Online Chess Clock
Track time for chess, go, and other turn-based games. Add multiple games and manage them all in one place.
Tournament timing in any browser.
Bullet through classical, Fischer increment, Bronstein delay, audio low-time alerts, multiple games at once. Works offline once loaded.
Multiple games at once
Run several chess clocks simultaneously — perfect for tournaments, clubs, or simul play across a few boards on a tablet.
Any time control
From bullet (1 min) through classical (multi-hour). Save your favorite formats as one-tap presets.
Fischer & Bronstein
Add time after each move (Fischer) or only when your clock dips below the increment (Bronstein delay). Both correctly implemented per FIDE.
Refresh-safe sessions
Clocks auto-save in your browser. Refresh or close the tab and come back — every running game stays intact at the exact tenth of a second.
Low-time audio alerts
Hear a warning at 30 sec, 10 sec, and on flag-fall. Never miss the flag, even when you're on the other side of the board.
Offline-first
No internet required once loaded. Coffee shops, parks, club rooms, plane mode — all fine.
Tap your side. Game on.
Setup takes under 30 seconds. The clock you didn't buy at the chess shop is already on your phone.
Name the players
Tap "Player 1" or "Player 2" to set names. Optional — defaults work for casual games.
Configure time
Settings (⋮) sets time per player and optional increment per move. Save tournament time controls as presets.
Tap to switch
After your move, tap your side to stop your clock and start your opponent's. The classic clap-the-button motion, on a phone.
Add more boards
"Add Another Game" spins up another clock for simul play, club night, or a side game between matches.
Chess Clock pricing.
Free for the local-storage version. Pro unlocks the cloud + sharing features specific to Chess Clock.
Free
Chess Clock + every other counter, saved on this device.
- Every counter type Tally, tasbih, exercise, habit, people, scorekeepers & more.
- Chess Clock — full tool Use Chess Clock free, saved on this device.
- Multi-counter dashboard Run several counters side-by-side on one screen.
- Local save Counts persist on this device. No account needed.
- Up to 50 leaderboard entries Track standings for small leagues and groups.
- Ads on most pages Supported by display advertising.
- No share links · no cloud sync Counts stay on this device only.
Ad-Free
Same app — zero ads, faster UI & priority support.
- Everything in Free All counter types, scorekeepers and host tools.
- Zero ads, anywhere No banners, no overlays, no interstitials.
- Priority email support Replies bumped to the top of the queue.
- Faster, distraction-free UI Pages load lighter without ad scripts.
- No cloud sync · no share links Counts still stay on this device only.
Pro
Cloud save, public watch links, match history & OBS overlays — what you get for Chess Clock specifically ↓
- Cloud-synced match history Every match saved with each side's time, increments, and who flagged. Open it on any device.
- Co-clock share links Two devices, one shared clock — perfect for correspondence chess or remote casual games.
- Spectator share links Friends or a coach watch the live clock + position in any browser, no signup needed.
- OBS streaming overlay Drop the clock as a browser source for chess streams. Time, increments, side-to-move, all in real time.
- Custom time-control presets Save your tournament time controls (Fischer 90+30, Bronstein 5+3, Delay 5+5) and one-tap into any.
- Move counter & analytics Time per move, average per side, longest think — see your time management at a glance.
