ZeroGPT vs Skill Check

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

ZeroGPT compared with Skill Check
Detail	ZeroGPT	Skill Check
What it does	AI content detector and writing toolkit for identifying AI-generated text and improving writing quality	AI agent skill readiness checker that grades paperwork and permissions
Stage	Not given	MVP
Founded	Not given	Not given
Based in	US	Not given
Pricing model	Freemium	Free
Pricing	Free plan available with no credit card required. Personal and Business/EDU plans with monthly or annual billing options. Annual plans offer 40% discount. Enterprise plans available with custom solutions. API available on pay-as-you-go basis.	Not given
Key features	PDF report generation Plagiarism detection across billions of sources	13 rule-based checks on agent skills Scans permissions, credentials, endpoints and data handling Reads linked files up to 2 levels deep Completes scan in about 10 seconds No sign-up required Reads sites like ChatGPT and Claude do
What makes it different	Detects AI from 35+ LLM families including GPT-6, Gemini, and Claude Supports all languages with consistent accuracy User data never used for AI model training	Only free tool that checks AI agent skill paperwork before installation Uses the same reading methods as leading AI assistants Instant results with 13 standardized checks
Community votes	0	0
DR (Domain Rating by Ahrefs)	79 −1 (down) since last check	Not checked yet no change since last check
Trust Flow (Majestic)	33	0
Citation Flow (Majestic)	40	0
Referring domains (Majestic)	6289	0

4 details filled in for both companies.