# zhangbayo vs 웁스(OOPS)

The clearest difference is ads: 웁스(OOPS) at none against zhangbayo's shown. On price, update cadence, 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.

zhangbayo ships an update monthly, 웁스(OOPS) every 3 weeks. The most recent releases landed on September 6, 2026 and August 20, 2026 respectively.

## The numbers

| Metric | zhangbayo | 웁스(OOPS) |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Monthly | **Every 3 weeks** |
| Size | 82 MB | 37 MB |
| Requires iOS | **13.0** | 14.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Seung Dong Cho](https://appshunter.io/developer/1522514636) | [luvmom inc.](https://appshunter.io/developer/1515311415) |

## What reviewers say

### zhangbayo

[App page](https://appshunter.io/ios/app/zhangbayo/id1522514634)

**Features:** macOS Compatibility

**In-app purchases:** none


### 웁스(OOPS)

[App page](https://appshunter.io/ios/app/oops/id6469471975)

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

**In-app purchases:** none


## Frequently asked questions

### Is zhangbayo free?

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

### Is 웁스(OOPS) free?

웁스(OOPS) is free to download, with no in-app purchases.

### Do zhangbayo or 웁스(OOPS) have ads?

zhangbayo shows ads; 웁스(OOPS) does not.

### Which is updated more often, zhangbayo or 웁스(OOPS)?

zhangbayo ships an update monthly, and 웁스(OOPS) every 3 weeks. Most recently, zhangbayo was updated on September 6, 2026 and 웁스(OOPS) on August 20, 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.*