Comparison

Interval Timer vs BoxClock

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Interval Timer

This interval timer is designed for HIIT and interval training. Easily set work and rest periods, sets, and rounds to guide your workouts. It supports background operation and music playback, with an Apple Watch companion app for heart rate monitoring.

Highlights
  • Customizable work and rest periods
  • Set number of sets and rounds
  • Background operation support
  • Music playback compatibility
  • Apple Watch integration
  • Heart rate monitoring (Apple Watch)
Features
Read full description

This app is handy interval timer that helps you keep track of your work and rest periods during your HIIT interval training and workouts. The application is very easy to use, enter the Work, Rest, Sets, Rounds and start workout. You can listen to music during workouts or use the timer in the background. There is also app on the Apple Watch that will allow you to monitor your heart rate during workouts. Apple Watch app features: - iCloud sync with iPhone - integration with the Health app - monitoring heart rate during workouts

About

BoxClock

This app provides a customizable gym clock with various timer modes like EMOM, AMRAP, and Tabata. It features a clear, large display designed for visibility across a room and offers audio cues for transitions. Save your favorite workout configurations for quick access.

Highlights
  • Multiple timer modes (EMOM, AMRAP, Tabata, Custom)
  • Large, clear LED-style display
  • Customizable audio cues
  • Lock Screen and Dynamic Island integration
  • Save up to 10 workout configurations
  • No ads or subscriptions
Features
Read full description

EMOM, AMRAP, Tabata, Custom Intervals. The gym clock on your wall, but on your phone. No ads. No recipes. No workout videos. No social feed. No account to create. No subscription to forget about. Just a gym clock that does one thing extremely well. Designed to look and feel like the LED timers mounted on gym walls, BoxClock turns your iPhone or iPad into the clock you already know how to use. Glance up, read the time, get back to work. 7 TIMER MODES - EMOM (Every Minute on the Minute) — Set your rounds and interval length. Audio beeps at every minute. - AMRAP (As Many Rounds as Possible) — Countdown timer with a swipe-up round counter. - Tabata — Classic 20/10 or fully configurable work/rest intervals. Red for work, amber for rest. - Custom Intervals — Configure sets, rounds, work time, rest time, and rest between sets. Your workout, your rules. - Countdown — Set a duration and go. Big LED digits count down to zero. - Stopwatch — Count up from zero. Simple and reliable. - Clock — Real-time display in 12h or 24h format. Mount your phone on the wall. LIVE ACTIVITIES ON THE LOCK SCREEN - See your timer ticking on the Lock Screen and Dynamic Island - Round count, phase (WORK / REST), and big digits — no need to unlock - Pre-countdown "GET READY" view so you never miss the start - Pause directly from the Lock Screen and resume without opening the app LOOKS LIKE A REAL GYM CLOCK - 7-segment LED digits with visible unlit segment traces - Green digits for rounds, red for time, amber for rest - Black background, high contrast, readable from across the room - Landscape display fills your screen edge to edge AUDIO CUES - 3-2-1 beeps before every workout starts - Beeps at work/rest transitions and round changes - Alert when the workout is done - Mixes with Spotify, Apple Podcasts, and your own music — no pausing your playlist - Keeps playing with the phone face-down, in background, or with the screen locked - Plays even when your phone is on silent SAVE YOUR WORKOUTS - Bookmark up to 10 timer configurations - Tap a saved workout and go — no re-entering settings - Each mode remembers its own settings between sessions CONFIGURABLE START COUNTDOWN - Set your pre-workout countdown anywhere from 0 to 60 seconds - Set it to 0 to skip the countdown entirely and start instantly JUST A CLOCK - Screen stays on during active timers - No dimming, no interruptions - Works on iPhone and iPad - No account. No ads. No tracking. No bloat. PRICING Clock, Stopwatch, and Countdown are free forever. Unlock EMOM, AMRAP, Tabata, Custom Intervals, saved workouts, and the configurable countdown for $4.99. One time. No subscription. No "premium tier". Pay once, train forever. BoxClock is made by Tiny Delights. One app. One job. Done well.

Screenshots

Interval Timer4 screens
BoxClock4 screens

Verdict

The call

The clearest difference is rating: Interval Timer at 4.9 against BoxClock's 4.0. Interval Timer also leads on ratings volume (246 vs 1) and device support (4 vs 2). BoxClock's advantage is ads (none vs shown) and update cadence (every 2 weeks vs every 2 months). On price, in-app purchases and monetization model there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Interval Timer sells 1 one-off in-app purchase and BoxClock sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Interval Timer holds the better App Store score, 4.9 against 4.0. That said, the two scores are not equally well evidenced: Interval Timer has 246 ratings behind it against 1, so its average is the more settled of the two.

UpkeepUpdate frequency

Interval Timer ships an update every 2 months, BoxClock every 2 weeks. The most recent releases landed on October 19, 2026 and October 1, 2026 respectively.

Scorecard6 real differences · 4 level
Interval Timer versus BoxClock: the parameters behind the verdict, then further details
ParameterInterval TimerBoxClock
PriceFreeFree
Rating4.9 (246 ratings) — better4.0 (1 ratings)
Positive reviews83.5% of reviews—
Number of ratings246 — better1
Update frequencyEvery 2 monthsEvery 2 weeks — better
AdsYesNo — better
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPod, Apple Watch — betteriPhone, iPad
Requires iOS13.0 — better17.0
Further details — not scored
Size12 MB2 MB
Age rating4+4+
DeveloperYosyp HameliakCarlos Manuel Gomes Vilhena

In-app purchases

1 purchases

Interval Timer

One-time1
  • Remove Ads$4.99
1 purchases

BoxClock

One-time1
  • BoxClock Premium$4.99

Questions

Is Interval Timer free?
Interval Timer is free to download, with in-app purchases available.
Is BoxClock free?
BoxClock is free to download, with in-app purchases available.
Which has better reviews, Interval Timer or BoxClock?
Interval Timer is rated higher. Interval Timer averages 4.9 out of 5 from 246 ratings, while BoxClock averages 4.0 from 1 ratings.
Do Interval Timer or BoxClock have ads?
Interval Timer shows ads; BoxClock does not.
Which is updated more often, Interval Timer or BoxClock?
Interval Timer ships an update every 2 months, and BoxClock every 2 weeks. Most recently, Interval Timer was updated on October 19, 2026 and BoxClock on October 1, 2026.

Other comparisons