Chess Clock Ultra
The essential dual player chess clock for over-the-board play. Free on iPhone and iPad.
Every Time Control You Need
Two independent timers for each player. Tap to switch turns. Simple, reliable, and beautifully designed for over-the-board chess.
Whether you're playing a quick blitz game at a coffee shop or a serious classical match at your chess club, Chess Clock Ultra has you covered with preset and fully customisable time controls.
Supports portrait and landscape orientations with adaptive layouts that look great on any device.
App Store
Google Play
Time Controls
Blitz
Fast-paced games for quick matches. Preset blitz time controls ready to go.
Rapid
A balance of speed and strategy. Enough time to think, fast enough to keep it exciting.
Classical
For serious, thoughtful play. Long time controls for tournament-style games.
Custom
Create your own time controls with multiple stages for complete flexibility.
Increment Types
Fischer
Time added after each move. The most widely used increment system in modern chess.
Bronstein
Time added up to move duration. You can never gain time, only avoid losing it on quick moves.
Simple Delay
A countdown before the clock starts ticking. Think for free during the delay period.
No Increment
Pure countdown. A fixed amount of time and nothing more. Classic sudden-death chess.
More Features
Multi-Stage Support
Set different time settings after a specified number of moves, just like tournament play.
Favourites
Star your frequently used time controls for quick access. Get playing faster.
Adaptive Layout
Works beautifully in portrait and landscape. The layout adapts to your device and orientation.