Comparison

HIIT Timer vs IntervalTimer

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

HIIT Timer

Features
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The simple Tabata timer and HIIT timer for every workout. HIIT Timer is an interval timer built for Tabata, HIIT, circuit training, boxing rounds, running intervals, strength training and home workouts. Set your work and rest times, choose your sets and rounds, and let voice cues and a clear countdown guide you, so you can focus on the exercise, not the clock. FREE FEATURES - Custom interval timer: multiple sets, each with its own work and rest time, plus rounds and an optional final rest - Classic Tabata timer in one tap: 20 seconds of work, 10 seconds of rest, 8 rounds, 4 minutes - Voice cues and reminders for every phase, with a 3- or 5-second countdown - Vibration alerts, so you can train without watching the screen - 4 background music tracks and 3 sound modes: music + cues, cues only (play your own music), or silent with vibration - Workout summary after every completed workout - Big landscape countdown clock you can read from across the gym - Screen stays on while the workout timer runs - Dark mode, light mode, English and Traditional Chinese HIIT TIMER PRO (one-time purchase, not a subscription) - More quick workouts: Beginner and Advanced HIIT, Boxing Rounds, Stretching and Free Mode - My Workouts: save, favorite, rename and duplicate your routines - Name each exercise and reorder sets with ▲▼ - Warm-up and cool-down before and after your training - Advanced voice: halfway reminders, next-exercise announcements, speech rate and voice choice - Screen lock to prevent accidental taps - Workout history with weekly, monthly and yearly stats GREAT FOR - Tabata and HIIT workouts at home or at the gym - Circuit training, core workouts and plank intervals - Boxing rounds and sparring timers - Running intervals, sprints and endurance training - Strength training, weightlifting rest timers and stretching PRIVATE AND OFFLINE - No account needed. Your workout settings and history are stored on your device - The timer works offline; buying or restoring Pro needs an internet connection - Already bought Pro? Use Restore Purchases on a new device This app is a timing tool and does not provide medical advice. Start your first round today!

About

IntervalTimer

Features
Read full description

A powerful app to create and start interval timers that repeat exercise and rest periods. Perfect for weight training, stretching, Pomodoro timers, and many other activities. Packed with features including unlimited tabs, custom durations, one-tap start and stop, dark mode, biometric authentication, and more. ā–  Create Interval Timers Create and start timers with your preferred number of sets and durations. ā–  Organize Timers by Tab Create your own timers for each category with unlimited tabs. ā–  Set Counts, Preparation, Workout, and Rest Freely configure repeat counts and durations, then start right away. ā–  No Login Required Use it immediately without logging in. ā–  Back and Forward Buttons Go back one step or skip ahead with a single tap. ā–  Swipe to Switch Tabs Swipe left or right to switch tabs and start your timer instantly. ā–  Reorder Tabs Rearrange tabs by swiping. ā–  Custom Background Colors per Tab Change the background color for each tab individually. ā–  Backup and Restore Save your data permanently to the cloud and restore it instantly on a new device. ā–  Dark Mode Work comfortably with a beautiful dark mode that is easy on the eyes. ā–  Biometric Authentication Enhance app security with biometric authentication. ā–  Tab Notes Leave your favorite notes on tabs. ā–  Complete Security Data is never sent externally and is completely protected within your device. ā–  Offline Support Works even without an internet connection. ā–  Terms of Use https://naokiotsu.com/term-of-use ā–  Privacy Policy https://naokiotsu.com/privacy-policy Support info@naokiotsu.com

Screenshots

HIIT Timer4 screens
IntervalTimer4 screens

Verdict

The call

The clearest difference is in-app purchases: HIIT Timer at none against IntervalTimer's 1. IntervalTimer's advantage is update cadence (weekly vs every 15 months). On price, ads, device support and iOS requirement there is nothing between them.

Scored on Price Ā· Rating Ā· Positive reviews Ā· Number of ratings Ā· Update frequency Ā· Ads Ā· In-app purchases Ā· Monetization Ā· Best chart rank Ā· Devices Ā· Requires iOS

CostPrice Ā· In-app purchases Ā· Ads Ā· Monetization

Both are free to download. IntervalTimer sells 1 one-off in-app purchase. HIIT Timer asks for nothing beyond the download.

UpkeepUpdate frequency

HIIT Timer ships an update every 15 months, IntervalTimer weekly. The most recent releases landed on November 5, 2026 and October 28, 2026 respectively.

Scorecard2 real differences Ā· 4 level
HIIT Timer versus IntervalTimer: the parameters behind the verdict, then further details
ParameterHIIT TimerIntervalTimer
PriceFreeFree
Update frequencyEvery 15 monthsWeekly — better
AdsNoNo
In-app purchasesNo — betterYes
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.115.1
Further details — not scored
Size54 MB52 MB
Age rating12+4+
DeveloperPO CHUN LIUnaoki otsu

In-app purchases

None

HIIT Timer

No in-app purchases

1 purchases

IntervalTimer

One-time1
  • Premium (Pay Once)$4.99

Questions

Is HIIT Timer free?
HIIT Timer is free to download, with no in-app purchases.
Is IntervalTimer free?
IntervalTimer is free to download, with in-app purchases available.
Do HIIT Timer or IntervalTimer have ads?
Neither HIIT Timer nor IntervalTimer shows ads.
Which is updated more often, HIIT Timer or IntervalTimer?
HIIT Timer ships an update every 15 months, and IntervalTimer weekly. Most recently, HIIT Timer was updated on November 5, 2026 and IntervalTimer on October 28, 2026.

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