CardGo.AI vs Hotel Ninja

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

CardGo.AI compared with Hotel Ninja
Detail	CardGo.AI	Hotel Ninja
What it does	AI context cards for ChatGPT, Claude, Gemini, Perplexity and Grok	Free Chrome extension that compares hotel prices across booking sites with final checkout prices
Stage	Not given	Not given
Founded	Not given	Not given
Based in	Not given	ES
Pricing model	Freemium	Free
Pricing	Free plan: $0 forever, 7 cards, CardGo AI: 10 messages and 10 hosted analyses a day. Pro plan: $9.90 per month, 50 cards, CardGo AI: 100 messages and 100 hosted analyses a day. Max plan: $19.90 per month, Unlimited cards, CardGo AI: 300 messages and 300 hosted analyses a day.	Not given
Key features	Save context once as encrypted cards with seven sections End-to-end encrypted with AES-256-GCM Works with ChatGPT, Claude, Gemini, Perplexity and Grok Sync across devices Card suggestions while typing Create multiple context cards with different details Filter sensitive details before sharing Dream cards feature to auto-generate card suggestions	Same-room price comparison across booking sites Matches exact room type and guest configuration including children's ages Compares seven booking sites: Booking.com, Expedia, Hotels.com, Agoda, Trip.com, Travelocity and Orbitz
What makes it different	One card works across five different AI services Eliminates need to re-explain context to each AI chat No credit card required to start Context attached only when you choose	Works directly on the booking page you're already on without starting a new search Completely free with no account, subscription or data collection requirements Rated 5.0 stars on the Chrome Web Store
Free plan	Not given	Not given
Open source	Not given	Not given
Platforms	Not given	Not given
Public API	Not given	Not given
Community votes	0	0
DR (Domain Rating by Ahrefs)	3 no change since last check	3 no change since last check
Trust Flow (Majestic)	0	1
Citation Flow (Majestic)	26	11
Referring domains (Majestic)	41	16

4 details filled in for both companies.

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