Linguix 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.

Linguix compared with AI Undetectable
Detail	Linguix	AI Undetectable
What it does	AI-powered grammar checker and writing assistant for clear, error-free communication	Check AI-likelihood, humanize robotic passages, and review meaning with an undetectable AI writing workflow built for careful editing.
Stage	Established	Not given
Founded	2018	Not given
Based in	US	Not given
Pricing model	Freemium	Freemium
Pricing	Free plan includes grammar and spelling checks, basic AI suggestions, limited paraphrasing, typing shortcuts, and browser extension. Linguix Pro costs $11.67/month (billed $140 annually) and includes advanced grammar and style suggestions, more AI-powered writing help, advanced paraphrasing, unlimit	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	AI-based writing assistant with grammar, punctuation and style suggestions Text Rewriter to instantly rewrite sentences Content Quality Score analyzing sentence length and vocabulary complexity Intelligent shortcuts to reduce typing time by 90% Style Guides for consistent corporate communications Team Management with performance stats and employee activity reports Works across multiple platforms including Gmail, Google Docs, and millions of websites Advanced paraphrasing with tone, length, and clarity adjustments Priority support for Pro subscribers	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	Supports six languages for global teams Rewriting technology makes sentences compelling and native-sounding Helps teams maintain brand voice consistency through shared style guides Available across multiple apps and devices with single account	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)	65 no change since last check	9 no change since last check
Trust Flow (Majestic)	11	6
Citation Flow (Majestic)	42	30
Referring domains (Majestic)	1123	77

5 details filled in for both companies.

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