Intensity Interval Timer 4+

HIIT & Tabata Workout

Atlantia Software LLC

Designed for iPad

    • 4.5 • 955 Ratings
    • Free
    • Offers In-App Purchases


The best interval timer app for IOS just got even better! Downloaded by over 100,000 awesome people just like you, Intensity is the workout companion you’ve been looking for. 

*** Now with Siri Shortcuts all new for iOS 12 ***

Before we tell you more, have a look at what people are saying:

“This makes HIIT effortless. You don't have to think about what songs to play or how many intervals you have done, it does it all for you.

“I downloaded this app to help with home tabata workouts and it is just what I was looking for. I love having my own playlist to keep me going through a tough workout!”

“What more could you want then your own personal music & timers to keep you moving!”

You love HIIT because it’s a quick workout style that you can easily fit into your daily routine. We agree, and would hate to see you squandering your valuable time screwing around with a lame, hard to use timer app. That’s why we built a workout timer so easy to use, even your technology-challenged family member of choice would adore it.

Download and get started in seconds with built-in curated workouts. Go deeper with the flexibility of the best workout builder on the app store, adding your own custom intervals, rests, warm-up/cool-down,  caloric burn, and music selection. Speaking of music, have it your way with tunes from your own music library or use music from other apps, Intensity runs in the background so you can continue your routine even while using other apps or putting your device to sleep. Subtle sound queues and text-to-speech interval  announcements will guide you through each workout. And of course, we know how important it is for you to make progress towards your fitness goals, so we’ve added a workout log as well as easy integration with the iOS health app.

Intensity - Your workouts, your way. 

What’s New

Version 10.1.2

Various fixes and improvements for iOS 14.

Ratings and Reviews

4.5 out of 5
955 Ratings

955 Ratings

THe pinsta ,

Good but could be more functional on watch

I enjoy the amount of detail that I am able to incorporate in workouts though this app. Great directions and ease of use on app. However, it could be more user friendly on the watch by:

-Being able to save workouts
-being able to choose workouts
-having a watch face icon, accessible from a main screen

Jsbicisnbdjciofmdn ,

Makes workouts easy + quick

I LOVE working out and forming my own training sessions, but most of the times it’s a huge hassle to set up a timer and stay motivated. This HIIT timer is easy to set up and customize, and allows you to listen to music while working out. The app tells you what move is next, how much longer you have, and counts down the last five seconds of each move- life saver!!! It also tracks what days you workout/don’t (rest days rockkk) and gives you several workouts for FREE when you download. No reason not to!! Plus workouts are super fast but leaves you with a burn for several days! Highly recommend!!

KLHFitness ,

Highly annoyed

This used to be my favorite app to train with. I’d use it for clients, classes, and my own training. The past several months it no longer continues to play my music in the background. I’ve always had the same setting on it to allow ‘background’ music to continuously play and every time I open the app, my music stops. After going back to my music app and pressing play again, and going back to the app, the music stops again. I paid for the premium and this is highly disappointing since I switched apps because the the other timer app I used did a similar thing.

App Privacy

The developer, Atlantia Software LLC, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy.

Data Used to Track You

The following data may be used to track you across apps and websites owned by other companies:

  • Identifiers

Data Not Linked to You

The following data may be collected but it is not linked to your identity:

  • Identifiers
  • Usage Data
  • Diagnostics

Privacy practices may vary, for example, based on the features you use or your age. Learn More

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