# BookSynapse vs 다섯별책장

The clearest difference is iOS requirement: BookSynapse at 15.0 against 다섯별책장's 17.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Both ship on a similar rhythm, roughly every 2 days. Both last shipped on October 18, 2026.

## The numbers

| Metric | BookSynapse | 다섯별책장 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 days | Every 2 days |
| Size | 6 MB | 17 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [Jihye Shin](https://appshunter.io/developer/1895853325) | [Yena Kim](https://appshunter.io/developer/6792859587) |

## What reviewers say

### BookSynapse

[App page](https://appshunter.io/ios/app/booksynapse/id6764621912)

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

**In-app purchases:** none


### 다섯별책장

[App page](https://appshunter.io/ios/app/id6792859585)

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

**In-app purchases:** none


## Frequently asked questions

### Is BookSynapse free?

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

### Is 다섯별책장 free?

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

### Do BookSynapse or 다섯별책장 have ads?

Neither BookSynapse nor 다섯별책장 shows ads.

### Which is updated more often, BookSynapse or 다섯별책장?

BookSynapse ships an update every 2 days, and 다섯별책장 every 2 days. Most recently, BookSynapse was updated on October 18, 2026 and 다섯별책장 on October 18, 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.*