STRUT 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.

STRUT compared with Undetectable AI
Detail	STRUT	Undetectable AI
What it does	AI workspace and notebook for long-form writing	Detect AI, humanize your writing, and enhance your creative work
Stage	Not given	Not given
Founded	Not given	2023
Based in	Not given	US
Pricing model	Freemium	Freemium
Pricing	Free: $0, includes one project with up to three documents, unlimited notes and version history, imported sources, and 50,000 lifetime starter AI tokens. Pro monthly: $9.99/month with 1,000,000 AI tokens per month. Pro annual: $69.99/year with 1,000,000 AI tokens per month.	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	AI writing operations scoped to a passage (expand, outline, strengthen, summarize, critique, tone, plot, rewrite) Long-form projects keeping notes, sources, documents, versions together Voice Profile keeps whole manuscripts in consistent voice Audio notes transcribed into the project Long-form editor with outline navigation, word goals, focus mode, and local style statistics	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	All writing and organization features work without AI; AI is optional AI operates on your notes and sources, not a blank prompt, keeping context across sessions Text never used to train AI models; all writing remains private Every AI result appears as a suggestion beside the draft; nothing rewrites in place without approval One project holds multiple chapters with notes and sources; suitable for book-length manuscripts	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)	43 −2 (down) since last check	79 no change since last check
Trust Flow (Majestic)	18	18
Citation Flow (Majestic)	35	47
Referring domains (Majestic)	324	4196

5 details filled in for both companies.

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