Quaternity Clock app for iPhone and iPad

Official Quaternity Chess Clock

Play timing Quaternity Chess everywere. Enjoy a full experience with the game.
Especially designed for four players, smooth and flowing interface, fitting the rules of the game.

Features:
Manually or random color selection.
Different time setups
Quickly customize the app for one-tap access to all your favorite time controls
Final Score
Save settings
Keep history
Clock pauses automatically if the app is interrupted; manually pause the clock at any time
Pleasant sounds for buttons and "times up" alert