AI Undetectable vs GramBook

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

AI Undetectable compared with GramBook
Detail	AI Undetectable	GramBook
What it does	Check AI-likelihood, humanize robotic passages, and review meaning with an undetectable AI writing workflow built for careful editing.	Translate one thought into ten social media dialects, running locally on your phone with no account or cloud.
Stage	Not given	Not given
Founded	Not given	Not given
Based in	Not given	US
Pricing model	Freemium	Freemium
Pricing	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	Free: 1 rewrite per day. GramBook Unlimited: $1.99 a week or $42 a year.
Key features	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	Runs entirely on device with no cloud or servers Unlimited regeneration to get different versions Works in airplane mode Exports rewrites as customizable meme cards Supports 16 languages with Apple Intelligence
What makes it different	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	Keeps all text local on your device with zero cloud processing or data transmission Generates platform-specific content for each social network simultaneously Free tier with one daily rewrite and no account setup Works offline in airplane mode without any account or subscription
Community votes	0	0
DR (Domain Rating by Ahrefs)	9 no change since last check	6 no change since last check
Trust Flow (Majestic)	6	1
Citation Flow (Majestic)	30	22
Referring domains (Majestic)	77	11

5 details filled in for both companies.

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