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Drop7 Research vs Explain My Chess

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

Drop7 Research compared with Explain My Chess
DetailDrop7 Research logo Drop7 ResearchExplain My Chess logo Explain My Chess
What it doesPlay Drop7 in your browser and follow the open-source search for a million-point strategy. Free chess game review that tells you why
StageNot given Not given
FoundedNot given Not given
Based inNot given Not given
Pricing modelOpen source Freemium
PricingNot given 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.
Key features
  • 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
  • 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
What makes it different
  • 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
  • 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
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)6 +2 (up) since last checkNot checked yet no change since last check
Trust Flow (Majestic)60
Citation Flow (Majestic)270
Referring domains (Majestic)460

4 details filled in for both companies.

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