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Best Signs of AI Alternatives in 2026

Updated

20 apps from AI content detection software ranked against Signs of AI on the same published basis.

  1. 1
    TrustOriginality.ai Free plan AndroidapiextensioniOSself-hosted €4.99/mo6.6
    Signs of AI vs TrustOriginality.ai
  2. 2
    SlopTotal Free plan apiextensionLinuxMacself-hosted Free6.5
    Signs of AI vs SlopTotal
  3. 3
    Trinka Free plan apiextensionMacself-hostedWeb 6.5
    Signs of AI vs Trinka
  4. 4
    Ahrefs Free plan apiWeb $29/mo6.4
    Signs of AI vs Ahrefs
  5. 5
    AI Detect Free plan LinuxMacself-hostedWin Free6.4
    Signs of AI vs AI Detect
  6. 6
    AI or Not Free plan apiiOSWeb $5/mo6.4
    Signs of AI vs AI or Not
  7. 7
    Corrector.app Free plan AndroidextensioniOSWeb Free6.4
    Signs of AI vs Corrector.app
  8. 8
    GPTZero Free plan apiextensionWeb $8.33/mo6.4
    Signs of AI vs GPTZero
  9. 9
    Polygraf AI Detector Free plan apiextensionWeb $9.95/mo6.4
    Signs of AI vs Polygraf AI Detector
  10. 10
    AI Detector Pro Free plan Web Free6.3
    Signs of AI vs AI Detector Pro
  11. 11
    Detecting-AI.com Free plan apiWeb $0.58/mo6.3
    Signs of AI vs Detecting-AI.com
  12. 12
    Detecto Free plan Web $6.99/mo6.3
    Signs of AI vs Detecto
  13. 13
    EyeSift Free plan Web Free6.3
    Signs of AI vs EyeSift
  14. 14
    GPTKit Free plan apiWeb $5/mo6.3
    Signs of AI vs GPTKit
  15. 15
    Hive AI-Generated Content Detection Free plan apiextensionself-hostedWeb $6/mo6.3
    Signs of AI vs Hive AI-Generated Content Detection
  16. 16
    Illuminarty Free plan apiWeb $10/mo6.3
    Signs of AI vs Illuminarty
  17. 17
    Isgen AI Detector Free plan apiWeb $8/mo6.3
    Signs of AI vs Isgen AI Detector
  18. 18
    Learnaway Free plan Web $33.25/mo6.3
    Signs of AI vs Learnaway
  19. 19
    Originality.ai Free plan apiextensionWeb $12.95/mo6.3
    Signs of AI vs Originality.ai
  20. 20
    Pangram Free plan apiextensionWeb $1.67/mo6.3
    Signs of AI vs Pangram

Signs of AI alternatives compared

#AppScoreFree planFromRuns on
1TrustOriginality.ai6.6Free plan€4.99/moAndroid, API, Browser, iOS, self-hosted, Web
2SlopTotal6.5Free planFreeAPI, Browser, Linux, Mac, self-hosted, Web, Windows
3Trinka6.5Free planAPI, Browser, Mac, self-hosted, Web, Windows
4Ahrefs6.4Free plan$29/moAPI, Web
5AI Detect6.4Free planFreeLinux, Mac, self-hosted, Windows
6AI or Not6.4Free plan$5/moAPI, iOS, Web
7Corrector.app6.4Free planFreeAndroid, Browser, iOS, Web
8GPTZero6.4Free plan$8.33/moAPI, Browser, Web
9Polygraf AI Detector6.4Free plan$9.95/moAPI, Browser, Web
10AI Detector Pro6.3Free planFreeWeb
11Detecting-AI.com6.3Free plan$0.58/moAPI, Web
12Detecto6.3Free plan$6.99/moWeb
13EyeSift6.3Free planFreeWeb
14GPTKit6.3Free plan$5/moAPI, Web
15Hive AI-Generated Content Detection6.3Free plan$6/moAPI, Browser, self-hosted, Web
16Illuminarty6.3Free plan$10/moAPI, Web
17Isgen AI Detector6.3Free plan$8/moAPI, Web
18Learnaway6.3Free plan$33.25/moWeb
19Originality.ai6.3Free plan$12.95/moAPI, Browser, Web
20Pangram6.3Free plan$1.67/moAPI, Browser, Web
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Questions about Signs of AI alternatives

What is the best alternative to Signs of AI?

TrustOriginality.ai, number 1 in AI content detection software with a score of 6.6 out of 10. The others here: SlopTotal, Trinka, Ahrefs and 16 more.

What is the best free alternative to Signs of AI?

TrustOriginality.ai is the best-ranked alternative with a free plan. 20 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.