Comparison

Interval Timer X Workout 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.

Head to head
About

Interval Timer X Workout Timer

This versatile timer helps you structure workouts, manage daily tasks, and achieve fitness goals. Customize routines, track progress with visual cues, and stay motivated with customizable sounds. Ideal for HIIT, Tabata, yoga, and more.

Highlights
  • Customizable workout routines
  • Standalone interval timer/counter
  • Routine combination feature
  • Customizable warning sounds
  • Intuitive interface with dark mode
  • Background usage support
  • Workout summary and history
Features
Read full description

Crafted with precision and simplicity, this interval/workout timer is designed for individuals who want to take control of their daily routines and achieve optimal results. Whether you're looking to build a custom workout routine or streamline your daily tasks, this interval timer is the perfect tool to help you reach your goals. Interval Timer features: • Customizable Routines: Setting up and saving your own routines has never been easier with our customizable function. • Multiple Functions: For simpler routines, access standalone interval timer/counter functions that can track every aspect of your workout. • Combination of routines: By combining existing routings, the combination feature has got you covered for all your interval tracking needs. • Warning Sound Setting: Stay on track during your workout with a warning sound that can be customized for circuit training, boxing, sprints, and more. • Intuitive Interface: The interface is simple and attractive with light and dark modes available to suit your preferences. Large display and colored progress bars enable you to track your workout from a distance. • Landscape Mode: The landscape mode provides an optional main display and a full-screen progress bar, making it even easier to track your progress. • Alarm Sounds: Choose from multiple alarm sounds including beep, boxing bell, singing bowl, and voice, to stay motivated throughout your workout. • Background Usage: Our app works seamlessly even when running in the background or when background music is on. • Summary after workout: Get a clear and simple summary of your sets and time when your workout is finished. • Calendar and Notification Feature: Use the calendar and notification function to plan your workouts in advance. • History: Help you track and improve your workouts. • Multiple Languages: The app supports multiple voice languages to cater to our global user base. Interval Timer Premium Features: • Export and Import: Easily export and import your custom routines and calendar. • Unlimited Routine Combinations: The premium version offers unlimited routine combinations, so you can create and save as many custom routines as you like. • Advanced Timer Settings: With more custom timer settings, including preparation time, cycle interval time, warning sound time, sound type for each event, and the ability to add short notes, you can fully customize your workout to suit your individual needs. • Customizable Notifications: The premium version also allows you to customize notification titles and content. This Interval Timer app is the perfect tool for anyone looking to optimize their daily routine and achieve their goals, whether you're into physical exercise, workouts, yoga, or meditation. Here are just a few examples of how our app can benefit you: - Physical Exercise: Keep track of your gym workouts, interval running, CrossFit training, and more with ease. - HIIT and Tabata: The app is specifically designed to track high-intensity interval training and Tabata workouts, helping you stay on track and achieve your fitness goals. - Yoga and Meditation: Use the app to time your yoga sessions or meditation practice and stay focused and motivated throughout your practice. - Productivity: Stay focused during your study sessions, reading time, or cooking with our Pomodoro clock functionality. - Personal Routines: Whether you're looking to optimize your daily routine or create a custom interval training plan, our app has got you covered. Take your workouts to the next level and achieve your goals with the Interval Timer X Workout Timer app. Try it today and experience the benefits for yourself!

About

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.

Highlights
  • 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
Features
Read full description

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

HIIT Workout Timer by Zafapp4 screens

Verdict

The call

The clearest difference is review sentiment: Interval Timer X Workout Timer at 94% against HIIT Workout Timer by Zafapp's 40%. Interval Timer X Workout Timer also leads on ratings volume (686 vs 15) and rating (4.8 vs 4.5). HIIT Workout Timer by Zafapp's advantage is update cadence (every 3 weeks vs every 6 weeks). On price, ads, 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 X Workout Timer sells 1 one-off in-app purchase 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.

ReceptionRating · Positive reviews · Number of ratings

Interval Timer X Workout Timer holds the better App Store score, 4.8 against 4.5. That said, the two scores are not equally well evidenced: Interval Timer X Workout Timer has 686 ratings behind it against 15, so its average is the more settled of the two. Written reviews point the same way: 94% of Interval Timer X Workout Timer's written reviews are positive against 40% of HIIT Workout Timer by Zafapp's.

UpkeepUpdate frequency

Interval Timer X Workout Timer ships an update every 6 weeks, HIIT Workout Timer by Zafapp every 3 weeks. The most recent releases landed on September 29, 2026 and August 23, 2026 respectively.

Scorecard4 real differences · 6 level
Interval Timer X Workout Timer versus HIIT Workout Timer by Zafapp: the parameters behind the verdict, then further details
ParameterInterval Timer X Workout TimerHIIT Workout Timer by Zafapp
PriceFreeFree
Rating4.8 (686 ratings) — better4.5 (15 ratings)
Positive reviews93.7% of reviews — better40.0% of reviews
Number of ratings686 — better15
Update frequencyEvery 6 weeksEvery 3 weeks — better
AdsYesYes
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod, Apple Watch — better
Requires iOS15.615.0 — better
Further details — not scored
Size45 MB96 MB
Age rating4+4+
Developer世恬 颜Cuneyt Zafer

Customer experience

Interval Timer X Workout Timer

All ratings672 ratings
Positive95.1%
Neutral2.4%
Negative2.5%
Written reviews63 reviews
Positive93.7%
Neutral3.2%
Negative3.2%

HIIT Workout Timer by Zafapp

All ratings15 ratings
Positive93.3%
Neutral0.0%
Negative6.7%
Written reviews5 reviews
Positive40.0%
Neutral0.0%
Negative60.0%

Bugs and requests

Interval Timer X Workout Timer

Reported bugs

2 issues
  • Interval set index display issue
  • Compatibility issues with older devices

Requested features

4 requests
  • Audio ducking for music playback
  • Voice countdown
  • Ability to store custom settings automatically
  • Vibration option in addition to audio

HIIT Workout Timer by Zafapp

Not enough reviews yet to summarise bugs or requests.

In-app purchases

1 purchases

Interval Timer X Workout Timer

One-time1
  • Interval Timer X Premium$6.99
3 purchases

HIIT Workout Timer by Zafapp

One-time3
  • Pro Version$1.99
  • Pro Version$10.99
  • Pro Version$11.99

Questions

Is Interval Timer X Workout Timer free?
Interval Timer X Workout Timer is free to download, with in-app purchases available.
Is HIIT Workout Timer by Zafapp free?
HIIT Workout Timer by Zafapp is free to download, with in-app purchases available.
Which has better reviews, Interval Timer X Workout Timer or HIIT Workout Timer by Zafapp?
Interval Timer X Workout Timer is rated higher. Interval Timer X Workout Timer averages 4.8 out of 5 from 686 ratings, while HIIT Workout Timer by Zafapp averages 4.5 from 15 ratings.
Do Interval Timer X Workout Timer or HIIT Workout Timer by Zafapp have ads?
Both Interval Timer X Workout Timer and HIIT Workout Timer by Zafapp show ads.
Which is updated more often, Interval Timer X Workout Timer or HIIT Workout Timer by Zafapp?
Interval Timer X Workout Timer ships an update every 6 weeks, and HIIT Workout Timer by Zafapp every 3 weeks. Most recently, Interval Timer X Workout Timer was updated on September 29, 2026 and HIIT Workout Timer by Zafapp on August 23, 2026.

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