Best SlopProx Alternatives in 2026
Updated
20 apps from AI detection software ranked against SlopProx on the same published basis.
- 1SlopProx vs Grammarly
- 2SlopProx vs IA Checker
- 3SlopProx vs ZeroTrue
- 4SlopProx vs GPTZero
- 5SlopProx vs Sapling
- 6SlopProx vs Trinka
- 7SlopProx vs Walter Writes AI
- 8SlopProx vs Heynotai
- 9SlopProx vs Originality.ai
- 10SlopProx vs Polygraf AI Detector
- 11SlopProx vs ScribeLens
- 12SlopProx vs Winston AI
- 13SlopProx vs Pangram
- 14SlopProx vs UncovAI AI Detector Extension
- 15SlopProx vs TruthLens
- 16SlopProx vs AI Detector Pro
- 17SlopProx vs TraceGPT
- 18SlopProx vs Copyleaks AI Detector
- 19SlopProx vs EyeSift
- 20SlopProx vs Undetectable AI
SlopProx alternatives compared
| # | App | Score | Free plan | From | Runs on |
|---|---|---|---|---|---|
| 1 | Grammarly | 7.8 | Free plan | $12/mo | Android, iOS |
| 2 | IA Checker | 7.8 | Free plan | €9.90/mo | iOS, Web |
| 3 | ZeroTrue | 7.7 | Free plan | Free | Android, API, iOS, self-hosted, Web |
| 4 | GPTZero | 6.4 | Free plan | $8.33/mo | API, Browser, Web |
| 5 | Sapling | 6.4 | Free plan | $5/mo | API, Browser, self-hosted, Web, Windows |
| 6 | Trinka | 6.4 | Free plan | — | API, Browser, Mac, self-hosted, Web, Windows |
| 7 | Walter Writes AI | 6.4 | No | — | Web, iOS, Android |
| 8 | Heynotai | 6.3 | Free plan | $8/mo | API, Browser, self-hosted, Web |
| 9 | Originality.ai | 6.3 | Free plan | $12.95/mo | API, Browser, Web |
| 10 | Polygraf AI Detector | 6.3 | Free plan | $9.95/mo | API, Browser, Web |
| 11 | ScribeLens | 6.3 | Free plan | $0.04/mo | API, Web |
| 12 | Winston AI | 6.3 | Free plan | $5/mo | API, Browser, Web |
| 13 | Pangram | 6.2 | Free plan | $1.67/mo | API, Browser, Web |
| 14 | UncovAI AI Detector Extension | 6.2 | Free plan | €9.99/mo | Browser, Web |
| 15 | TruthLens | 6.1 | Free plan | Free | Browser |
| 16 | AI Detector Pro | 5.9 | Free plan | Free | Web |
| 17 | TraceGPT | 5.9 | No | — | API, Browser, Web |
| 18 | Copyleaks AI Detector | 5.8 | No | $1.17/mo | API, Browser, Web |
| 19 | EyeSift | 5.8 | Free plan | Free | Web |
| 20 | Undetectable AI | 5.8 | No | $0.42/mo | API, Browser, Web |
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Questions about SlopProx alternatives
What is the best alternative to SlopProx?
Grammarly, number 1 in AI detection software with a score of 7.8 out of 10. The others here: IA Checker, ZeroTrue, GPTZero and 16 more.
What is the best free alternative to SlopProx?
Grammarly is the best-ranked alternative with a free plan. 16 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.