# HIIT Workouts vs Sparring Clock

The clearest difference is update cadence: Sparring Clock at every 3 days against HIIT Workouts's weekly. Sparring Clock also leads on iOS requirement (15.0 vs 26.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

HIIT Workouts ships an update weekly, Sparring Clock every 3 days. The most recent releases landed on October 5, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | HIIT Workouts | Sparring Clock |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Weekly | **Every 3 days** |
| Size | 2 MB | 23 MB |
| Requires iOS | 26.0 | **15.0** |
| Devices | iPhone, Apple Watch | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Rouslan Zenetl](https://appshunter.io/developer/1629490886) | [Stk Bayramolu](https://appshunter.io/developer/6802808204) |

## What reviewers say

### HIIT Workouts

[App page](https://appshunter.io/ios/app/hiit-workouts/id6778631886)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


### Sparring Clock

[App page](https://appshunter.io/ios/app/sparring-clock/id6802808202)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is HIIT Workouts free?

HIIT Workouts is free to download, with no in-app purchases.

### Is Sparring Clock free?

Sparring Clock is free to download, with no in-app purchases.

### Do HIIT Workouts or Sparring Clock have ads?

Neither HIIT Workouts nor Sparring Clock shows ads.

### Which is updated more often, HIIT Workouts or Sparring Clock?

HIIT Workouts ships an update weekly, and Sparring Clock every 3 days. Most recently, HIIT Workouts was updated on October 5, 2026 and Sparring Clock 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.*