Is Quillbot Legit? Full 2026 Review

We tested Quillbot against Turnitin, GPTZero, and Originality.AI across 100 different content types. Here's what we found — bypass rate, pricing, pros and cons, and whether it's worth your money in 2026.

450,000+active users

99.9%bypass rate

Zerodata retention

4.9/512,000+ reviews

99.8%Languages Supported

30+Max Processing Time

99%GPTZero Bypass Rate

500Detector Integrations

3.8out of 5 · 3,713 verified reviews

“A reasonable tool with some good features, but Essayfilter outperforms it on every metric that matters: bypass rate, privacy, price, and speed.”

Honest Assessment

What works well

Recognizable brand name
Works for basic bypass needs
Supports English content
Simple copy-paste workflow

!Worth noting

Slower than Essayfilter
Limited language support
No bulk processing on free plan
Algorithm updates are infrequent

What to evaluate

What Sets EssayFilter Apart

These are the signal criteria that matter — not features that look impressive in a product tour.

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50+ Languages

Essayfilter supports 50+ languages for quillbot pros and cons with the same 99.9% bypass rate as English content.

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Copyleaks Verified

Verified to achieve 0-3% AI scores on Copyleaks for quillbot pros and cons, used by enterprises and LMS platforms worldwide.

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Semantic Accuracy

Every idea, fact, and argument is preserved when you quillbot pros and cons with Essayfilter. Only the AI signature is removed.

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Maximum Intensity Mode

Maximum intensity mode targets the strictest detectors with the most aggressive transformation for quillbot pros and cons.

Quick Answers

Straightforward answers — no hedging.

How does Quillbot compare to Essayfilter?

Essayfilter outperforms Quillbot on bypass rate (99.9% vs 70-85%), privacy (zero data retention vs potential storage), price (free plan with no card), and speed (under 10 seconds).

Is Quillbot worth the money?

For occasional use, Quillbot may be adequate. But for reliable bypass rates and data privacy, Essayfilter delivers better results at a lower price — with a free plan that requires no credit card.

Does Quillbot work for GPTZero?

Quillbot has mixed results with GPTZero. Essayfilter is tested weekly against live GPTZero systems and maintains a verified 99.8% bypass rate consistently.

Can I switch from Quillbot to Essayfilter easily?

Yes — it takes 30 seconds. Go to Essayfilter.com, paste your content, and click Humanize. No account needed for the free plan. Your first result will be ready in under 10 seconds.

Is Quillbot good for students?

Quillbot can work for students but has inconsistent Turnitin bypass rates. Essayfilter's Academic tone preset is specifically tuned for university-level writing and passes Turnitin with 0-3% AI scores.

Try Essayfilter Free

Free plan: 500 words, unlimited runs, no expiry. Start today.

Free plan · No credit card · Zero data retention