DarkSquares vs ReplayChess

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

DarkSquares compared with ReplayChess
Detail	DarkSquares	ReplayChess
What it does	Progressive blindfold chess training from square recognition to full games	Master chess through legendary games by replaying iconic positions and testing your calculation against the engine
Stage	Not given	Startup
Founded	Not given	2026
Based in	FR	Not given
Pricing model	Freemium	Freemium
Pricing	Free: €0 forever with unlimited exercises, games vs AI, and access to levels 1-3. Pro Lifetime: €39 one-time payment for all 7 levels, all 8 AI difficulties, famous games library, endgame training, and intermediate tactics.	Player plan: $4.99 per month or $50 per year. Yearly billing saves 16% and works out to $4.17 a month. Includes unlimited positions, record and export, 1080p quality, and basic AI analysis. 30-day money-back guarantee.
Key features	7 progressive training levels from square colors to full blindfold games Unlimited exercises and games against AI Voice-controlled play in 6 languages Progress tracking and achievement system Cross-device synchronization Famous grandmaster games to replay blindfolded Endgame training module Multiple board visibility modes Tactical puzzles and exercises	Replay iconic chess positions from legendary games Test calculation against AI engine Challenge friends with shareable links Compare continuation against best engine line Game recording and export Basic AI analysis 1080p quality output Play against engine from any position Curated library of historic positions Free position challenges without account
What makes it different	Systematic progression from fundamentals to blindfold mastery, not just a side effect of puzzle training Free tier is genuinely free with no dark patterns or engagement manipulation One-time €39 lifetime payment with no subscription required Built and maintained by a single indie developer actively improving the product Available across web, iOS, and Android with unified account	Play from the exact moment of legendary games, not just study them Designed for pausing chess videos to calculate positions Step into the shoes of chess legends at critical game moments Compare your moves directly against engine analysis Built by an indie hacker solving a personal chess problem
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)	25 no change since last check	24 no change since last check
Trust Flow (Majestic)	23	20
Citation Flow (Majestic)	31	24
Referring domains (Majestic)	45	102

5 details filled in for both companies.

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