Comparison

Interval Timer vs HIIT Timer Pro

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

HIIT Timer Pro

This app provides a precision timer for high-intensity interval training, offering customizable workout parameters and clear visual cues. It supports background playback, haptic feedback, and auto-saves workout history with detailed statistics.

Highlights
  • Customizable work, rest, and round intervals
  • Giant countdown screen and progress ring
  • Studio-grade sound packs with adjustable volume
  • Background playback and optional haptic feedback
  • One-tap controls for pause, skip, stop, and mute
  • Auto-save workout history and performance stats
  • Offline-first design for training anywhere
Features
Read full description

THE ULTIMATE HIGH-INTENSITY INTERVAL COMPANION –––––––––––––––––––––––––– HIIT Timer Pro turns your iPhone or iPad into a precision coach for every high-intensity workout—from explosive Tabata sprints to marathon EMOM circuits. No gimmicks, no distractions: just a rock-solid timer engineered for athletes who demand more. –––––––––––––––––––––––––– WHY ATHLETES CHOOSE HIIT TIMER PRO • Seconds-fast setup: choose a quick preset or dial in work (15 s–3 min), rest (5 s–90 s), 1–20 exercises, 1–10 rounds and recovery between rounds. • Giant countdown screen plus circular progress ring, mini bars and total-time ticker keep you locked in at a glance—even mid-burpee. • Three studio-grade sound packs: five-second countdown, dong-plus-ticks during work and victory chime at the end—loud enough to punch through your playlists and fully adjustable. • Background playback that never pauses when you switch apps, film your form or stream coaching videos. • Optional haptic feedback—light for taps, medium for transitions—so you feel every changeover. • One-tap controls: pause, skip, stop or mute on the fly. • Auto-save history with date, config, total duration, completion status and performance percentage. • Beautiful stats dashboard totals sessions, finish rate and lifetime training time in minutes or hours. • Twenty FREE SESSIONS before you even see a paywall—upgrade anytime for unlimited workouts, full history, cloud sync and an ad-free experience. –––––––––––––––––––––––––– BUILT FOR SERIOUS TRAINING • No hidden costs: choose a monthly pass or save with a yearly plan that starts with a 7-day free trial. • Swift-native architecture, 60 fps animations and memory-safe timers for bullet-proof reliability. • Localization ready for 43 languages. • Offline-first design so you can train anywhere—basement, beach or backcountry. –––––––––––––––––––––––––– LEVEL UP YOUR WORKOUT TODAY Whether you’re chasing PRs, cutting weight, boxing rounds, CrossFit WODs, AMRAP challenges, plyometric sets or simple home fitness, HIIT Timer Pro keeps the clock so you can keep the intensity. Download now and feel the difference in your very next session! –––––––––––––––––––––––––– SUBSCRIPTIONS • Hiit Timer Pro – Yearly: US $19.99 per year — free for the first week • Hiit Timer Pro – Monthly: US $2.99 per month –––––––––––––––––––––––––– Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Interval Timer4 screens
HIIT Timer Pro4 screens

Verdict

The call

The clearest difference is ads: HIIT Timer Pro at none against Interval Timer's shown. HIIT Timer Pro also leads on update cadence (every 9 days vs monthly). Interval Timer's advantage is ratings volume (379 vs 1) and device support (4 vs 1). On price, rating, 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 sells 12 in-app purchases, starting at $2.09 per month and HIIT Timer Pro sells 2 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 HIIT Timer Pro. That said, the two scores are not equally well evidenced: Interval Timer has 379 ratings behind it against 1, so its average is the more settled of the two.

UpkeepUpdate frequency

Interval Timer ships an update monthly, HIIT Timer Pro every 9 days. The most recent releases landed on September 25, 2026 and September 26, 2026 respectively.

Scorecard5 real differences · 5 level
Interval Timer versus HIIT Timer Pro: the parameters behind the verdict, then further details
ParameterInterval TimerHIIT Timer Pro
PriceFreeFree
Rating4.9 (379 ratings)5.0 (1 ratings) — better
Positive reviews96.5% of reviews—
Number of ratings379 — better1
Update frequencyMonthlyEvery 9 days — better
AdsYesNo — better
In-app purchasesYesYes
MonetizationFree with in-app purchasesFreemium
DevicesiPhone, iPad, iPod, Apple Watch — betteriPhone
Requires iOS15.0 — better17.0
Further details — not scored
Size113 MB20 MB
Age rating4+4+
DeveloperSimpleInnovation LLCDevelak

Customer experience

Interval Timer

All ratings379 ratings
Positive99.5%
Neutral0.3%
Negative0.3%
Written reviews317 reviews
Positive96.5%
Neutral0.9%
Negative2.5%

HIIT Timer Pro

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

HIIT Timer Pro

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
2 purchases

HIIT Timer Pro

Subscriptions2
  • SimplyTask Pro - Monthly$2.991 Month
  • Hiit Timer Pro - Yearly7 Days trial$19.991 Year

Questions

Is Interval Timer free?
Interval Timer is free to download, with in-app purchases available.
Is HIIT Timer Pro free?
HIIT Timer Pro is free to download, with in-app purchases available.
Which has better reviews, Interval Timer or HIIT Timer Pro?
HIIT Timer Pro is rated higher. Interval Timer averages 4.9 out of 5 from 379 ratings, while HIIT Timer Pro averages 5.0 from 1 ratings.
Do Interval Timer or HIIT Timer Pro have ads?
Interval Timer shows ads; HIIT Timer Pro does not.
Which is updated more often, Interval Timer or HIIT Timer Pro?
Interval Timer ships an update monthly, and HIIT Timer Pro every 9 days. Most recently, Interval Timer was updated on September 25, 2026 and HIIT Timer Pro on September 26, 2026.

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