# HIIT Timer vs 簡単筋トレタイマー

The clearest difference is update cadence: 簡単筋トレタイマー at every 5 days against HIIT Timer's every 5 months. 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 Timer ships an update every 5 months, 簡単筋トレタイマー every 5 days. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | HIIT Timer | 簡単筋トレタイマー |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Every 5 months | **Every 5 days** |
| Size | 24 MB | 32 MB |
| Requires iOS | 16.1 | **15.0** |
| Devices | iPhone, Apple Watch | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Yoshikazu Takahashi](https://appshunter.io/developer/1557592781) | [Kenshiro Tammachi](https://appshunter.io/developer/6809838692) |

## What reviewers say

### HIIT Timer

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

**In-app purchases:** none


### 簡単筋トレタイマー

[App page](https://appshunter.io/ios/app/id6810177775)

**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 簡単筋トレタイマー free?

簡単筋トレタイマー is free to download, with no in-app purchases.

### Do HIIT Timer or 簡単筋トレタイマー have ads?

Both HIIT Timer and 簡単筋トレタイマー show ads.

### Which is updated more often, HIIT Timer or 簡単筋トレタイマー?

HIIT Timer ships an update every 5 months, and 簡単筋トレタイマー every 5 days. Most recently, HIIT Timer was updated on October 25, 2026 and 簡単筋トレタイマー on October 24, 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.*