🚀 2400+ AI tools in the Mega Directory — catalogue updated November 2026.

Undetectable AI

AI writing tool that rewrites machine-generated text to read more naturally human.

Writing AssistantsPaidCheck official site

Undetectable AI is a tool that rewrites AI-generated text so it reads more like human writing and is less likely to be flagged by AI detectors. It also includes its own AI detector and a plagiarism checker, so you can check the result in the same place.

Key Features

  • AI text humaniser that rewrites drafts
  • Built-in AI content detector
  • Plagiarism checker
  • Multiple readability levels
  • Support for several languages
  • API access for teams

Pricing

PlanPriceDetails
PricingCheck official siteSee the official site for current plans.

Prices as listed in 2026 research. Always check the official site for the latest price — plans change. Free plan: No free plan — paid plans only.

Best for: writers who want AI drafts rewritten to sound more natural.
Popular with: Writers, Students, Marketers

How it works

The tool is marketed to students, marketers, and writers who use AI drafts and want them to sound natural. You paste in text, choose a readability level, and get a rewritten version that keeps the meaning while changing the phrasing and rhythm.

Undetectable AI is a paid subscription with a free trial, priced by word count. It does what it claims for many detectors, but no tool can guarantee to pass every detector, and using it to disguise AI-written work for academic submission can breach academic integrity rules.

Pros and Cons

✓ Pros

  • Rewrites are usually natural-sounding
  • Detector and checker in the same tool
  • Free trial available

✗ Cons

  • No permanent free plan
  • Cannot guarantee passing every detector
  • Academic misuse is an integrity risk

Frequently Asked Questions

Is Undetectable AI free?

No — Undetectable AI has no free plan. Check official site

What is Undetectable AI best for?

writers who want AI drafts rewritten to sound more natural.

What kind of tool is Undetectable AI?

Undetectable AI is a Writing Assistants tool on VerlumoAI.

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QuillBot

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Paraphrasing and writing tool for clearer, original text.

Free plan; Premium $8.33/mo (annual billing)
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PlagScan

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Plagiarism detection trusted by universities and publishers — discontinued after Turnitin’s acquisition.

Discontinued — acquired by Turnitin; users moved to Turnitin Similarity
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Last reviewed: November 2026

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