# HIIT Timer vs Simple Interval Workout Timer

The clearest difference is in-app purchases: Simple Interval Workout Timer at none against HIIT Timer's 1. HIIT Timer's advantage is update cadence (weekly vs every 2 weeks) and iOS requirement (13.0 vs 17). 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. Simple Interval Workout Timer asks for nothing beyond the download.

HIIT Timer ships an update weekly, Simple Interval Workout Timer every 2 weeks. The most recent releases landed on September 10, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | HIIT Timer | Simple Interval Workout Timer |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Weekly** | Every 2 weeks |
| Size | 44 MB | 12 MB |
| Requires iOS | **13.0** | 17 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Junhyong Park](https://appshunter.io/developer/1847163468) | [Nikola Radovanovic](https://appshunter.io/developer/1778432344) |

## 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 |


### Simple Interval Workout Timer

[App page](https://appshunter.io/ios/app/simple-interval-workout-timer/id6759857813)

**Features:** macOS Compatibility, 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 Simple Interval Workout Timer free?

Simple Interval Workout Timer is free to download, with no in-app purchases.

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

Neither HIIT Timer nor Simple Interval Workout Timer shows ads.

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

HIIT Timer ships an update weekly, and Simple Interval Workout Timer every 2 weeks. Most recently, HIIT Timer was updated on September 10, 2026 and Simple Interval Workout Timer on September 22, 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.*