Plagiarism Checker X vs StealthWriter (2026): Pricing, Features & Which to Choose

Who comes out ahead

Based only on the facts in our directory. The right pick still depends on the job you need done.

Lower starting price
StealthWriter
From $20/mo against from $39.95/mo
Free plan
Tie
Both have one
Higher rating
Plagiarism Checker X
3.6 against 2.9
Same job?
Yes
Both are Writing tools

Side by side

Compared on	Plagiarism Checker X	StealthWriter
Our rating	3.6Better	2.9
Starts at	$39.95/mo	$20/moBetter
Free plan	Yes	Yes
Category	Writing	Writing
Plans	From $39.95/mo	From $20/mo
Key features	AI Content Detector that indicates AI-written text Scans against billions of web pages Compares documents against each other Runs on the desktop, with files staying on the user's computer Free download plus a Pro version	AI humanizer with light, medium and aggressive modes Bundled AI detector to verify the output Deep Scan sentence-by-sentence analysis Alternative rewrites per sentence V2 detection technology
Pros	Files are not uploaded to an external database Free download to try before buying Detects only, and does not modify text	Sentence-level control rather than one blanket rewrite Free tier before any of the paid plans Detector included, so results are checkable
Cons	Windows only AI detection gives an indication, not proof Whether the $39.95 Pro price is one-time or recurring is not stated	Its purpose is defeating detection, and students are the first audience named Submitting rewritten work is academic misconduct at most institutions Detector evasion is an arms race; today's pass is tomorrow's fail
Company	Plagiarism Checker X	AiVantage LLC

Prices come from each vendor's pricing page, last checked 20261006. Check the vendor before you buy.

FAQ

Questions people ask

Is Plagiarism Checker X better than StealthWriter?

In our reviews Plagiarism Checker X scores 3.6 and StealthWriter scores 2.9. The better pick depends on the job. Plagiarism Checker X: Windows desktop plagiarism checker that compares a document against billions of web pages and against other documents, with an AI Content Detector that indicates whether text came from an AI tool. StealthWriter: Rewrites AI-generated text to defeat AI detectors, and ships a detector to check the result.

Which is cheaper, Plagiarism Checker X or StealthWriter?

StealthWriter has the lower starting price: from $39.95/mo for Plagiarism Checker X and from $20/mo for StealthWriter.

Do Plagiarism Checker X and StealthWriter have free plans?

Yes, both have a free plan.

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