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StealthWriter vs AI Undetectable

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

StealthWriter compared with AI Undetectable
DetailStealthWriter logo StealthWriterAI Undetectable logo AI Undetectable
What it doesRewrite AI-generated content into natural, human-like writing Check AI-likelihood, humanize robotic passages, and review meaning with an undetectable AI writing workflow built for careful editing.
StageNot given Not given
FoundedNot given Not given
Based inUS Not given
Pricing modelFreemium Freemium
PricingFree: 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 3-day free trial. Basic plan: $5.00/month (10,000 credits/month, charged annually at $60.00). Pro plan: $9.50/month (20,000 credits/month, charged annually at $114.00). Business plan: $15.75/month (35,000 credits/month, charged annually at $189.00). Basic uses 1 credit per input word; Stealth uses 2
Key features
  • 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
  • Support for five languages: English, Spanish, French, German, and Portuguese
  • Side-by-side comparison of original and rewritten versions
  • Preserves facts, names, numbers, and important claims during rewriting
  • API-ready access on Business plan
  • Priority rewriting access on Business plan
What makes it different
  • 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
  • Combines detector, humanizer, and review tools in one workspace instead of switching between disconnected tools
  • Rebuilds paragraph structure and sentence rhythm rather than just replacing words
  • Treats detector scores as review signals rather than guaranteeing bypass of detection
  • Published benchmark showing both successful and failed rewrites for transparency
  • Money-back guarantee if rewritten text is flagged as not human
Community votes00
DR (Domain Rating by Ahrefs)58 no change since last check9 no change since last check
Trust Flow (Majestic)136
Citation Flow (Majestic)4030
Referring domains (Majestic)84977

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