Index 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.

Index compared with Hotel Ninja
Detail	Index	Hotel Ninja
What it does	Keep work, personal life, and every project in its own space. Switch between them without closing tabs or losing your place.	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	Free	Free
Pricing	Not given	Not given
Key features	Spaces, each holding its own groups that open as Chrome tab groups Favorites: up to eight pinned pages that stay with you in every space Sleeping tabs that go out of sight and come back when clicked Hundreds of themes Rewind function keeping a week of changes on your computer Export one JSON file to share with AI assistants like ChatGPT or Claude Search any group, space or link from any page Private by design with no account, server, or network requests	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	Keeps a week of changes you can rewind through on your computer Sleeping tabs preserve your place while keeping them out of sight	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)	20 no change since last check	3 no change since last check
Trust Flow (Majestic)	0	1
Citation Flow (Majestic)	9	11
Referring domains (Majestic)	7	16

4 details filled in for both companies.

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