Tempest

This companion app enhances the Tempest Game Clock (sold separately at tempestclock.com). A high-definition, full-color display on your Android phone transforms this unique, tournament-style, weighted game clock. This app is exclusively for Tempest Game Clock owners: a deluxe, weighted chess clock with a patented precision rocker controller (not touchscreen). It provides clear analog and digital timing with customizable settings, including increments, delays, sudden death, and overtime controls. Ideal for chess, backgammon, Go, Scrabble, Othello/Reversi, checkers/draughts, and other board games. Tempest boasts a dedicated Tournament Mode, disabling all phone/text functions during rated games, adhering to FIDE and USCF regulations. View the clock in action and order yours at tempestclock.com.