Sealis 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.

Sealis compared with AI Undetectable
Detail	Sealis	AI Undetectable
What it does	Your voice, kept yours, wherever AI writes or speaks for you	Check AI-likelihood, humanize robotic passages, and review meaning with an undetectable AI writing workflow built for careful editing.
Stage	Not given	Not given
Founded	Not given	Not given
Based in	AU	Not given
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.	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	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	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	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	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 votes	0	0
DR (Domain Rating by Ahrefs)	2 +1 (up) since last check	9 no change since last check
Trust Flow (Majestic)	3	6
Citation Flow (Majestic)	20	30
Referring domains (Majestic)	6	77

5 details filled in for both companies.

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