Master chess through legendary games by replaying iconic positions and testing your calculation against the engine
Games and apps for iOS, Android and the browser
Stage
Startup
Not given
Founded
2026
Not given
Based in
Not given
RO
Pricing model
Freemium
Free
Pricing
Player plan: $4.99 per month or $50 per year. Yearly billing saves 16% and works out to $4.17 a month. Includes unlimited positions, record and export, 1080p quality, and basic AI analysis. 30-day money-back guarantee.
Not given
Key features
Replay iconic chess positions from legendary games
Test calculation against AI engine
Challenge friends with shareable links
Compare continuation against best engine line
Game recording and export
Basic AI analysis
1080p quality output
Play against engine from any position
Curated library of historic positions
Free position challenges without account
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
What makes it different
Play from the exact moment of legendary games, not just study them
Designed for pausing chess videos to calculate positions
Step into the shoes of chess legends at critical game moments
Compare your moves directly against engine analysis
Built by an indie hacker solving a personal chess problem
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
ReplayChess
HashCoreAI