# Girin vs 첫걸음

The clearest difference is update cadence: 첫걸음 at every 2 weeks against Girin's every 27 months. 첫걸음 also leads on device support (3 vs 1) and iOS requirement (15.0 vs 17.0). On price, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Girin ships an update every 27 months, 첫걸음 every 2 weeks. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Girin | 첫걸음 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/girin/id1556565598/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 27 months | **Every 2 weeks** |
| Monetization | Free | — |
| Size | 57 MB | 90 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [yaehoon Kim](https://appshunter.io/developer/1556565600) | [Tae Kwon Lee](https://appshunter.io/developer/1771042953) |

## What reviewers say

### Girin

[App page](https://appshunter.io/ios/app/girin/id1556565598)

Utilize advanced AR technology to measure and record children's heights without physical charts. Track your child's growth professionally and accurately with built-in iPhone sensors.

**Highlights:** Advanced AR height measurement, Digital height charts for kids, Professional and accurate growth recording, Uses iPhone sensors, No physical stickers or lines needed

**Features:** macOS Compatibility

**In-app purchases:** none


### 첫걸음

[App page](https://appshunter.io/ios/app/id6746450966)

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

**In-app purchases:** none


## Frequently asked questions

### Is Girin free?

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

### Is 첫걸음 free?

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

### Do Girin or 첫걸음 have ads?

Neither Girin nor 첫걸음 shows ads.

### Which is updated more often, Girin or 첫걸음?

Girin ships an update every 27 months, and 첫걸음 every 2 weeks. Most recently, Girin was updated on November 3, 2026 and 첫걸음 on October 31, 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.*