# 하이진 vs 잇다북

The clearest difference is update cadence: 잇다북 at every 2 weeks against 하이진's every 7 months. 하이진's advantage is iOS requirement (13.0 vs 15.0). On price, ads, 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.

하이진 ships an update every 7 months, 잇다북 every 2 weeks. The most recent releases landed on October 27, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | 하이진 | 잇다북 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 2 weeks** |
| Size | 19 MB | 10 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 12+ |
| Developer | [Hyungji Innovation and Creative Company Limited](https://appshunter.io/developer/1682845651) | [주식회사 잇다](https://appshunter.io/developer/1868293539) |

## What reviewers say

### 하이진

[App page](https://appshunter.io/ios/app/id6447831431)

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

**In-app purchases:** none


### 잇다북

[App page](https://appshunter.io/ios/app/id6757687744)

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

**In-app purchases:** none


## Frequently asked questions

### Is 하이진 free?

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

### Is 잇다북 free?

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

### Do 하이진 or 잇다북 have ads?

Neither 하이진 nor 잇다북 shows ads.

### Which is updated more often, 하이진 or 잇다북?

하이진 ships an update every 7 months, and 잇다북 every 2 weeks. Most recently, 하이진 was updated on October 27, 2026 and 잇다북 on October 28, 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.*