Pool Rules

Two new games — K-Ball & Rotation — plus sharper rules accuracy and refreshed Spanish/Portuguese translations throughout the app.

Pool Rules is the complete, portable reference for eight billiards games.

• Eight Ball
• Nine Ball
• Ten Ball
• One Pocket
• 14.1 Straight Pool
• Bank Pool
• Rotation
• K-Ball

Rules for the six classic games are sourced directly from the three major governing bodies — WPA, CSI (BCAPL/USAPL), and APA — plus traditional and community-sourced rules for Rotation and K-Ball. Switch between rulesets with a tap to see how the rules differ across organizations. Sections marked with a star highlight the key differences between your default ruleset and the one you're viewing.

Dark mode and light mode supported. Go ad-free with a one-time purchase.

Perfect for players, referees, and anyone who wants to settle a rules dispute at the table.