Free on iPhone, iPad, Mac, Vision Pro
Every time control from bullet to FIDE Classical. Real-time web sharing. Byo-yomi and multi-stage. All in a clock your opponent won't stop staring at.
Free · No account required · No ads · No tracking
Black
1:19:34
Move 19/40
White · to move
1:29:51
Move 20/40
Screens
Every screen crafted for a chess player — not a spreadsheet.

Every Mode
Tap any thumbnail. All screenshots are actual iPhone captures.
Features
Everything a chess player needs. Nothing that gets in the way.
Sudden death, Fischer, Bronstein, US/Simple delay, byo-yomi, Canadian byo-yomi, hourglass, negative time. Every increment style used in modern chess and Go.
Classical 40/90 + 30/30 + SD/30 with per-stage increments and move counters. Built to tournament specification — not an approximation.
Generate a 6-character code and spectators watch the clock live in any browser. No account required, no app install for viewers.
Per-move deltas, per-side stats (moves, total time, average, longest think), and a full timeline you can scroll through after the game.
Match count, win/loss ratios by color, flag falls, resignations, average think time, longest think, time-trouble moves, and play streaks.
Wood, DGT, OLED, Tournament, Neon, Retro LED. Match the aesthetic of your game — from classic tournament hall to modern minimalist.
The active clock ticks down on your Lock Screen and in the Dynamic Island so you can glance without unlocking.
iPhone, iPad, Mac Catalyst, visionOS. One purchase, every screen. iCloud sync for game history across all your devices.
Time Controls
From 1-minute bullet to a 90+30 FIDE Classical marathon — plus Go byo-yomi and Shogi. All built in.
Fastest chess. Millisecond decisions.
The dominant online chess tempo.
Enough time to plan, but no lounging.
Long thinking. Real chess.
Per-stage increments and move counters.
Stone counting and byo-yomi periods, not adaptations.
+ fully custom time controls if none of the built-in presets fit your game.
Real-Time Sharing
Show your match live to coaches, teammates, or spectators — from over-the-board play to online exhibitions.
Pick your time control and tap Start Match. The clock is ready in one tap.
Chess Clock generates two 6-character codes: one that can edit the clock, one that's view-only.
Send the code. Viewers open chess-clock.app and see the clock tick in real time. No app install, no account.
Themes
Change the whole feel of your clock with a single tap.
Classic tournament wood board vibe.
Inspired by DGT tournament clocks — pure and readable.
True black. Eye-friendly for late-night blitz.
The official hall look — cream and slate.
Retrowave energy for fast blitz sessions.
80s digital clock. Every second feels dramatic.
FAQ