# Interval Power — HIIT and interval timer

> Customizable interval timer for HIIT, Crossfit, boxing, and round-based workouts. (iPhone/iPad app by David Burns.)

- Source: https://appshunter.io/ios/app/interval-power/id1219862984 (this page in markdown: same URL + `.md`)
- Developer: [David Burns](https://appshunter.io/developer/526616659)
- Category: Health & Fitness, Sports
- Price: Free
- Rating: 1.00/5 from 1 App Store ratings
- Age rating: 4+
- Requires: iOS 10.0 · 20 MB
- Languages: American English
- Released: 2017-04-07
- Data updated: 2026-06-25
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/interval-power/id1219862984/reviews.md

## What is Interval Power?

Interval Power is a flexible and powerful interval timer for HIIT or any interval or round based workout.

Perfect for high intensity interval training, Crossfit®, boxing or martial arts training.
Create any sequence you want.
Select audible alerts for transitions.
Customize with colorful and high contrast themes.

Interval Power comes with these built-in workouts:

- The research-proven Tabata high intensity interval sequence
- The well-known Crossfit® workout Tabata This! combines tabata rows, squats, pull-ups, push-ups, and sit-ups
- The challenging Five Minute Plank for core strength
- The famous Fight Gone Bad! from Crossfit®
- Round sequences of one, two, three, and five-minute rounds
- Two Supramax workouts provide three or five ultra-high intensity bursts of 20 seconds with two minutes of active rest

You can customize workouts, delete the ones you won’t use, and create and save your own.

Trainers, use the iPad version to motivate your groups!

## Key features

- Customizable interval sequences
- Audible alerts for transitions
- Colorful and high contrast themes
- Pre-built workouts (Tabata, Crossfit)
- Create and save custom workouts
- iPad version for group training


## Frequently asked questions about Interval Power

### What types of workouts can Interval Power be used for?

Interval Power is designed for high-intensity interval training (HIIT), Crossfit, boxing, martial arts, and any workout that involves timed rounds or intervals. You can create custom sequences to suit your specific training needs.

### Can I create my own workout routines in Interval Power?

Yes, you can create, save, and customize your own workout sequences within Interval Power. You also have the option to delete built-in workouts you don't use.

### Does Interval Power offer visual customization?

Yes, Interval Power allows you to customize the appearance with colorful and high-contrast themes. This helps in easily distinguishing workout phases during intense training sessions.

### What are some of the built-in workouts available in Interval Power?

Interval Power includes several pre-built workouts such as the Tabata sequence, Crossfit's Tabata This!, Five Minute Plank, Fight Gone Bad!, and various round sequences. It also features two Supramax workouts for ultra-high intensity bursts.

### Is there a special version of Interval Power for trainers?

Yes, trainers can utilize the iPad version of Interval Power to motivate and guide their groups during workouts. This feature is particularly useful for group fitness classes.

### What devices does Interval Power support?

Interval Power is available for iPhone, iPad, and iPod devices. The app was last updated on September 9, 2019, with version 2.1.

### What is the age rating for Interval Power?

Interval Power has an age rating of 4+. This indicates it is suitable for a wide range of users, including younger individuals interested in fitness.

### How accurate is the rating for Interval Power?

Interval Power has a rating of 1.0 stars based on only 1 rating. This limited feedback suggests the rating may not fully represent the overall user experience.

## Version history (last 4 releases)

### 2.1 — 2019-09-09

Bug fixes. 
Also, two new workouts:
The Supramax workout provides three ultra-high intensity bursts of 20 seconds with two minutes of active rest. Research shows this can boosting your cardio fitness like a much longer moderate workout!
The challenging Crossfit® workout Tabata This! combines tabata rows, squats, pull-ups, push-ups, and sit-ups for a blizzard of intensity.

### 2.0 — 2019-07-26

Choose from fifteen colorful themes. Drag and drop to re-order workouts and steps. Improved timer display, especially on iPad.

### 1.1 — 2017-05-07

- Improved the interval timer display
- Pick alerts from main settings screen
- Restore default workouts you have changed or deleted
- Bug fixes and other improvements

### 1.0 — 2017-04-04

No release notes.

## Apps similar to Interval Power

| App | Rating | Price | Category |
| --- | --- | --- | --- |
| [HandyFitness - Home Workout](https://appshunter.io/ios/app/handyfitness-home-workout/id1465707875) | 3.0 (1) | Free | Health & Fitness |
| [Smart Workout Counter](https://appshunter.io/ios/app/smart-workout-counter/id1546110594) | 4.9 (7) | Free | Health & Fitness |
| [R.A.B. Intervals Timer](https://appshunter.io/ios/app/rab-intervals-timer/id1456220476) | — | Free | Health & Fitness |
| [Warudo: Interval Workout Timer](https://appshunter.io/ios/app/warudo-interval-workout-timer/id1471710149) | 5.0 (5) | Free | Health & Fitness |

## More apps by David Burns

- [Loan Power](https://appshunter.io/ios/app/loan-power/id526616656)

All apps by David Burns: https://appshunter.io/developer/526616659

---

*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-06-25.*