Guides
Interval training, timed properly.
Protocols, the numbers behind them, and how to run each one on an iPhone without watching the screen.
Protocols
20 Seconds On, 10 Seconds Off: What Each Interval Ratio Actually Does
20 seconds on, 10 seconds off is a 2:1 ratio and four minutes of work. Every common interval ratio, what it changes, and how to pick one before you set a timer.
16 Aug 2026
Boxing
Boxing Round Timer App: The Ten-Second Warning Is the Feature
A boxing round timer app has to do more than 3 minutes on, 1 minute off. The bell, the ten-second warning, and what to check before you trust one on the bag.
16 Aug 2026
Buying
Gym Timer App: Rest Timer, Interval Timer or Circuit Timer?
A gym timer app does one of three jobs, and picking the wrong one is why yours annoys you. Rest between sets, fixed intervals, and circuits with named stations.
16 Aug 2026
Buying
Interval Timer App With No Ads: How to Tell Before You Install
An interval timer app with no ads is worth finding, because the ad lands at the interval change. What to read on the App Store page, and what ad-free costs.
16 Aug 2026
Apple Watch
Interval Timer for Apple Watch: What the Built-In Workout App Does
An interval timer for Apple Watch is already on your wrist. Here is how to build work and rest blocks in Custom Workouts, and where the built-in one stops.
16 Aug 2026
Buying
Seconds Interval Timer Alternative: What to Check Before You Switch
Looking for a Seconds interval timer alternative? What Seconds actually costs and covers, the three reasons people leave, and what to check in a replacement.
16 Aug 2026
Apple Watch
Tabata Timer for Apple Watch: 20/10/8 on the Wrist
A Tabata timer for Apple Watch means 16 changes in four minutes. How to build 20 on, 10 off, 8 rounds in Custom Workouts, and what the wrist will not tell you.
16 Aug 2026
Protocols
AMRAP vs EMOM vs Tabata: What Each One Fixes and What It Leaves You
AMRAP fixes the time, EMOM fixes the work rate, Tabata fixes both. A side-by-side comparison of the three interval protocols, with the timer settings for each.
12 Aug 2026
iPhone
Best Interval Timer App for iPhone: The 7 Criteria That Decide It
How to pick the best interval timer app for iPhone: locked-screen accuracy, music ducking, warning cues, Live Activities, saved workouts and free tier shape.
12 Aug 2026
CrossFit
CrossFit Timer App: The Four Clocks a WOD Actually Needs
AMRAP, EMOM, For Time with a cap and Tabata are the four clock shapes a CrossFit session runs on. The exact work, rest and round values to type into a timer app for each.
12 Aug 2026
iPhone
Free Interval Timer App for iPhone: What Free Actually Means
A free interval timer app for iPhone comes in three shapes: ad-supported, free tier with a paid upgrade, or one-time purchase. Here is what sits behind each paywall.
12 Aug 2026
Audio
Interval Timer App With Music: Duck the Track, Don't Stop It
How an interval timer app with music should behave: ducking instead of pausing, what iOS audio sessions do when two apps want the speaker, and a one minute test.
12 Aug 2026
iPhone
Workout Timer That Runs on the Lock Screen: Why Most iPhone Timers Drift
A workout timer that runs on the lock screen has to survive iOS suspending the app. Here is the drift, worked through in rounds, and what Live Activities can actually do.
12 Aug 2026
iPhone
Does the iPhone Have a Tabata Timer?
Does the iPhone have a Tabata timer built in? Here is what the Clock app can do, what it cannot, and how interval timing actually works on iOS.
11 Aug 2026
EMOM
EMOM Timer: How to Set One Up and Actually Use It
A practical guide to the EMOM timer: what EMOM 20 means, how to set the intervals on your iPhone, rep counts that leave real rest, and tracking progress.
11 Aug 2026
HIIT
HIIT Timer for iPhone: Pick Your Work-to-Rest Ratio First
Choosing a HIIT timer iPhone setup: work-to-rest ratios, a table of common structures, and why the countdown must come from the wall clock.
11 Aug 2026
Tabata
How to Set a Tabata Timer: 20 On, 10 Off, 8 Rounds
How to set a Tabata timer in under a minute: 20 seconds work, 10 seconds rest, 8 rounds, 4 minutes total. Plus the variations people actually run.
11 Aug 2026