# HIIT Timer vs SIMPLE IRON TIMER

HIIT Timer and SIMPLE IRON TIMER are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

HIIT Timer ships an update every 5 months, SIMPLE IRON TIMER every 2 months. The most recent releases landed on November 7, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | HIIT Timer | SIMPLE IRON TIMER |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Every 5 months | **Every 2 months** |
| Size | 24 MB | 39 MB |
| Requires iOS | 16.1 | **15.1** |
| Devices | iPhone, Apple Watch | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Yoshikazu Takahashi](https://appshunter.io/developer/1557592781) | [Kei Iwata](https://appshunter.io/developer/1896014765) |

## What reviewers say

### HIIT Timer

[App page](https://appshunter.io/ios/app/hiit-timer/id1557592779)

**In-app purchases:** none


### SIMPLE IRON TIMER

[App page](https://appshunter.io/ios/app/simple-iron-timer/id6771781121)

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

**In-app purchases:** none


## Frequently asked questions

### Is HIIT Timer free?

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

### Is SIMPLE IRON TIMER free?

SIMPLE IRON TIMER is free to download, with no in-app purchases.

### Do HIIT Timer or SIMPLE IRON TIMER have ads?

Both HIIT Timer and SIMPLE IRON TIMER show ads.

### Which is updated more often, HIIT Timer or SIMPLE IRON TIMER?

HIIT Timer ships an update every 5 months, and SIMPLE IRON TIMER every 2 months. Most recently, HIIT Timer was updated on November 7, 2026 and SIMPLE IRON TIMER on October 31, 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.*