Comparison

Custom Interval Workout Timer vs Box Interval Timer

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

Head to head
About

Custom Interval Workout Timer

Features
Read full description

The ultimate workout timer for any training style. Whether you're doing Tabata sprints, EMOM weightlifting, AMRAP circuits, HIIT cardio, or boxing rounds — Custom Interval Workout Timer has you covered. TIMER TYPES • Tabata — Classic 20s work / 10s rest intervals • EMOM — Every Minute on the Minute • AMRAP — As Many Rounds As Possible with countdown • HIIT — Customizable work/rest intervals • Boxing — Round timer with rest periods • For Time — Count up with target time • Custom — Build any interval sequence you want POWERFUL FEATURES • Timer Chains — Link multiple timers to run back-to-back • Preset Library — 15+ ready-to-go workouts for beginners and pros • Manual Advance — Pause between intervals and go at your own pace • Adjustable Prep Time — Get ready before each workout starts AUDIO & HAPTICS • Voice Announcements — Hear phase changes and round counts • Countdown Beeps — Audio cues as intervals end • 7 Beep Sounds — Choose a different sound for each timer type • Haptic Feedback — Feel transitions even with sound off TRACK YOUR PROGRESS • Workout History — Log every completed session • Monthly Calendar — See your training at a glance • Weekly Stats — Track workouts and total training time STOPWATCH • Precision stopwatch with lap tracking • Fastest and slowest lap highlighting SHARE & CUSTOMIZE • Share timers via QR code or link • Import timers from friends • 8 accent colors and dark/light/system themes • Keep Screen On mode for hands-free training APPLE WATCH (Pro) • Mirror and control timers from your wrist APPLE HEALTH • Automatically log workouts to Apple Health • Contribute to your Activity Rings Download now and start training smarter. Terms of Use: https://sites.google.com/view/michaelmcgillapps/terms-of-service Privacy Policy: https://sites.google.com/view/michaelmcgillapps/privacy-policy

About

Box Interval Timer

This app provides customizable timers for combat sports and interval training. Track your progress with saved workouts and statistics. Supports multiple languages and offers live activity on the lock screen.

Highlights
  • Combat sports presets
  • Customizable interval training
  • Workout history and statistics
  • 10-second warning sound
  • Live activity on lock screen
  • Multi-language support
Features
Read full description

Box Interval Timer is the professional timer for combat sports athletes and fitness enthusiasts. FIGHT TIMER Presets for Boxing, MMA, K1, Muay Thai, BJJ, Judo, Wrestling and Taekwondo. Or create custom profiles with your own round times and rest periods. INTERVAL TRAINING Intense HIIT training for running, treadmill, air bike and bag work - for beginners, intermediate and advanced athletes. Fully customizable. TRACK YOUR PROGRESS All workouts are saved automatically. Follow your progress in History and Statistics. FEATURES - 8 Combat Sports Presets - Create Custom Profiles - Interval Training with Presets - Workout History and Statistics - 10-Second Warning Sound - Live Activity on Lock Screen - 6 Languages: German, English, Arabic, Spanish, French, Russian The app is free. If you enjoy it, you can optionally leave a tip to support development.

Screenshots

Custom Interval Workout Timer4 screens
Box Interval Timer4 screens

Verdict

The call

The clearest difference is ads: Box Interval Timer at none against Custom Interval Workout Timer's shown. On price, update cadence, in-app purchases and device support 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. Custom Interval Workout Timer sells 2 in-app purchases, starting at $1.99 per month and Box Interval Timer sells 3 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Custom Interval Workout Timer ships an update every 3 weeks, Box Interval Timer monthly. The most recent releases landed on September 10, 2026 and June 28, 2026 respectively.

Scorecard1 real difference · 8 level
Custom Interval Workout Timer versus Box Interval Timer: the parameters behind the verdict, then further details
ParameterCustom Interval Workout TimerBox Interval Timer
PriceFreeFree
Rating—5.0 (1 ratings) — better
Number of ratings—1 — better
Update frequencyEvery 3 weeks — betterMonthly
AdsYesNo — better
In-app purchasesYesYes
Monetization—Free
DevicesiPhone, iPad, Apple Watch — betteriPhone, iPad
Requires iOS17.016.6 — better
Further details — not scored
Size7 MB3 MB
Age rating4+4+
DeveloperMichael McGill apps llcDiyar Kaymaz

In-app purchases

2 purchases

Custom Interval Workout Timer

Subscriptions2
  • Monthly$1.991 Month
  • Yearly$19.991 Year
3 purchases

Box Interval Timer

One-time3
  • Small Coffee$0.99
  • Sponsor a Training$2.99
  • Big Thank You$12.99

Questions

Is Custom Interval Workout Timer free?
Custom Interval Workout Timer is free to download, with in-app purchases available.
Is Box Interval Timer free?
Box Interval Timer is free to download, with in-app purchases available.
Do Custom Interval Workout Timer or Box Interval Timer have ads?
Custom Interval Workout Timer shows ads; Box Interval Timer does not.
Which is updated more often, Custom Interval Workout Timer or Box Interval Timer?
Custom Interval Workout Timer ships an update every 3 weeks, and Box Interval Timer monthly. Most recently, Custom Interval Workout Timer was updated on September 10, 2026 and Box Interval Timer on June 28, 2026.

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