero
  4. 5
    It's AI Free plan apiextensionWeb $0.42/mo6.4
    ContentDetector.org vs It's AI
  5. 6
    Originality.ai Free plan apiextensionWeb $12.95/mo6.4
    ContentDetector.org vs Originality.ai
  6. 7
    Winston AI Free plan apiextensionWeb $5/mo6.4
    ContentDetector.org vs Winston AI
  7. 8
    AI Detector Pro Free plan Web Free6.3
    ContentDetector.org vs AI Detector Pro
  8. 9
    AI-Content Detector ML Free plan extensionWeb Free6.3
    ContentDetector.org vs AI-Content Detector ML
  9. 10
    Airno Free plan apiWeb $19/mo6.3
    ContentDetector.org vs Airno
  10. 11
    Detecting-AI.com Free plan apiWeb $0.58/mo6.3
    ContentDetector.org vs Detecting-AI.com
  11. 12
    Detecto Free plan Web $6.99/mo6.3
    ContentDetector.org vs Detecto
  12. 13
    EyeSift Free plan Web Free6.3
    ContentDetector.org vs EyeSift
  13. 14
    GPTKit Free plan apiWeb $5/mo6.3
    ContentDetector.org vs GPTKit
  14. 15
    Isgen AI Detector Free plan apiWeb $8/mo6.3
    ContentDetector.org vs Isgen AI Detector
  15. 16
    Learnaway Free plan Web $33.25/mo6.3
    ContentDetector.org vs Learnaway
  16. 17
    Mask AI Detector Free plan Web $10.99/mo6.3
    ContentDetector.org vs Mask AI Detector
  17. 18
    Pangram Free plan apiextensionWeb $1.67/mo6.3
    ContentDetector.org vs Pangram
  18. 19
    Proofademic Free plan apiWeb $15/mo6.3
    ContentDetector.org vs Proofademic
  19. 20
    Copyleaks AI Detector Free trial apiextensionWeb $1.17/mo5.4
    ContentDetector.org vs Copyleaks AI Detector
  20. 21
    Smodin AI Detector extensionWeb $0.83/mo5.3
    ContentDetector.org vs Smodin AI Detector

ContentDetector.org alternatives compared

#AppScoreFree planFromRuns on
1TrustOriginality.ai6.6Free plan€4.99/moAndroid, API, iOS, Web
2AI Detectors.io6.5Free plan$0.69/moAPI, Browser, Mac, Web, Windows
4GPTZero6.4Free plan$8.33/moAPI, Browser, Web
5It's AI6.4Free plan$0.42/moAPI, Browser, Web
6Originality.ai6.4Free plan$12.95/moAPI, Browser, Web
7Winston AI6.4Free plan$5/moAPI, Browser, Web
8AI Detector Pro6.3Free planFreeWeb
9AI-Content Detector ML6.3Free planFreeBrowser, Web
10Airno6.3Free plan$19/moAPI, Web
11Detecting-AI.com6.3Free plan$0.58/moAPI, Web
12Detecto6.3Free plan$6.99/moWeb
13EyeSift6.3Free planFreeWeb
14GPTKit6.3Free plan$5/moAPI, Web
15Isgen AI Detector6.3Free plan$8/moAPI, Web
16Learnaway6.3Free plan$33.25/moWeb
17Mask AI Detector6.3Free plan$10.99/moWeb
18Pangram6.3Free plan$1.67/moAPI, Browser, Web
19Proofademic6.3Free plan$15/moAPI, Web
20Copyleaks AI Detector5.4$1.17/moAPI, Browser, Web
21Smodin AI Detector5.3$0.83/moBrowser, Web
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Questions about ContentDetector.org alternatives

What is the best alternative to ContentDetector.org?

TrustOriginality.ai, number 1 in AI content detectors with a score of 6.6 out of 10. The others here: AI Detectors.io, GPTZero, It's AI and 16 more.

What is the best free alternative to ContentDetector.org?

TrustOriginality.ai is the best-ranked alternative with a free plan. 18 of the 20 alternatives here publish a free plan on their own pricing pages.

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.