Spider Solitaire vs Quads

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

Spider Solitaire compared with Quads
Detail	Spider Solitaire	Quads
What it does	Free online card game with no download or account required	Don't hand them the win
Stage	Not given	Not given
Founded	Not given	Not given
Based in	Not given	Not given
Pricing model	Free	Freemium
Pricing	Not given	Free to play with ads. Optional one-time purchase to remove ads, and separate purchase to unlock two extra board themes.
Key features	1, 2 and 4 suit difficulty levels Touch and mouse controls Keyboard shortcuts	Pass-and-play for two players on one device Daily puzzle Challenge a friend with puzzle codes Eight language support Fully offline gameplay Tablet-optimized layout Optional ad-free upgrade
What makes it different	No download or account required to play Works on any device with a modern web browser Game progress saved automatically in browser Unlimited undo to explore strategies risk-free Multiple difficulty levels for all skill levels	Your opponent chooses the piece you place, creating unique strategic tension Playable completely offline with no account required Challenge friends asynchronously using puzzle codes Five AI difficulty levels including unlockable Grandmaster mode
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)	15 +1 (up) since last check	1 +1 (up) since last check
Trust Flow (Majestic)	0	4
Citation Flow (Majestic)	10	15
Referring domains (Majestic)	3	4

4 details filled in for both companies.