Comparison

Interval Timer □ HIIT 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 □ HIIT Timer

Create custom workout timers with adjustable intervals for exercise and rest. Track your progress with detailed history and statistics, and repeat past workouts easily. Enjoy audio cues without interrupting your music.

Highlights
  • Customizable intervals
  • Workout and rest timers
  • Voice or beep guides
  • Background audio support
  • Workout history and statistics
  • Repeat previous workouts
Features
Read full description

A simple and beautiful interval timer. 1. Drag to set your custom intervals for workout, rest, rounds, etc 2. Tap to start. Interval Timer doesn't interfere with your music or other apps: ∙ Listen to your music apps while you workout. ∙ Voice or beep guides for every workout. ∙ You can leave the app and still listen to the audio guides, in order to follow a workout you found online. And no need to manually record your workouts: ∙ Detailed history and statistics pages to track your progress. ∙ Repeat a previous workout from your history, so you don't need to set it again. If you have any ideas for how to improve the app, just tap "Contact Support' inside the app and let us know! We are always trying to improve Interval Timer This app includes an optional auto-renewable subscription (Premium Pass): Premium Pass beings with a free trial period, then an auto-renewable monthly subscription when trial ends. Payment will be charged to your Apple account at confirmation of purchase and will automatically renew (at the duration/price selected) unless auto-renew is turned off at least 24 hrs before the end of the current period. Account will be charged for renewal within 24-hours prior to the end of the current period. Current subscription may not be cancelled during the active subscription period; however, you can manage your subscription and/or turn off auto-renewal by visiting your Apple Account Settings after purchase. Any unused portion of the free initial period will be forfeited when you purchase a subscription. Privacy Policy: https://float.support/interval-timer/privacy Terms of Use: https://float.support/interval-timer/terms

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 Timer □ HIIT Timer4 screens
Interval Timer4 screens

Verdict

The call

The clearest difference is ratings volume: Interval Timer □ HIIT Timer at 86K against Interval Timer's 2. Interval Timer □ HIIT Timer also leads on device support (3 vs 1) and iOS requirement (15.6 vs 26.0). Interval Timer's advantage is rating (5.0 vs 4.8). On price, update cadence, ads 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 □ HIIT Timer sells 5 in-app purchases, starting at $1.99 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

Interval Timer holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: Interval Timer □ HIIT Timer has 86K ratings behind it against 2, so its average is the more settled of the two.

UpkeepUpdate frequency

Interval Timer □ HIIT Timer ships an update every 5 weeks, Interval Timer monthly. The most recent releases landed on October 12, 2026 and September 20, 2026 respectively.

Scorecard4 real differences · 6 level
Interval Timer □ HIIT Timer versus Interval Timer: the parameters behind the verdict, then further details
ParameterInterval Timer □ HIIT TimerInterval Timer
PriceFreeFree
Rating4.8 (86K ratings)5.0 (2 ratings) — better
Positive reviews60.7% of reviews—
Number of ratings86K — better2
Update frequencyEvery 5 weeksMonthly — better
AdsNoNo
In-app purchasesYesYes
MonetizationFreemiumFree with in-app purchases
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS15.6 — better26.0
Further details — not scored
Size34 MB48 MB
Age rating4+4+
DeveloperFloat Tech, LLCRuslan Sayfutdinov

Customer experience

Interval Timer □ HIIT Timer

All ratings85,854 ratings
Positive96.7%
Neutral1.2%
Negative2.1%
Written reviews1,831 reviews
Positive60.7%
Neutral6.2%
Negative33.0%

Interval Timer

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

Bugs and requests

Interval Timer □ HIIT Timer

Reported bugs

3 issues
  • Timer not always accurate
  • Favorites/saved workouts feature not working
  • Inconsistent behavior when pausing/resuming

Requested features

3 requests
  • Ability to save and name custom workouts
  • More flexibility in exercise/rest time settings
  • Option to adjust volume of voice prompts

Interval Timer

Not enough reviews yet to summarise bugs or requests.

In-app purchases

5 purchases

Interval Timer □ HIIT Timer

Subscriptions2
  • Premium Pass7 Days trial$1.991 Month
  • Premium Pass7 Days trial$2.991 Month
One-time3
  • Lifetime Pass$14.99
  • Lifetime Pass$19.99
  • Premium Forever Promo$29.99
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 □ HIIT Timer free?
Interval Timer □ HIIT 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 □ HIIT Timer or Interval Timer?
Interval Timer is rated higher. Interval Timer □ HIIT Timer averages 4.8 out of 5 from 86K ratings, while Interval Timer averages 5.0 from 2 ratings.
Do Interval Timer □ HIIT Timer or Interval Timer have ads?
Neither Interval Timer □ HIIT Timer nor Interval Timer shows ads.
Which is updated more often, Interval Timer □ HIIT Timer or Interval Timer?
Interval Timer □ HIIT Timer ships an update every 5 weeks, and Interval Timer monthly. Most recently, Interval Timer □ HIIT Timer was updated on October 12, 2026 and Interval Timer on September 20, 2026.

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