# HIIT Timer vs Exercise Timer Resero

The clearest difference is in-app purchases: Exercise Timer Resero at none against HIIT Timer's 1. HIIT Timer's advantage is update cadence (weekly vs every 3 weeks) and iOS requirement (13.0 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. HIIT Timer sells 1 one-off in-app purchase. Exercise Timer Resero asks for nothing beyond the download.

HIIT Timer ships an update weekly, Exercise Timer Resero every 3 weeks. The most recent releases landed on September 10, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | HIIT Timer | Exercise Timer Resero |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Weekly** | Every 3 weeks |
| Size | 44 MB | 112 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Junhyong Park](https://appshunter.io/developer/1847163468) | [Imarum GmbH](https://appshunter.io/developer/1856347447) |

## What reviewers say

### HIIT Timer

[App page](https://appshunter.io/ios/app/hiit-timer-tabata-and-boxing/id6755115302)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Upgrade | $1.99 | one-time |


### Exercise Timer Resero

[App page](https://appshunter.io/ios/app/exercise-timer-resero/id6761783791)

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

**In-app purchases:** none


## Frequently asked questions

### Is HIIT Timer free?

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

### Is Exercise Timer Resero free?

Exercise Timer Resero is free to download, with no in-app purchases.

### Do HIIT Timer or Exercise Timer Resero have ads?

Neither HIIT Timer nor Exercise Timer Resero shows ads.

### Which is updated more often, HIIT Timer or Exercise Timer Resero?

HIIT Timer ships an update weekly, and Exercise Timer Resero every 3 weeks. Most recently, HIIT Timer was updated on September 10, 2026 and Exercise Timer Resero on September 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.*