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
Native iOS and Android apps with Swift/SwiftUI and Kotlin/Jetpack Compose
Flutter and cross-platform development
Full product lifecycle from idea to App Store and Google Play
UX and interface design
Backend and API development
HTML5 browser games with cloud sync
Free-to-download apps with optional in-app upgrades
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
Small independent studio shipping published games and apps to millions
15 titles live in stores plus 6 free browser games
Full in-house product ownership from design through store launch
Client work published and maintained from the studio's developer account
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
HashCoreAI
Explain My Chess