OpenTabs 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.

OpenTabs compared with Hotel Ninja
Detail	OpenTabs	Hotel Ninja
What it does	Your open tabs, grouped, on every new tab	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	Open source	Free
Pricing	Free, under the AGPL-3.0-or-later licence. No paid plans, trials or cards.	Not given
Key features	Shows open tabs from every window grouped by site Close all tabs from a site in one click Close duplicate tabs in one press Merge windows into one Customizable briefing with news topics, markets, weather, calendar and to-do list Optional end-to-end encrypted sync between browsers No account required Instantly loads with no network requests on tab open Automatic stale new tab page closing Works completely offline after initial configuration	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	Only tab manager that shows actual open tabs on the new tab page itself Completely private by design with no account, no tracking and no server storage Zero network delay when opening new tabs Optional sync is end-to-end encrypted so the server never sees your data	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)	Not checked yet no change since last check	3 no change since last check
Trust Flow (Majestic)	0	1
Citation Flow (Majestic)	13	11
Referring domains (Majestic)	3	16

4 details filled in for both companies.

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