ClockKeepers / Guides
Guides

ClockKeepers guides

Honest comparisons, setup how-tos and one page per timer preset, each with a link to run it now.

Comparisons

ClockKeepers vs SmartWOD Timer

An honest comparison of ClockKeepers and SmartWOD Timer: how each puts a workout clock on a gym TV, ads, price model, and where SmartWOD is ahead (workout log, Apple Watch). Dated October 2026.

ClockKeepers vs Seconds Pro

An honest comparison of ClockKeepers and Seconds Pro Interval Timer: both $7.99 once, no subscription. Where Seconds wins (builder depth, Apple Watch, music, Health) and where ClockKeepers adds a live shared TV display. Dated October 2026.

ClockKeepers vs ClassroomScreen

An honest comparison of ClockKeepers and ClassroomScreen for classroom timers: control the projector from your phone, price, and where ClassroomScreen wins (free widgets, teacher familiarity). Dated October 2026.

ClockKeepers vs Stagetimer

An honest comparison of ClockKeepers and Stagetimer: controller plus viewer link, free viewers (5 vs 3), price ladder ($7.99 once vs from $210 a year), and where Stagetimer wins for events. Dated October 2026.

How-to

Workout timer on a gym TV

Put a Tabata, EMOM or AMRAP timer on a gym TV with no Chromecast, no cast stick and no app on the TV: run it on your phone and open a browser on the TV. Four ways, compared honestly.

Shared timer link

Share one timer with every phone, tablet and TV in the room using a link, QR code or 5-letter code, with no account and nothing to install on the viewing screens. What is free and what is not.

Timer presets

Tabata timer

A free Tabata timer with the classic 20 seconds work, 10 seconds rest, 8 rounds, a 10 second prep and phase colors. Run it in your browser, or broadcast it to a gym TV.

EMOM timer

A free EMOM timer that restarts every 60 seconds. The preset runs 10 minutes with a 10 second prep and a clear minute count; edit the rounds for any length. Run it now in your browser.

AMRAP timer

A free AMRAP timer: the preset is a 12 minute countdown with a 10 second prep. Change the time, show it on a gym TV, and keep the clock visible to the whole room. Run it now.

Boxing round timer

A free boxing round timer: 12 rounds of 3 minutes with 1 minute rest and a 10 second prep, with work and rest phase colors. Edit it for amateur, youth or sparring rounds, and show it on a gym TV.

Pomodoro timer

A free Pomodoro timer: 25 minute focus blocks and 5 minute breaks, 4 rounds, with focus and break phase colors. Run it now, or share it with a class or study group using a link.

Speech timer

A free speech timer: a 7 minute countdown with a 2 minute and 1 minute warning, so the speaker sees it turn amber and then red. Edit the time for debate, toastmasters or class presentations.

Courts and tournaments

Pickleball court clock

A free pickleball round timer and tournament court clock: timed rounds with a switch-courts break, shown on a TV or on every player's phone. Pairs with BracketKeepers for the bracket.

Try it now. It is free.

One timer and five viewers free, no account, no ads. ClockKeepers Pro is $7.99 once.