Comparison

Interval Timer vs Interval Timer

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 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.

Highlights
  • 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
Features
Read full description

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.

About

Interval Timer

This app provides a customizable interval timer for various training styles like HIIT, boxing, and Tabata. It features a distraction-free interface, audio cues, and haptic feedback for focused workouts. It also integrates with HealthKit to log your training sessions.

Highlights
  • Customizable work/rest intervals
  • HIIT, Sprint, Boxing, and Tabata timers
  • Rounds and sets control
  • Audio cues and voice guidance
  • Haptic feedback
  • HealthKit integration
Features
Read full description

Train with precision. Perform with intent. KNTC is a powerful interval timer built for athletes, coaches, and anyone who trains with purpose. Whether you’re doing HIIT, sprint training, boxing rounds, or classic Tabata, KNTC gives you a fast, distraction-free timer designed for performance. Built with a bold, CrossFit-inspired design and a landscape-first workout view, KNTC keeps your focus where it belongs: on the work. Built for every interval workout - Interval Timer - Fully customizable work/rest intervals - HIIT Timer: Perfect for high-intensity interval training - Sprint Timer: Short, explosive efforts with precise timing - Boxing Timer: Rounds, rest, and round warnings - Tabata Timer - Rounds & Sets: Train by rounds with total control - Stopwatch: Simple, accurate time tracking Smart timer input Create timers in seconds: - Adjust work, rest, rounds, and sets - Reuse and tweak workouts instantly - Designed for speed, no clutter, no friction Who is KNTC for? - CrossFit & functional fitness athletes - Boxers & martial artists - Runners & sprinters - Coaches & gyms - Anyone who trains in rounds, intervals, or Tabata Designed for real training - Clear audio cues & voice guidance - Haptic feedback for hands-free workouts - High-contrast mode for intense environments - Optimized landscape display for gym floors and wall mounts KNTC integrates with the HealthKit to log your workouts. -- Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Interval Timer4 screens
Interval Timer4 screens

Verdict

The call

The clearest difference is ads: Interval Timer at none against Interval Timer's shown. Interval Timer's advantage is ratings volume (384 vs 2) and device support (4 vs 1). On price, rating, update cadence and in-app purchases 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 12 in-app purchases, starting at $2.09 per month and Interval Timer sells 4 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.9 for Interval Timer against 5.0 for Interval Timer. That said, the two scores are not equally well evidenced: Interval Timer has 384 ratings behind it against 2, so its average is the more settled of the two.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly monthly. The most recent releases landed on October 13, 2026 and September 20, 2026 respectively.

Scorecard4 real differences · 6 level
Interval Timer versus Interval Timer: the parameters behind the verdict, then further details
ParameterInterval TimerInterval Timer
PriceFreeFree
Rating4.9 (384 ratings)5.0 (2 ratings) — better
Positive reviews96.6% of reviews—
Number of ratings384 — better2
Update frequencyMonthlyMonthly
AdsYesNo — better
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPod, Apple Watch — betteriPhone
Requires iOS15.0 — better26.0
Further details — not scored
Size113 MB48 MB
Age rating4+4+
DeveloperSimpleInnovation LLCRuslan Sayfutdinov

Customer experience

Interval Timer

All ratings384 ratings
Positive99.5%
Neutral0.3%
Negative0.3%
Written reviews319 reviews
Positive96.6%
Neutral0.9%
Negative2.5%

Interval Timer

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

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

Interval Timer

Not enough reviews yet to summarise bugs or requests.

In-app purchases

12 purchases

Interval Timer

Subscriptions8
  • 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
Show 5 more
  • 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
One-time4
  • Interval Timer - no Ads$2.99
  • HIIT Timer PRO Forever 30% OFF$27.99
  • HIIT Timer PRO Forever 25% OFF$29.99
Show 1 more
  • Exercise Timer PRO Forever$39.99
4 purchases

Interval Timer

Subscriptions3
  • KNTC Interval Timer Monthly Access$2.991 Month
  • Weekly Access$4.997 Days
  • KNTC Interval Timer Annual Access$19.991 Year
One-time1
  • KNTC Interval Timer PRO$29.99

Questions

Is Interval Timer free?
Interval Timer is free to download, with in-app purchases available.
Is Interval Timer free?
Interval Timer is free to download, with in-app purchases available.
Which has better reviews, Interval Timer or Interval Timer?
Interval Timer is rated higher. Interval Timer averages 4.9 out of 5 from 384 ratings, while Interval Timer averages 5.0 from 2 ratings.
Do Interval Timer or Interval Timer have ads?
Interval Timer shows ads; Interval Timer does not.
Which is updated more often, Interval Timer or Interval Timer?
Interval Timer ships an update monthly, and Interval Timer monthly. Most recently, Interval Timer was updated on October 13, 2026 and Interval Timer on September 20, 2026.

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