# HowCal 厚呷 vs BMI体脂·健康工具箱

The clearest difference is in-app purchases: HowCal 厚呷 at none against BMI体脂·健康工具箱's 1. HowCal 厚呷 also leads on update cadence (every 3 days vs every 10 days). BMI体脂·健康工具箱's advantage is iOS requirement (17.0 vs 26.2). On price, ads and device support there is nothing between them.

Both are free to download. BMI体脂·健康工具箱 sells 1 one-off in-app purchase. HowCal 厚呷 asks for nothing beyond the download.

HowCal 厚呷 ships an update every 3 days, BMI体脂·健康工具箱 every 10 days. The most recent releases landed on October 17, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | HowCal 厚呷 | BMI体脂·健康工具箱 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 3 days** | Every 10 days |
| Size | 2 MB | 6 MB |
| Requires iOS | 26.2 | **17.0** |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 12+ |
| Developer | [CHUNG-CHING WONG](https://appshunter.io/developer/1875561053) | [磊 刘](https://appshunter.io/developer/1892400556) |

## What reviewers say

### HowCal 厚呷

[App page](https://appshunter.io/ios/app/howcal/id6758891172)

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

**In-app purchases:** none


### BMI体脂·健康工具箱

[App page](https://appshunter.io/ios/app/bmi/id6773011713)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Minimalist Health Toolbkit PRO | $1.99 | one-time |


## Frequently asked questions

### Is HowCal 厚呷 free?

HowCal 厚呷 is free to download, with no in-app purchases.

### Is BMI体脂·健康工具箱 free?

BMI体脂·健康工具箱 is free to download, with in-app purchases available.

### Do HowCal 厚呷 or BMI体脂·健康工具箱 have ads?

Neither HowCal 厚呷 nor BMI体脂·健康工具箱 shows ads.

### Which is updated more often, HowCal 厚呷 or BMI体脂·健康工具箱?

HowCal 厚呷 ships an update every 3 days, and BMI体脂·健康工具箱 every 10 days. Most recently, HowCal 厚呷 was updated on October 17, 2026 and BMI体脂·健康工具箱 on October 12, 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.*