# 3/7法 vs 簡単筋トレタイマー

The clearest difference is ads: 3/7法 at none against 簡単筋トレタイマー's shown. 3/7法 also leads on iOS requirement (11.0 vs 15.0). On price, update cadence, 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.

3/7法 ships an update every 4 days, 簡単筋トレタイマー every 5 days. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | 3/7法 | 簡単筋トレタイマー |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 4 days** | Every 5 days |
| Size | 24 MB | 32 MB |
| Requires iOS | **11.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [devenue](https://appshunter.io/developer/1691267014) | [Kenshiro Tammachi](https://appshunter.io/developer/6809838692) |

## What reviewers say

### 3/7法

[App page](https://appshunter.io/ios/app/37/id6464152923)

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

**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 3/7法 free?

3/7法 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 3/7法 or 簡単筋トレタイマー have ads?

簡単筋トレタイマー shows ads; 3/7法 does not.

### Which is updated more often, 3/7法 or 簡単筋トレタイマー?

3/7法 ships an update every 4 days, and 簡単筋トレタイマー every 5 days. Most recently, 3/7法 was updated on November 3, 2026 and 簡単筋トレタイマー 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.*