# Diffu vs 주주

The clearest difference is update cadence: 주주 at every 5 days against Diffu's every 2 weeks. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Diffu sells 6 in-app purchases, starting at $2.99 per month and 주주 sells 1 in-app purchase, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

Diffu ships an update every 2 weeks, 주주 every 5 days. Both last shipped on October 31, 2026.

## The numbers

| Metric | Diffu | 주주 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 2 weeks | **Every 5 days** |
| Size | 73 MB | 162 MB |
| Requires iOS | **15.0** | 15.5 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Jeong-Hwan Jang](https://appshunter.io/developer/1880755654) | [YOUNGJUN NOH](https://appshunter.io/developer/1861375550) |

## What reviewers say

### Diffu

[App page](https://appshunter.io/ios/app/diffu-something-to-say/id6759802088)

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Diffu Premium | $2.99 | per month |
| Diffu Premium | $29.99 | per year |
| 100 엠버 | $0.49 | one-time |
| 500 엠버 | $2.99 | one-time |
| 1000 엠버 | $6.99 | one-time |
| 3000 엠버 | $19.99 | one-time |


### 주주

[App page](https://appshunter.io/ios/app/id6761988099)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| zuzoo pro | $0.99 | per month |


## Frequently asked questions

### Is Diffu free?

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

### Is 주주 free?

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

### Do Diffu or 주주 have ads?

Both Diffu and 주주 show ads.

### Which is updated more often, Diffu or 주주?

Diffu ships an update every 2 weeks, and 주주 every 5 days. Most recently, Diffu was updated on October 31, 2026 and 주주 on October 31, 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.*