# 체질량지수 BMI 계산기 (비만도 측정) vs Plank Timer

The clearest difference is ads: Plank Timer at none against 체질량지수 BMI 계산기 (비만도 측정)'s shown. 체질량지수 BMI 계산기 (비만도 측정)'s advantage is update cadence (every 2 weeks vs every 4 months) and iOS requirement (13.0 vs 17.0). On price, 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.

체질량지수 BMI 계산기 (비만도 측정) ships an update every 2 weeks, Plank Timer every 4 months. The most recent releases landed on October 4, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | 체질량지수 BMI 계산기 (비만도 측정) | Plank Timer |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Every 2 weeks** | Every 4 months |
| Size | 23 MB | 4 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Seonggon Sim](https://appshunter.io/developer/1565259950) | [LEAN ASIA CO., LTD](https://appshunter.io/developer/1815050814) |

## What reviewers say

### 체질량지수 BMI 계산기 (비만도 측정)

[App page](https://appshunter.io/ios/app/bmi/id6759443501)

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

**In-app purchases:** none


### Plank Timer

[App page](https://appshunter.io/ios/app/plank-timer-8-week-challenge/id6772120957)

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

**In-app purchases:** none


## Frequently asked questions

### Is 체질량지수 BMI 계산기 (비만도 측정) free?

체질량지수 BMI 계산기 (비만도 측정) is free to download, with no in-app purchases.

### Is Plank Timer free?

Plank Timer is free to download, with no in-app purchases.

### Do 체질량지수 BMI 계산기 (비만도 측정) or Plank Timer have ads?

체질량지수 BMI 계산기 (비만도 측정) shows ads; Plank Timer does not.

### Which is updated more often, 체질량지수 BMI 계산기 (비만도 측정) or Plank Timer?

체질량지수 BMI 계산기 (비만도 측정) ships an update every 2 weeks, and Plank Timer every 4 months. Most recently, 체질량지수 BMI 계산기 (비만도 측정) was updated on October 4, 2026 and Plank Timer on October 14, 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.*