# JK서울안과 vs 마음이음성남

The clearest difference is update cadence: 마음이음성남 at every 3 weeks against JK서울안과's every 4 months. 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, 마음이음성남 every 3 weeks. The most recent releases landed on November 3, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | JK서울안과 | 마음이음성남 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 3 weeks** |
| Size | 40 MB | 59 MB |
| Requires iOS | **12.0** | 13.0 |
| 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


### 마음이음성남

[App page](https://appshunter.io/ios/app/id6702011922)

**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 마음이음성남 free?

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

### Do JK서울안과 or 마음이음성남 have ads?

Neither JK서울안과 nor 마음이음성남 shows ads.

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

JK서울안과 ships an update every 4 months, and 마음이음성남 every 3 weeks. Most recently, JK서울안과 was updated on November 3, 2026 and 마음이음성남 on October 27, 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.*