Sealis vs Undetectable AI

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 Undetectable AI
Detail	Sealis	Undetectable AI
What it does	Your voice, kept yours, wherever AI writes or speaks for you	Detect AI, humanize your writing, and enhance your creative work
Stage	Not given	Not given
Founded	Not given	2023
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 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.
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	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
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	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
Community votes	0	0
DR (Domain Rating by Ahrefs)	1 no change since last check	79 no change since last check
Trust Flow (Majestic)	3	18
Citation Flow (Majestic)	20	47
Referring domains (Majestic)	6	4196

6 details filled in for both companies.

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