Sealis vs StealthWriter

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

Sealis compared with StealthWriter
Detail	Sealis	StealthWriter
What it does	Your voice, kept yours, wherever AI writes or speaks for you	Rewrite AI-generated content into natural, human-like writing
Stage	Not given	Not given
Founded	Not given	Not given
Based in	AU	US
Pricing model	Freemium	Freemium
Pricing	Free: A$0/month with 10 rewrites per month and 1 voice. Pro: A$11.99/month with 150 rewrites per month (currently on waitlist). Studio: A$34.99/month for up to 5 clients, each with their own voice, 300 rewrites per month, and client approval pages.	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	Rewrite drafts in your voice while keeping facts, numbers and dates unchanged Measure drafts for stock phrases, rhythm, word choice and punctuation Save and learn from your writing style with every correction Studio: save a voice per client with approval pages Free Score tool with no signup required	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	Automatically flags when rewrites drop or add numbers, dates or names without user approval Learns from your corrections to improve rewrites over time Preserves formality level and register while removing template phrases Works across text, audio and visual formats with consistent voice Built on published research and test results	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)	1 no change since last check	58 no change since last check
Trust Flow (Majestic)	3	13
Citation Flow (Majestic)	20	40
Referring domains (Majestic)	6	849

6 details filled in for both companies.

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