# Interval Timer・HIIT Timer vs Workout Timer

The clearest difference is update cadence: Interval Timer・HIIT Timer at every 4 days against Workout Timer's every 3 weeks. Interval Timer・HIIT Timer also leads on iOS requirement (15.0 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Interval Timer・HIIT Timer sells 2 in-app purchases, starting at $2.99 per month and Workout Timer sells 3 in-app purchases, starting at $5.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Interval Timer・HIIT Timer ships an update every 4 days, Workout Timer every 3 weeks. The most recent releases landed on September 19, 2026 and August 16, 2026 respectively.

## The numbers

| Metric | Interval Timer・HIIT Timer | Workout Timer |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 4 days** | Every 3 weeks |
| Size | 74 MB | 28 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Reva Desai](https://appshunter.io/developer/1780266324) | [Lalsang Chauhan](https://appshunter.io/developer/6777027233) |

## What reviewers say

### Interval Timer・HIIT Timer

[App page](https://appshunter.io/ios/app/interval-timerhiit-timer/id6748070178)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly Access | $2.99 | per month |
| Premium Yearly Access | $19.99 | per year |


### Workout Timer

[App page](https://appshunter.io/ios/app/workout-timer-repsy/id6784221190)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Repsy Pro Weekly | $5.99 | per 7 days |
| Repsy Pro Yearly | $19.99 | per year |
| Repsy Pro Lifetime | $9.99 | one-time |


## Frequently asked questions

### Is Interval Timer・HIIT Timer free?

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

### Is Workout Timer free?

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

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

Neither Interval Timer・HIIT Timer nor Workout Timer shows ads.

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

Interval Timer・HIIT Timer ships an update every 4 days, and Workout Timer every 3 weeks. Most recently, Interval Timer・HIIT Timer was updated on September 19, 2026 and Workout Timer on August 16, 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.*