Interval Timer vs BoxClock
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Interval Timer
This app provides a customizable interval timer for various training routines, including HIIT and Tabata. Easily set up custom workouts, track your progress, and stay motivated with visual cues and audio notifications. It's suitable for a wide range of activities from fitness to productivity.
- Customizable workout setup
- Progress tracking with calendar
- Saveable custom presets
- Color-coded notifications
- Listen to music/audiobooks
- Large, full-screen display
- Widget for easy access
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Interval Timer: Tabata and HIIT is a customizable timer for sports. Use it for High-intensity interval training and workout. It's a free sports interval timer app that makes it easy to create your custom training routine. Use it as your timer for training or exercise. This sports timer is great for crossfit, fitness and running. The sports timer will also be useful for various activities such as crossfit, jogging, boxing,circuit training,breathing exercises and yoga. You can use this circuit timer as a productivity timer to focus on your work tasks. Key features: Setup workout Tracking your progress Customizable presets Notifications & colors Motivation Listening music or books Huge digits Widget SETUP WORKOUT Set up, edit and save your own workouts with the customizable feature. Add as many intervals as you like. You can add a 10 second rest period and a 20 second work period, as well as a 5 second interval between exercises. TRACKING PROGRESS Track your workouts with a Calendar. Plan and track events, and get notified when you have a training scheduled. With this feature, you will not miss a single workout and will keep track of your progress. CUSTOMIZABLE PRESETS Save your workouts in the presets section. It's also possible to create your own custom intervals. You can add an unlimited number of presets. NOTIFICATIONS & COLORS Each training phase is easy to distinguish by a different color and is initiated by an individually adjustable signal (sound, vibration, voice) MOTIVATION Each completed exercise motivates you to achieve higher goals. Enjoy your training and achieve your fitness goals with the interval timer. LISTENING MUSIC Listen to motivational audiobooks or your favorite music and get inspired and energized. Full screen color coded display is easy to read from a distance. Widget helps you train without being distracted by the constant unlocking of your phone. Interval Timer: Tabata and HIIT is an easy to use sports workout timer for your daily fitness training at home, at the gym or everywhere else.
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.
- 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
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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
Verdict
The clearest difference is rating: Interval Timer at 4.9 against BoxClock's 4.0. Interval Timer also leads on ratings volume (384 vs 1) and device support (4 vs 2). BoxClock's advantage is ads (none vs shown). On price, update cadence, 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
Both are free to download. Interval Timer sells 12 in-app purchases, starting at $2.09 per month and BoxClock sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.
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 384 ratings behind it against 1, so its average is the more settled of the two.
Interval Timer ships an update monthly, BoxClock every 2 weeks. The most recent releases landed on October 18, 2026 and October 1, 2026 respectively.
| Parameter | Interval Timer | BoxClock |
|---|---|---|
| Price | Free | Free |
| Rating | 4.9 (384 ratings) — better | 4.0 (1 ratings) |
| Positive reviews | 96.6% of reviews | — |
| Number of ratings | 384 — better | 1 |
| Update frequency | Monthly | Every 2 weeks — better |
| Ads | Yes | No — better |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Devices | iPhone, iPad, iPod, Apple Watch — better | iPhone, iPad |
| Requires iOS | 15.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 113 MB | 2 MB |
| Age rating | 4+ | 4+ |
| Developer | SimpleInnovation LLC | Carlos Manuel Gomes Vilhena |
Bugs and requests
Interval Timer
Reported bugs
2 issues- Occasional app crashes
- Compatibility issues with older devices
Requested features
3 requests- More pre-designed workout routines
- Ability to name and customize exercises
- Option to adjust countdown time between intervals
BoxClock
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Interval Timer
- Timer PRO for 1 month: 30% OFF7 Days trial$2.091 Month
- Timer PRO for 1 month: 25% OFF7 Days trial$2.291 Month
- Interval Timer PRO for 1 month$2.991 Month
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- Interval Timer PRO for 1 month7 Days trial$2.991 Month
- Interval Timer PRO - 30% OFF7 Days trial$15.001 Year
- Interval Timer PRO - 25% OFF7 Days trial$16.491 Year
- Interval Timer PRO for 1 year$21.991 Year
- Tabata Timer PRO for 1 year7 Days trial$21.991 Year
- Interval Timer - no Ads$2.99
- HIIT Timer PRO Forever 30% OFF$27.99
- HIIT Timer PRO Forever 25% OFF$29.99
Show 1 moreShow fewer
- Exercise Timer PRO Forever$39.99
BoxClock
- BoxClock Premium$4.99









