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Explain My Chess vs Ninefold

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 Ninefold
DetailExplain My Chess logo Explain My ChessNinefold logo Ninefold
What it doesFree chess game review that tells you why Nine letters. One hidden word.
StageNot given Startup
FoundedNot given 2026
Based inNot given US
Pricing modelFreemium Free
PricingFree: $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. Not given
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
  • New puzzle every day at midnight in local time zone
  • Build words of four or more letters using center letter
  • Each tile can be used once per word
  • Streak tracking by solving the nine-letter word
  • Archive of past puzzles available to play
  • Optional daily email subscription
  • No account or login required
  • Built for single thumb play
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
  • Same grid for everyone each day without competitive leaderboards
  • No ads, no app needed, plays in any web browser
  • Includes Journal with strategy guides and focus articles
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)2 +2 (up) since last checkNot checked yet no change since last check
Trust Flow (Majestic)00
Citation Flow (Majestic)00
Referring domains (Majestic)00

4 details filled in for both companies.

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