Undetectable AI vs StealthWriter

A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.

Undetectable AI compared with StealthWriter
Detail	Undetectable AI	StealthWriter
What it does	Detect AI, humanize your writing, and enhance your creative work	Rewrite AI-generated content into natural, human-like writing
Stage	Not given	Not given
Founded	2023	Not given
Based in	US	US
Pricing model	Freemium	Freemium
Pricing	Free tier with limited features. Paid plans: $5/month (yearly at $60), $9.50/month (yearly at $114), $15.75/month (yearly at $189), $21.25/month (50,000 words/month). Monthly options: $9.99, $19.00, $31.00, $42.50. Business plans available with custom pricing.	Free: 10 humanizations/day, 10 AI scans/day, 1,000 words per input. Starter: $20/mo — 50 humanizations/day, 50 AI scans/day, 5,000 words per input. Plus: $50/mo — 150 humanizations/day, 150 AI scans/day, 5,000 words per input. Pro: $100/mo — 350 humanizations/day, 350 AI scans/day, 5,000 words per i
Key features	Multi-model AI text detection across multiple detectors AI humanizer that rewrites text to sound naturally human Chrome Extension for detection and humanization anywhere online Support for 50+ languages including English, Spanish, French, German, Chinese, Japanese Money-back guarantee if output flagged as AI API access with personal use and redistribution plans	Humanize AI text with light, medium, or aggressive rewrite levels AI detector to scan writing before and after humanization Sentence-by-sentence analysis with color-coded highlights Choose from multiple alternative rewrites for each sentence Fast processing in seconds Support for multiple languages including Spanish, French, German, Italian, Portuguese, Dutch Web-based app with no downloads or installation required Works on desktop, tablet, and mobile browsers Preserves original meaning while improving readability
What makes it different	Proprietary humanizer fine-tuned on specific consenting human writers for hyper-specialized rewriting Rated #1 Best AI Detector by Forbes Outputs verified to pass all major AI detectors	Clean, grammatically correct output ready to use as-is Works with any AI tool including ChatGPT, Claude, Gemini, and more Multiple rewrite levels for fine-grained control over output No technical knowledge required to use Faster processing than competitor tools
Community votes	0	0
DR (Domain Rating by Ahrefs)	79 no change since last check	58 no change since last check
Trust Flow (Majestic)	18	13
Citation Flow (Majestic)	47	40
Referring domains (Majestic)	4196	849

6 details filled in for both companies.

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