# OZ viewer vs 하이알바

The clearest difference is update cadence: OZ viewer at every 2 days against 하이알바's every 4 days. OZ viewer also leads on iOS requirement (13.4 vs 15.1). 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.

OZ viewer ships an update every 2 days, 하이알바 every 4 days. The most recent releases landed on October 27, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | OZ viewer | 하이알바 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 days** | Every 4 days |
| Size | 12 MB | 25 MB |
| Requires iOS | **13.4** | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 12+ | 4+ |
| Developer | [YLAB Earth](https://appshunter.io/developer/1777383384) | [LEE CHANSEOK](https://appshunter.io/developer/6784592057) |

## What reviewers say

### OZ viewer

[App page](https://appshunter.io/ios/app/oz-viewer/id6737684535)

**Features:** macOS Compatibility

**In-app purchases:** none


### 하이알바

[App page](https://appshunter.io/ios/app/id6784592055)

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

**In-app purchases:** none


## Frequently asked questions

### Is OZ viewer free?

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

### Is 하이알바 free?

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

### Do OZ viewer or 하이알바 have ads?

Neither OZ viewer nor 하이알바 shows ads.

### Which is updated more often, OZ viewer or 하이알바?

OZ viewer ships an update every 2 days, and 하이알바 every 4 days. Most recently, OZ viewer was updated on October 27, 2026 and 하이알바 on October 28, 2026.

---

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