AI detection and writing verification built for schools and editors
12 alternatives to Bot Sentinel, matched by what they do.
| Rank | Tool & Tagline | Official Domain | Monthly Visits | MoM Growth | Pricing Model | Primary Market | Rating | Compare |
|---|
| ● | Bot Sentinel | chromewebstore.google.com | 0 | 0 (—) | Free | Global | — | Profile |
| 1 | GPTZero | gptzero.me | 23.25M | 5.7M (+32.5%) | Freemium, Paid | United States | 4.1 | Compare |
| 2 | Isgen AI Detector | isgen.ai | 901.92K | 49.42K (+5.8%) | Freemium | South Korea | 3.8 | Compare |
| 3 | Detecting-AI.com | detecting-ai.com | 505.15K | 419.96K (+493%) | Freemium, Paid | United States | 3.8 | Compare |
| 4 | Undetectable AI | undetectable.ai | 3.11M | 464.72K (+17.5%) | Freemium | United States | 3.8 | Compare |
| 5 | ZeroGPT | zerogpt.com | 32.86M | 5.41M (+19.7%) | Freemium, Paid | United States | 3.8 | Compare |
| 6 | Winston AI | gowinston.ai | 604.45K | 31.17K (+5.4%) | Freemium, Free Trial | United States | 4.2 | Compare |
| 7 | Originality.ai | originality.ai | 2.05M | 55.72K (+2.8%) | Paid | United States | 4 | Compare |
| 8 | MyDetector | mydetector.ai | 534.48K | 5.79K (+1.1%) | Free | United States | 3.5 | Compare |
| 9 | ZeroGPT.CC | zerogpt.cc | 78.74K | -7.07K (-8.2%) | Freemium | United States | 3.6 | Compare |
| 10 | hCaptcha | hcaptcha.com | 5.45M | 858.28K (+18.7%) | Freemium, Free Trial, Contact for Pricing, Free | United States | 4.1 | Compare |
| 11 | AI Scanner | aiscanner.io | 4.33K | 1.39K (+47.3%) | Free | Netherlands | 3.7 | Compare |
| 12 | AI Detector for PPT | pptdetector.com | 26.82K | -16.88K (-38.6%) | Free Trial, Paid | United States | 3.4 | Compare |
AI detection and writing verification built for schools and editors

Multilingual AI detector with sentence-level insight
Multilingual AI detector with sentence-level insight
AI detector that highlights evidence, not just a score
AI detector that highlights evidence, not just a score
Detect, humanize and verify AI content in one place
Detect, humanize and verify AI content in one place
AI content detection and a full writing toolkit in one place
AI content detection and a full writing toolkit in one place

Detect AI-generated text and images with benchmark-tested accuracy
Detect AI-generated text and images with benchmark-tested accuracy

AI detector, plagiarism and content-quality checks in one scan
AI detector, plagiarism and content-quality checks in one scan

Free AI detector with sentence-level insight and a humanizer
Free AI detector with sentence-level insight and a humanizer
Free AI content detector with sentence-level analysis
Free AI content detector with sentence-level analysis

Privacy-first bot detection and fraud prevention for the web

Free AI detector with sentence-level reports and cross-model detection
Free AI detector with sentence-level reports and cross-model detection
Detect AI-written slides in any PowerPoint deck
Detect AI-written slides in any PowerPoint deck