# Sprint Eight vs HIIT

The clearest difference is in-app purchases: Sprint Eight at none against HIIT's 8. Sprint Eight also leads on iOS requirement (10.3 vs 17.0). HIIT's advantage is update cadence (every 2 weeks vs every 6 weeks) and ratings volume (34 vs 10). On price, rating, review sentiment and ads there is nothing between them.

Both are free to download. HIIT sells 8 in-app purchases, starting at $0.99 per month. Sprint Eight asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.3 for Sprint Eight against 4.3 for HIIT. Both are backed by a comparable volume of ratings — 10 and 34 respectively. Written reviews are what separate them: 60% of Sprint Eight's written reviews are positive against 57% of HIIT's.

Sprint Eight ships an update every 6 weeks, HIIT every 2 weeks. The most recent releases landed on September 16, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Sprint Eight | HIIT |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.3 (10 ratings)](https://appshunter.io/ios/app/sprint-eight/id1418761124/reviews) | [4.3 (34 ratings)](https://appshunter.io/ios/app/hiit-simple-interval-timer/id6449472984/reviews) |
| Number of ratings | 10 | **34** |
| Positive reviews | **60.0% of reviews** | 57.1% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 2 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 21 MB | 83 MB |
| Requires iOS | **10.3** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Brad McAnalley](https://appshunter.io/developer/1088438425) | [Maxim Kazakov](https://appshunter.io/developer/1290266003) |

## 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


### HIIT

[App page](https://appshunter.io/ios/app/hiit-simple-interval-timer/id6449472984)

Design and track custom interval running workouts with real-time data and audio cues. This app offers detailed post-run analysis and integrates with Apple Health and Apple Watch for phone-free training.

**Highlights:** Customizable intervals (time, distance, open), Support for HIIT, tempo, fartlek, pyramid, progression workouts, Real-time tracking of pace, cadence, heart rate, Audio cues for guidance, Phone-free Apple Watch operation, Post-run analysis and GPX export, Apple Health integration

**Features:** macOS Compatibility, Apple Watch app

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly Day 2 | $0.99 | per month |
| Premium Weekly | $3.99 | per 7 days |
| Premium Monthly Day 1 | $4.99 | per month |
| Premium Monthly | $9.99 | per month |
| Premium 3 Months | $19.99 | per 3 months |
| Premium Annual Special Offer | $29.99 | per year |
| Interval Run Premium Yearly | $59.99 | per year |
| Intreval Run Premium Lifetime | $39.99 | one-time |


## Frequently asked questions

### Is Sprint Eight free?

Sprint Eight is free to download, with no in-app purchases.

### Is HIIT free?

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

### Which has better reviews, Sprint Eight or HIIT?

Sprint Eight and HIIT are both rated 4.3 out of 5 on the App Store, from 10 and 34 ratings respectively.

### Do Sprint Eight or HIIT have ads?

Neither Sprint Eight nor HIIT shows ads.

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

Sprint Eight ships an update every 6 weeks, and HIIT every 2 weeks. Most recently, Sprint Eight was updated on September 16, 2026 and HIIT on October 6, 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.*