Explain My Chess vs Quads

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

Explain My Chess compared with Quads
Detail	Explain My Chess	Quads
What it does	Free chess game review that tells you why	Don't hand them the win
Stage	Not given	Not given
Founded	Not given	Not given
Based in	Not given	Not given
Pricing model	Freemium	Freemium
Pricing	Free: $0. Pro: $9.99/month, $69/year, or $149 lifetime (early-bird for first 100 buyers, then $249). Pro covers up to 100 Coach-explained games and 50 scoresheet photos per month.	Free to play with ads. Optional one-time purchase to remove ads, and separate purchase to unlock two extra board themes.
Key features	Accuracy scoring based on winning chances Move labels: inaccuracy, mistake, blunder No account required for free review Import games from Lichess or Chess.com Coach written explanations in plain language Scoresheet photo to PGN conversion Suspected mistakes checked twice at greater depth	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	Honest labeling: mistakes rechecked deeper before labeling No uploads for free review: analysis runs locally in your browser Free review never requires account or has daily limits One-click review for returning users with remembered username	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)	2 +2 (up) since last check	1 +1 (up) since last check
Trust Flow (Majestic)	0	4
Citation Flow (Majestic)	0	15
Referring domains (Majestic)	0	4

5 details filled in for both companies.

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