Unbot AI vs QuillBot AI Humanizer

QuillBot is best known for its paraphraser, and its AI humanizer is part of the same toolkit. The free version is limited to short passages; the full version comes with QuillBot Premium. Here's how it compares with Unbot AI for turning a full AI draft into something that reads like you.

The short answer

Pick QuillBot if you want a cheap all-in-one toolkit with a paraphraser, grammar checker, summarizer and citations. Pick Unbot AI if you need to humanize full essays in one go, check the AI score, and get a Turnitin report.

Side by side

What it's built for
Unbot AI:Rewrites AI drafts so they read like a person wrote them
QuillBot:Part of a writing toolkit: paraphraser, grammar, summarizer, citations
Free to try
Unbot AI:300 words when you sign up
QuillBot:Free humanizer, up to 100 words at a time with limited use
Paid price (US)
Unbot AI:Word pack $4.99 (5,000 words, never expire). Plans from $9.99/month, or $5.99/month billed yearly
QuillBot:Premium $19.95/month, or $8.33/month billed yearly ($99.95)
Length per run
Unbot AI:Up to 3,000 words per rewrite
QuillBot:Up to 100 words free; full access with Premium
AI detector
Unbot AI:One-click AI score next to your text
QuillBot:Included (limited on the free plan)
Turnitin check
Unbot AI:Real Turnitin report, $2.50 per check
QuillBot:Not offered
Word-level editing
Unbot AI:Click any purple word to swap it, rephrase one sentence, keep every version
QuillBot:Synonym slider and modes in the paraphraser
Other writing tools
Unbot AI:Focused on humanizing and checking
QuillBot:Paraphraser, grammar checker, summarizer, citation generator, translator

QuillBot details are from quillbot.com, checked in October 2026. Prices are in US dollars and can change.

Where each one wins

Where QuillBot is better

  • A whole toolkit for one price: paraphraser, grammar checker, summarizer, citation generator and more.
  • Low yearly price if you'll use all of those tools.
  • Apps and extensions for Chrome, Word, macOS, Android and iOS.

Where Unbot AI is better

  • Humanize a full essay of up to 3,000 words in one run, instead of 100-word pieces.
  • AI score with one click, right next to your rewrite.
  • Real Turnitin similarity and AI reports for $2.50 a check.
  • Pay once with a $4.99 word pack instead of a subscription.

Pricing compared

QuillBot's free plan humanizes up to 100 words at a time, with limited use. QuillBot Premium costs $19.95 a month, or $8.33 a month billed yearly ($99.95) in the US; prices differ by country.

Unbot AI gives you 300 free words when you sign up. After that, a one-time word pack is $4.99 for 5,000 words that never expire, or plans start at $9.99 a month ($5.99 a month billed yearly).

Try it on your own draft

Paste a paragraph, watch it rewrite, then check the AI score. 300 words free when you sign up.

0 words

Humanized

Your humanized text appears here, paragraph by paragraph. Then click any purple word to swap it.

Purple words swap on click

Questions

Partly. QuillBot's free plan humanizes up to 100 words at a time with limited use. Full access comes with QuillBot Premium.

Sounds like a bot? Unbot it.

Sign up and get 300 words free. No card needed.

Humanize my text