AI Undetect Alternatives

Sites and apps similar to AI Undetect include Perplexity, which has a free version. Other options are Duey.AI, Plagiarism Remover, Syntaxx.io and HumanTone. You can choose from more than 10 AI Writing Tools like AI Undetect for Mac, Windows, Android, iPhone and iPad.

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AI Undetect alternatives page was last updated Apr 19, 2026

Rephrasy
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Guaranteed undetectable AI content. We use advanced AI humanizer to bypass AI detection like Copyleaks and Turnitin. Get started for free.
Cost / License
Paid
Proprietary
Platforms
Online
Software as a Service (SaaS)
Good alternative?Is Rephrasy a good alternative to AI Undetect?
AI Humanizer
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AI Humanizer converts your text into human-like, which allows you to bypass AI Detectors and improve the quality of the text.
Cost / License
Freemium
Proprietary
Application type
AI Content Detector
Platforms
Online
Good alternative?Is AI Humanizer a good alternative to AI Undetect?
Humanize AI
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Humanize AI is your go-to tool for turning artificial intelligence-generated text into engaging, human-like content. Its AI Humanizer technology effectively bypasses AI detectors, ensuring your content remains undetectable and authentic.
Cost / License
Paid
Proprietary
Application typeApplication types
AI Writing
AI Content Detector
Platforms
Online
Software as a Service (SaaS)
Good alternative?Is Humanize AI a good alternative to AI Undetect?
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Duey.AI
AI-based tool supporting students with thesis creation, essay drafting, source identification, citation help, and editing. Features assignment-specific guidance, academic integrity tools, evasion of detection software, and cloud ...

https://www.duey.ai
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AI Checker
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AI Checker can identify AI-generated content in various texts. It classifies into 5 levels: completely human-written, mostly human-written, mixed, mostly AI-written, and completely AI-written.
Cost / License
Free
Proprietary
Platforms
Online
Good alternative?Is AI Checker a good alternative to AI Undetect?
MyPaperClean
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An AI-powered writing assistant that humanizes AI-generated text, provides citations, and automates academic document structuring.
Cost / License
Paid
Proprietary
Platforms
Online
Good alternative?Is MyPaperClean a good alternative to AI Undetect?