# Bye Boo 바이부 vs 모구

The clearest difference is update cadence: 모구 at every 4 days against Bye Boo 바이부's monthly. 모구 also leads on device support (3 vs 1). On price, ads, in-app purchases and iOS requirement there is nothing between them.

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

Bye Boo 바이부 ships an update monthly, 모구 every 4 days. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Bye Boo 바이부 | 모구 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Every 4 days** |
| Size | 99 MB | 43 MB |
| Requires iOS | 16.6 | **15.1** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Juri Choi](https://appshunter.io/developer/1824601251) | [jaeyoung cho](https://appshunter.io/developer/1874513235) |

## What reviewers say

### Bye Boo 바이부

[App page](https://appshunter.io/ios/app/bye-boo/id6748205348)

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

**In-app purchases:** none


### 모구

[App page](https://appshunter.io/ios/app/id6761245512)

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

**In-app purchases:** none


## Frequently asked questions

### Is Bye Boo 바이부 free?

Bye Boo 바이부 is free to download, with no in-app purchases.

### Is 모구 free?

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

### Do Bye Boo 바이부 or 모구 have ads?

Neither Bye Boo 바이부 nor 모구 shows ads.

### Which is updated more often, Bye Boo 바이부 or 모구?

Bye Boo 바이부 ships an update monthly, and 모구 every 4 days. Most recently, Bye Boo 바이부 was updated on October 25, 2026 and 모구 on October 24, 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.*