# 아차차 vs 10iary

The clearest difference is ads: 10iary at none against 아차차's shown. 아차차's advantage is update cadence (every 2 days vs every 3 weeks) and iOS requirement (14.0 vs 17.0). 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.

아차차 ships an update every 2 days, 10iary every 3 weeks. The most recent releases landed on October 5, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | 아차차 | 10iary |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Every 2 days** | Every 3 weeks |
| Size | 12 MB | 2 MB |
| Requires iOS | **14.0** | 17.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [Chaehui Seo](https://appshunter.io/developer/1533035572) | [DONG WOOK KIM](https://appshunter.io/developer/1886205960) |

## What reviewers say

### 아차차

[App page](https://appshunter.io/ios/app/id6468587143)

**In-app purchases:** none


### 10iary

[App page](https://appshunter.io/ios/app/10iary-ten-year-diary/id6812799163)

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

**In-app purchases:** none


## Frequently asked questions

### Is 아차차 free?

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

### Is 10iary free?

10iary is free to download, with no in-app purchases.

### Do 아차차 or 10iary have ads?

아차차 shows ads; 10iary does not.

### Which is updated more often, 아차차 or 10iary?

아차차 ships an update every 2 days, and 10iary every 3 weeks. Most recently, 아차차 was updated on October 5, 2026 and 10iary 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.*