# BMI・体脂肪率と筋肉量をチェックするシンプルな健康アプリ vs Let's

The clearest difference is in-app purchases: Let's at none against BMI・体脂肪率と筋肉量をチェックするシンプルな健康アプリ's 2. Let's also leads on ads (none vs shown) and update cadence (every 3 weeks vs every 2 months). On price, device support and iOS requirement there is nothing between them.

Both are free to download. BMI・体脂肪率と筋肉量をチェックするシンプルな健康アプリ sells 2 one-off in-app purchases. Let's asks for nothing beyond the download.

BMI・体脂肪率と筋肉量をチェックするシンプルな健康アプリ ships an update every 2 months, Let's every 3 weeks. The most recent releases landed on October 24, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | BMI・体脂肪率と筋肉量をチェックするシンプルな健康アプリ | Let's |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (109 ratings)](https://appshunter.io/ios/app/bmi/id954310830/reviews)** | — |
| Number of ratings | **109** | — |
| Positive reviews | 82.5% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | Free with in-app purchases | — |
| Size | 42 MB | 15 MB |
| Requires iOS | **15.0** | 16.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [hiroki sugimoto](https://appshunter.io/developer/951321800) | [jinsei shima](https://appshunter.io/developer/1168906089) |

## What reviewers say

### BMI・体脂肪率と筋肉量をチェックするシンプルな健康アプリ

[App page](https://appshunter.io/ios/app/bmi/id954310830)

Easily track your weight and body fat percentage with this simple application. View your progress over time with easy-to-understand graphs. Includes a pedometer function using iOS health data.

**Highlights:** Record weight and body fat, View progress on graphs, Weekly, monthly, and yearly graph views, Simple and easy to use, Pedometer function, Integrates with iOS Health

**Features:** Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 広告非表示 | $1.99 | one-time |
| 全機能開放 | $3.99 | one-time |


### Let's

[App page](https://appshunter.io/ios/app/lets-a-diet-app/id1661990478)

**In-app purchases:** none


## Frequently asked questions

### Is BMI・体脂肪率と筋肉量をチェックするシンプルな健康アプリ free?

BMI・体脂肪率と筋肉量をチェックするシンプルな健康アプリ is free to download, with in-app purchases available.

### Is Let's free?

Let's is free to download, with no in-app purchases.

### Do BMI・体脂肪率と筋肉量をチェックするシンプルな健康アプリ or Let's have ads?

BMI・体脂肪率と筋肉量をチェックするシンプルな健康アプリ shows ads; Let's does not.

### Which is updated more often, BMI・体脂肪率と筋肉量をチェックするシンプルな健康アプリ or Let's?

BMI・体脂肪率と筋肉量をチェックするシンプルな健康アプリ ships an update every 2 months, and Let's every 3 weeks. Most recently, BMI・体脂肪率と筋肉量をチェックするシンプルな健康アプリ was updated on October 24, 2026 and Let's 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.*