# Tomorrow Diary vs 아차차

The clearest difference is ads: Tomorrow Diary at none against 아차차's shown. Tomorrow Diary also leads on iOS requirement (11.0 vs 14.0). On price, update cadence, 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.

Tomorrow Diary ships an update every 5 days, 아차차 every 2 days. The most recent releases landed on September 29, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | Tomorrow Diary | 아차차 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 5 days | **Every 2 days** |
| Size | 72 MB | 12 MB |
| Requires iOS | **11.0** | 14.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [JIN SUNG KIM](https://appshunter.io/developer/1647205887) | [Chaehui Seo](https://appshunter.io/developer/1533035572) |

## What reviewers say

### Tomorrow Diary

[App page](https://appshunter.io/ios/app/tomorrow-diary/id6462904457)

**Features:** macOS Compatibility

**In-app purchases:** none


### 아차차

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

**In-app purchases:** none


## Frequently asked questions

### Is Tomorrow Diary free?

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

### Is 아차차 free?

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

### Do Tomorrow Diary or 아차차 have ads?

아차차 shows ads; Tomorrow Diary does not.

### Which is updated more often, Tomorrow Diary or 아차차?

Tomorrow Diary ships an update every 5 days, and 아차차 every 2 days. Most recently, Tomorrow Diary was updated on September 29, 2026 and 아차차 on October 5, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*