Interval Timer vs HIIT Workout Timer by Zafapp
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Interval Timer
This app helps you manage workout intervals with customizable work and rest periods. It runs in the background and allows music playback, with options to save settings and share progress. Integrates with Apple Health for heart rate monitoring.
- Customizable sets, intervals, and rest times
- Runs in background and with screen locked
- Music playlist integration
- Save settings as templates
- Apple Health integration for heart rate
- Post workouts to social media
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***Free and reliable. Perfect for use at home, at the track or in the gym. We’re proud to introduce this handy little app that helps you keep track of your work and rest periods during workouts. Whether your into cycling, running, lifting weights, exercise, workout, stretching, boxing, MMA or HIT, this interval timer will prove to be an invaluable asset to you. Running foreground, background or with device locked, this reliable app allows you specify an overall time as well as program High/Low intensity interval and rest time between sets. Produced by Polycents! Key Features: - Customizable sets, high/low intensity interval and rest for your own need - Retina display, iOS4 and multitasking - Continue to run even when screen is locked - Play your song or playlist during your workout - Post your workout to Facebook or Twitter - Save settings as templates Customizable Features: - Number of Sets - Countdown Time - Set Time - Low Interval time - High Interval time - Rest Time - First Interval (low or high) - Sound Volume - Timer Sounds - Auto Lock - Vibrate - Pause during Rest - Playlist - New Each Set APPLE HEALTH: -Interval Timer can use Apple Health to show heart rate in Apple Watch App. # Subscription Details # - Monthly and annual subscriptions are available. - Payment will be charged to your iTunes account at confirmation of purchase. - Your subscription will automatically renew unless auto-renew is disabled at least 24 hours before the end of the current subscription period. - Automatic renewals will be charged at the same price you were originally charged for the subscription. - Subscriptions can be managed by going to Account Settings on the App Store after purchase. Terms of Use: https://www.iubenda.com/terms-and-conditions/18915396 Privacy Policy: https://www.iubenda.com/privacy-policy/18915396
HIIT Workout Timer by Zafapp
This app helps you create custom interval training routines with adjustable sets, rounds, and exercise times. It also tracks your workout history, calculates calorie burn, and integrates with Apple Watch for heart rate monitoring and workout control.
- Custom interval timers (HIIT, Tabata)
- Reps and weight logging
- Workout routine planner
- Calorie burn calculation
- Workout history and analysis
- Apple Watch integration
- Background music control
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More than one trillion calories are burned using this app! INTERVAL TIMER (HIIT AND TABATA) & REPS AND WEIGHT LOGGER • Custom number of Sets and Rounds, and Exercise, Rest, Warm Up and Cool Down times • High intensitiy - Low intensity time reminders • Set Reps and Weight for each exercise (e.g. 20 squats with 25 lbs) • Text-to-speech interval change sound • Also perfect for weight lifting exercises WORKOUT ROUTINE & PLANNER • Set workout days for each workout plan • Create routines with 30+ exercises including squats, crunches and weight lifting... • Get reminders on workout day and time • Add more exercises with custom exercise naming CALORIE COUNTER & WORKOUT HISTORY • Calorie burns calcuated for each workout session • Workout history with daily, weekly, and monthly highlights • Detailed analyzes of your last workouts APPLE WATCH APP & HEART RATE MONITOR • Start and control workouts right on your watch • Monitor your heart rate coming from your Apple Watch • Log your workout history to Apple Health BACKGROUND MUSIC WITH VOLUME CONTROL • Listen and control Apple Music songs right on the app • Control background music volume (50%-100%)
Screenshots
Verdict
Interval Timer and HIIT Workout Timer by Zafapp both sit at 4.5 stars, but that hides the real split: 73% of Interval Timer's written reviews are positive against 40% of HIIT Workout Timer by Zafapp's. Interval Timer also leads on ratings volume (19K vs 15) and iOS requirement (13.0 vs 15.0). On price, rating, update cadence and ads 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 6 in-app purchases, starting at $0.99 per month and HIIT Workout Timer by Zafapp sells 3 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.
On the App Store both sit at effectively the same score — 4.5 for Interval Timer against 4.5 for HIIT Workout Timer by Zafapp. That said, the two scores are not equally well evidenced: Interval Timer has 19K ratings behind it against 15, so its average is the more settled of the two. Written reviews are what separate them: 73% of Interval Timer's written reviews are positive against 40% of HIIT Workout Timer by Zafapp's.
Interval Timer ships an update every 9 days, HIIT Workout Timer by Zafapp every 3 weeks. The most recent releases landed on September 29, 2026 and August 23, 2026 respectively.
| Parameter | Interval Timer | HIIT Workout Timer by Zafapp |
|---|---|---|
| Price | Free | Free |
| Rating | 4.5 (19K ratings) | 4.5 (15 ratings) |
| Positive reviews | 72.9% of reviews — better | 40.0% of reviews |
| Number of ratings | 19K — better | 15 |
| Update frequency | Every 9 days — better | Every 3 weeks |
| Ads | Yes | Yes |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Devices | iPhone, iPad, iPod, Apple Watch | iPhone, iPad, iPod, Apple Watch |
| Requires iOS | 13.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 143 MB | 96 MB |
| Age rating | 4+ | 4+ |
| Developer | NEO PIXEL LABS PTE. LTD. | Cuneyt Zafer |
Customer experience
Interval Timer
HIIT Workout Timer by Zafapp
Bugs and requests
Interval Timer
Reported bugs
3 issues- Ads block functionality
- App freezes or crashes
- Timer doesn't work in background
Requested features
5 requests- Add notes to workouts
- Provide workout history and analytics
- Allow syncing with Apple Health
- Improve Apple Watch integration
- Add more customization options
HIIT Workout Timer by Zafapp
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Interval Timer
- Plus - 1 Month$0.991 Month
- Premium - 1 Month$1.991 Month
- Plus - 1 Month$1.991 Month
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- Premium - 1 Month$2.991 Month
- Plus - 1 Year2 variants$4.991 Year
- Premium - 1 Year7 Days trial2 variants$9.991 Year
HIIT Workout Timer by Zafapp
- Pro Version$1.99
- Pro Version$10.99
- Pro Version$11.99
Questions
Is Interval Timer free?
Is HIIT Workout Timer by Zafapp free?
Which has better reviews, Interval Timer or HIIT Workout Timer by Zafapp?
Do Interval Timer or HIIT Workout Timer by Zafapp have ads?
Which is updated more often, Interval Timer or HIIT Workout Timer by Zafapp?
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