# mo vs 모이모이 moimoi

The clearest difference is ads: mo at none against 모이모이 moimoi's shown. mo also leads on iOS requirement (12.0 vs 15.0). 모이모이 moimoi's advantage is update cadence (every 2 days vs every 6 weeks). On price, 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.

mo ships an update every 6 weeks, 모이모이 moimoi every 2 days. The most recent releases landed on October 8, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | mo | 모이모이 moimoi |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 6 weeks | **Every 2 days** |
| Size | 28 MB | 15 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Apple Watch** |
| Age rating | 4+ | 12+ |
| Developer | [JAEMIN LEE](https://appshunter.io/developer/1787329213) | [Jaehwan Kim](https://appshunter.io/developer/6788606911) |

## What reviewers say

### mo

[App page](https://appshunter.io/ios/app/mo-when-youre-stuck/id6742109565)

**In-app purchases:** none


### 모이모이 moimoi

[App page](https://appshunter.io/ios/app/moimoi/id6792293891)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is mo free?

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

### Is 모이모이 moimoi free?

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

### Do mo or 모이모이 moimoi have ads?

모이모이 moimoi shows ads; mo does not.

### Which is updated more often, mo or 모이모이 moimoi?

mo ships an update every 6 weeks, and 모이모이 moimoi every 2 days. Most recently, mo was updated on October 8, 2026 and 모이모이 moimoi on October 14, 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.*