# Sprint Eight vs Interval Timer HIIT Workout

The clearest difference is rating: Interval Timer HIIT Workout at 4.8 against Sprint Eight's 4.3. Interval Timer HIIT Workout also leads on update cadence (weekly vs every 6 weeks) and ratings volume (334 vs 10). Sprint Eight's advantage is in-app purchases (none vs 5) and ads (none vs shown). On price, review sentiment 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. Sprint Eight asks for nothing beyond the download.

Interval Timer HIIT Workout holds the better App Store score, 4.8 against 4.3. That said, the two scores are not equally well evidenced: Interval Timer HIIT Workout has 334 ratings behind it against 10, so its average is the more settled of the two. Written reviews point the same way: 60% of Sprint Eight's written reviews are positive against 67% of Interval Timer HIIT Workout's.

Sprint Eight ships an update every 6 weeks, Interval Timer HIIT Workout weekly. The most recent releases landed on September 16, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Sprint Eight | Interval Timer HIIT Workout |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.3 (10 ratings)](https://appshunter.io/ios/app/sprint-eight/id1418761124/reviews) | **[4.8 (334 ratings)](https://appshunter.io/ios/app/interval-timer-hiit-workout/id6741055716/reviews)** |
| Number of ratings | 10 | **334** |
| Positive reviews | 60.0% of reviews | **66.7% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 6 weeks | **Weekly** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 21 MB | 96 MB |
| Requires iOS | **10.3** | 18.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Brad McAnalley](https://appshunter.io/developer/1088438425) | [Roli LLC](https://appshunter.io/developer/1792785559) |

## What reviewers say

### Sprint Eight

[App page](https://appshunter.io/ios/app/sprint-eight/id1418761124)

This app guides you through a high-intensity interval training workout designed for maximum calorie burn in minimal time. It provides timed intervals for sprinting and resting, allowing you to perform the exercise without specialized equipment.

**Highlights:** High Intensity Interval Training (HIIT), Maximum calorie burn, No extra equipment needed, Timed sprint and rest intervals, 30-second sprint / 90-second rest cycle

**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 Sprint Eight free?

Sprint Eight 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, Sprint Eight or Interval Timer HIIT Workout?

Interval Timer HIIT Workout is rated higher. Sprint Eight averages 4.3 out of 5 from 10 ratings, while Interval Timer HIIT Workout averages 4.8 from 334 ratings.

### Do Sprint Eight or Interval Timer HIIT Workout have ads?

Interval Timer HIIT Workout shows ads; Sprint Eight does not.

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

Sprint Eight ships an update every 6 weeks, and Interval Timer HIIT Workout weekly. Most recently, Sprint Eight was updated on September 16, 2026 and Interval Timer HIIT Workout on October 14, 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.*