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DarkSquares vs Drop7 Research

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 Drop7 Research
DetailDarkSquares logo DarkSquaresDrop7 Research logo Drop7 Research
What it doesProgressive blindfold chess training from square recognition to full games Play Drop7 in your browser and follow the open-source search for a million-point strategy.
StageNot given Not given
FoundedNot given Not given
Based inFR Not given
Pricing modelFreemium Open source
PricingFree: €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. Not given
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
  • Play Drop7 in browser with interactive board
  • Fourteen different AI strategy approaches
  • Game replay and history tracking
  • Leaderboard competitions
  • Offline gameplay in Classic and Hardcore modes
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
  • Open-source research project with published experiments and reproducible results
  • No ads, purchases, or subscriptions required
  • Play same game as computer strategies for direct comparison
Free planNot given Not given
Open sourceNot given Not given
PlatformsNot given Not given
Public APINot given Not given
Community votes00
DR (Domain Rating by Ahrefs)25 no change since last check5 −1 (down) since last check
Trust Flow (Majestic)236
Citation Flow (Majestic)3127
Referring domains (Majestic)4546

4 details filled in for both companies.

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