# Chama Optics vs 출사지도

The clearest difference is update cadence: Chama Optics at every 3 days against 출사지도's every 9 days. 출사지도's advantage is iOS requirement (15.0 vs 17.6). 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.

Chama Optics ships an update every 3 days, 출사지도 every 9 days. The most recent releases landed on October 25, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Chama Optics | 출사지도 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 days** | Every 9 days |
| Size | 88 MB | 9 MB |
| Requires iOS | 17.6 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Jinwoo Park](https://appshunter.io/developer/1873974632) | [YEJUN YOU](https://appshunter.io/developer/1880267254) |

## What reviewers say

### Chama Optics

[App page](https://appshunter.io/ios/app/chama-optics/id6758618498)

**Features:** macOS Compatibility

**In-app purchases:** none


### 출사지도

[App page](https://appshunter.io/ios/app/id6759699485)

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

**In-app purchases:** none


## Frequently asked questions

### Is Chama Optics free?

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

### Is 출사지도 free?

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

### Do Chama Optics or 출사지도 have ads?

Neither Chama Optics nor 출사지도 shows ads.

### Which is updated more often, Chama Optics or 출사지도?

Chama Optics ships an update every 3 days, and 출사지도 every 9 days. Most recently, Chama Optics was updated on October 25, 2026 and 출사지도 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.*