# JK서울안과 vs 칼로리랩

The clearest difference is update cadence: 칼로리랩 at monthly against JK서울안과's every 4 months. JK서울안과's advantage is iOS requirement (12.0 vs 15.6). On price, ads, 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.

JK서울안과 ships an update every 4 months, 칼로리랩 monthly. The most recent releases landed on October 13, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | JK서울안과 | 칼로리랩 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Monthly** |
| Size | 40 MB | 58 MB |
| Requires iOS | **12.0** | 15.6 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Hyung Seok Cho](https://appshunter.io/developer/1510313537) | [TLC Healthcare Inc.](https://appshunter.io/developer/1693192935) |

## What reviewers say

### JK서울안과

[App page](https://appshunter.io/ios/app/jk/id1510313538)

**Features:** macOS Compatibility

**In-app purchases:** none


### 칼로리랩

[App page](https://appshunter.io/ios/app/id6651836435)

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

**In-app purchases:** none


## Frequently asked questions

### Is JK서울안과 free?

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

### Is 칼로리랩 free?

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

### Do JK서울안과 or 칼로리랩 have ads?

Neither JK서울안과 nor 칼로리랩 shows ads.

### Which is updated more often, JK서울안과 or 칼로리랩?

JK서울안과 ships an update every 4 months, and 칼로리랩 monthly. Most recently, JK서울안과 was updated on October 13, 2026 and 칼로리랩 on October 24, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*