Free: $0. Pro: $9.99/month, $69/year, or $149 lifetime (early-bird for first 100 buyers, then $249). Pro covers up to 100 Coach-explained games and 50 scoresheet photos per month.
Key features
Click ducks to earn in-game currency (Ducket$)
Autoducker for passive income generation
Purchase upgrades to increase earnings
Customize duck with clothing and accessories
Catch floating bonus ducks for rewards
Achievement system with unlockable rewards
Automatic game progression saving
Mobile and desktop responsive design
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
Educational gameplay that teaches math, strategic thinking, and resource management
No downloads or installations required
Passive income through Autoducker even when away
Suitable for all grade levels
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
Explain My Chess