# 筋トレ・体組成記録 Fittune vs Interval Run

The clearest difference is ads: 筋トレ・体組成記録 Fittune at none against Interval Run's shown. Interval Run's advantage is iOS requirement (15.0 vs 17.0). On price, update cadence, in-app purchases and device support there is nothing between them.

Both are free to download. 筋トレ・体組成記録 Fittune sells 3 one-off in-app purchases and Interval Run sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

筋トレ・体組成記録 Fittune ships an update every 3 days, Interval Run every 4 days. The most recent releases landed on October 26, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | 筋トレ・体組成記録 Fittune | Interval Run |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 3 days** | Every 4 days |
| Size | 9 MB | 55 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone, iPad, Apple Watch | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [icot](https://appshunter.io/developer/315124358) | [Yoo jaesung](https://appshunter.io/developer/1550716656) |

## What reviewers say

### 筋トレ・体組成記録 Fittune

[App page](https://appshunter.io/ios/app/fittune/id6769191057)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| コーヒー1杯 | $0.49 | one-time |
| ランチ1食 | $2.99 | one-time |
| ちょっと豪華に | $9.99 | one-time |


### Interval Run

[App page](https://appshunter.io/ios/app/interval-run-treadmill-coach/id6812627914)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $1.00 | one-time |


## Frequently asked questions

### Is 筋トレ・体組成記録 Fittune free?

筋トレ・体組成記録 Fittune is free to download, with in-app purchases available.

### Is Interval Run free?

Interval Run is free to download, with in-app purchases available.

### Do 筋トレ・体組成記録 Fittune or Interval Run have ads?

Interval Run shows ads; 筋トレ・体組成記録 Fittune does not.

### Which is updated more often, 筋トレ・体組成記録 Fittune or Interval Run?

筋トレ・体組成記録 Fittune ships an update every 3 days, and Interval Run every 4 days. Most recently, 筋トレ・体組成記録 Fittune was updated on October 26, 2026 and Interval Run on October 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.*