TL;DR
OmniDetect Advantage
JustDone is primarily an AI content creation tool — detection is a minor feature. At $49/month, you're paying for writing tools you may not need. OmniDetect is purpose-built for detection at $9.99/week with 3-engine consensus, no content creation baggage.
JustDone Strength
JustDone is an all-in-one AI writing suite that includes content generation, rewriting, and AI detection. Convenient for teams that need both creation and verification tools in one subscription.
The Verdict
JustDone uses one detection model. OmniDetect runs GPTZero + Winston AI + Originality.ai in a single scan and shows you when engines agree — and when they don't. That's the difference between a guess and a diagnosis.
Feature Comparison
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| Feature | OmniDetect | JustDone |
|---|---|---|
| Detection | ||
| Detection Engines | 3 (GPTZero + Winston AI + Originality.ai) | 1 (JustDone proprietary) |
| Multi-Engine Consensus | ||
| Sentence-Level Highlighting | ||
| Analysis & Insights | ||
| AI Writing Coach (Advisor) | ||
| Edit & Rescan Loop | ||
| Score Delta Tracking | ||
| Verification Certificate | ||
| Shareable Verify Links | ||
| Privacy & Trust | ||
| No Text Storage (SHA-256 only) | ||
| Pricing & Plans | ||
| Free Tier | 3 scans/day | Limited free trial |
| Starting Price | $9.99 / 7 days | $49/month (All-in-one plan) |
| Weekly Pass Option | ||
Independent Benchmark Data
Based on our 211-sample benchmark with real-world texts. Updated February 2026.
OmniDetect (3-Engine Consensus)
2.5%
FPR
96.1%
TPR
211 real-world samples · 3 independent engines · Updated Feb 2026
JustDone does not publish independent accuracy benchmarks. OmniDetect provides transparent, verifiable accuracy data.
See full methodology and dataset details →Compare all AI detectors →
Why OmniDetect?
Three engines, one scan
GPTZero, Winston AI, and Originality.ai run in parallel. When all three agree, you know the result is reliable. When they disagree, you know to investigate further.
Know WHY, not just WHAT
Our AI Advisor explains which sentences triggered detection and suggests specific rewrites. Not just a score — actionable guidance.
Pay for a week, not a month
Need it for finals week or a deadline? Our $9.99 7-Day Pass is the only weekly option in the market. No monthly commitment required.
Frequently Asked Questions
Is JustDone AI detector worth $49/month?
JustDone charges $49/month for an all-in-one AI writing suite where detection is a minor feature. If you primarily need AI detection, OmniDetect offers 3-engine consensus for $9.99/week — purpose-built, more accurate, and a fraction of the cost.
Does JustDone detect AI accurately?
JustDone is primarily an AI content creation tool — detection is a secondary feature with no published accuracy benchmarks. OmniDetect is purpose-built for detection, publishes full benchmark data (94.2% accuracy, 2.5% FPR on 211 samples), and uses three independent engines.
What is cheaper than JustDone for AI detection?
Almost everything. OmniDetect starts free (3 scans/day), offers a $9.99 weekly pass for intensive use, and $29.99/month for ongoing needs — all with 3-engine consensus that JustDone's single engine can't match.