Bullet, blitz, rapid and classical with Fischer, Bronstein and delay — plus tournament controls, handicap and beautiful themes. Tap a time control and play right now, or get the native app for haptics, themes and stats.
Free · No ads · Plays in your browserIt keeps the things the most popular chess clock got right — free, no ads, instant — and adds everything it left out.
Fischer, Bronstein, simple (US) delay, or sudden death — all built in, done right.
Multi-stage time controls like 40 moves in 90 min, then 30 min — with per-move increment.
Build any cadence with one tap, save your favourites, and give each side a different clock.
Graphite & Amber, Midnight, Classic Wood, Mono E-ink and a high-contrast colorblind theme.
Tactile feedback on every move and a flag buzzer — so you never look down in a time scramble.
No accounts, no tracking, no in-app purchases on the essentials. Works fully offline.
Yes — the clock, every time control, custom cadences and themes are free, with no ads and no tracking.
Fischer adds a fixed bonus after every move. Bronstein gives back only the time you actually spent, capped at the increment. ChessTimer supports both, plus simple delay. Fischer Increment, Explained →
Absolutely. Any two-player turn-based game works — set a custom control and play.
No. The clock runs in your browser on any device and works offline once loaded. A native iOS and Android app is coming soon.