# Uchinoko Diary vs 댕약

The clearest difference is ads: 댕약 at none against Uchinoko Diary's shown. Uchinoko Diary's advantage is update cadence (every 4 days vs every 2 weeks). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Uchinoko Diary sells 1 one-off in-app purchase and 댕약 sells 2 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Uchinoko Diary ships an update every 4 days, 댕약 every 2 weeks. The most recent releases landed on November 9, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Uchinoko Diary | 댕약 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 4 days** | Every 2 weeks |
| Size | 231 MB | 38 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Ota Sato](https://appshunter.io/developer/1895370516) | [jiyoung choi](https://appshunter.io/developer/1585999913) |

## What reviewers say

### Uchinoko Diary

[App page](https://appshunter.io/ios/app/uchinoko-diary/id6763551724)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 広告を非表示にする | $2.99 | one-time |


### 댕약

[App page](https://appshunter.io/ios/app/id6779951878)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $0.99 | one-time |
| Premium Lifetime | $2.99 | one-time |


## Frequently asked questions

### Is Uchinoko Diary free?

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

### Is 댕약 free?

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

### Do Uchinoko Diary or 댕약 have ads?

Uchinoko Diary shows ads; 댕약 does not.

### Which is updated more often, Uchinoko Diary or 댕약?

Uchinoko Diary ships an update every 4 days, and 댕약 every 2 weeks. Most recently, Uchinoko Diary was updated on November 9, 2026 and 댕약 on November 5, 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.*