# DiffuserStick vs 모구

The clearest difference is in-app purchases: 모구 at none against DiffuserStick's 1. 모구 also leads on ads (none vs shown) and update cadence (every 4 days vs every 12 months). DiffuserStick's advantage is iOS requirement (12.1 vs 15.1). On price and device support there is nothing between them.

Both are free to download. DiffuserStick sells 1 one-off in-app purchase. 모구 asks for nothing beyond the download.

DiffuserStick ships an update every 12 months, 모구 every 4 days. The most recent releases landed on September 30, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | DiffuserStick | 모구 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 12 months | **Every 4 days** |
| Size | 17 MB | 43 MB |
| Requires iOS | **12.1** | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Bum Tae Yoon](https://appshunter.io/developer/1578285460) | [jaeyoung cho](https://appshunter.io/developer/1874513235) |

## What reviewers say

### DiffuserStick

[App page](https://appshunter.io/ios/app/diffuserstick/id1578285458)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove all ads 1 | $0.99 | one-time |


### 모구

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

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

**In-app purchases:** none


## Frequently asked questions

### Is DiffuserStick free?

DiffuserStick is free to download, with in-app purchases available.

### Is 모구 free?

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

### Do DiffuserStick or 모구 have ads?

DiffuserStick shows ads; 모구 does not.

### Which is updated more often, DiffuserStick or 모구?

DiffuserStick ships an update every 12 months, and 모구 every 4 days. Most recently, DiffuserStick was updated on September 30, 2026 and 모구 on October 12, 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.*