GPTZero: AI Detection & Writing Replay
Bring AI detection, citation checks, live essay feedback, and writing replays directly into Google Docs and your workflow.
#8 in EducationWhat users praise
- The GPTZero AI-text detector plus writing replay — SEO/content people and teachers trust its accuracy, "filters the AI spam"
- Unobtrusive, no slowdown, a few free checks, slots into your workflow
- 400k users, 4.69 rating; students and graders both like it
What users complain about
- Detection mistakes with no clear refund policy — the source of its 1★
- Demands re-login when you're already signed in
- The value concentrates in the pro plan
Compiled from real Chrome Web Store reviews. We only report what users actually wrote — no summaries were invented.
Score breakdown
Reliability0.98
Satisfaction0.81
Usefulness0.40
Safety0.62
Trust0.80
Substance0.85
Strongest: reliability.
Based on 707 reviews · computed Jul 18, 2026. Bars show only what we could actually measure.
What we checked
50recent reviews read
MV3manifest version
15permissions requested
Jul 01, 2026last updated
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