# Simple Interval Timer vs Interval Timer HIIT Workout

The clearest difference is rating: Interval Timer HIIT Workout at 4.8 against Simple Interval Timer's 4.0. Interval Timer HIIT Workout also leads on ratings volume (332 vs 2) and review sentiment (67% vs 50%). Simple Interval Timer's advantage is in-app purchases (none vs 5) and ads (none vs shown). On price, update cadence and device support there is nothing between them.

Both are free to download. Interval Timer HIIT Workout sells 5 in-app purchases, starting at $1.99 per month. Simple Interval Timer asks for nothing beyond the download.

Interval Timer HIIT Workout holds the better App Store score, 4.8 against 4.0. That said, the two scores are not equally well evidenced: Interval Timer HIIT Workout has 332 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 50% of Simple Interval Timer's written reviews are positive against 67% of Interval Timer HIIT Workout's.

Simple Interval Timer ships an update every 5 days, Interval Timer HIIT Workout weekly. The most recent releases landed on October 1, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Simple Interval Timer | Interval Timer HIIT Workout |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.0 (2 ratings)](https://appshunter.io/ios/app/simple-interval-timer-sit/id630361167/reviews) | **[4.8 (332 ratings)](https://appshunter.io/ios/app/interval-timer-hiit-workout/id6741055716/reviews)** |
| Number of ratings | 2 | **332** |
| Positive reviews | 50.0% of reviews | **66.7% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 5 days** | Weekly |
| Monetization | **Free** | Free with in-app purchases |
| Size | 2 MB | 96 MB |
| Requires iOS | **13.5** | 18.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [DES Productions](https://appshunter.io/developer/541744954) | [Roli LLC](https://appshunter.io/developer/1792785559) |

## What reviewers say

### Simple Interval Timer

[App page](https://appshunter.io/ios/app/simple-interval-timer-sit/id630361167)

This app provides a customizable interval timer for various training methods like HIIT, Tabata, and boxing. Structure your workouts to achieve your fitness goals with configurable sets and timers.

**Highlights:** Customizable interval sets, Configurable workout values, Supports HIIT, Tabata, boxing, sprints, Workout structure and discipline, Achieve fitness goals

**Features:** macOS Compatibility

**In-app purchases:** none


### Interval Timer HIIT Workout

[App page](https://appshunter.io/ios/app/interval-timer-hiit-workout/id6741055716)

Customize your HIIT and Tabata workouts with this versatile interval timer. Features AI voice cues from celebrity personalities, music integration, and Apple Health syncing. Track your progress and share routines with ease.

**Highlights:** Customizable work/rest periods, AI voice cues from celebrity personalities, Music integration, Apple Health & Apple Watch sync, Save and organize workouts, Real-time exercise on-screen cues, Share workouts with others

**Features:** Family Sharing, Apple Watch app

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $1.99 | per month |
| Monthly Subscription | $2.99 | per month |
| Yearly Subscription | $29.99 | per year |
| Yearly Subscription | $29.99 | per year |
| One Time Purchase | $19.99 | one-time |


## Frequently asked questions

### Is Simple Interval Timer free?

Simple Interval Timer is free to download, with no in-app purchases.

### Is Interval Timer HIIT Workout free?

Interval Timer HIIT Workout is free to download, with in-app purchases available.

### Which has better reviews, Simple Interval Timer or Interval Timer HIIT Workout?

Interval Timer HIIT Workout is rated higher. Simple Interval Timer averages 4.0 out of 5 from 2 ratings, while Interval Timer HIIT Workout averages 4.8 from 332 ratings.

### Do Simple Interval Timer or Interval Timer HIIT Workout have ads?

Interval Timer HIIT Workout shows ads; Simple Interval Timer does not.

### Which is updated more often, Simple Interval Timer or Interval Timer HIIT Workout?

Simple Interval Timer ships an update every 5 days, and Interval Timer HIIT Workout weekly. Most recently, Simple Interval Timer was updated on October 1, 2026 and Interval Timer HIIT Workout on October 9, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*