# Flyleaf vs 책수증

The clearest difference is iOS requirement: 책수증 at 17.0 against Flyleaf's 26.5. On update cadence, ads, in-app purchases and device support there is nothing between them.

Flyleaf ships an update every 3 weeks, 책수증 every 2 weeks. The most recent releases landed on September 30, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Flyleaf | 책수증 |
| --- | --- | --- |
| Price | **Free** | — |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 2 weeks** |
| Size | 30 MB | 2 MB |
| Requires iOS | 26.5 | **17.0** |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Seongil Yeo](https://appshunter.io/developer/1727822236) | [YUJIN JEON](https://appshunter.io/developer/1849678227) |

## What reviewers say

### Flyleaf

[App page](https://appshunter.io/ios/app/flyleaf/id6759834893)

**In-app purchases:** none


### 책수증

[App page](https://appshunter.io/ios/app/id6796149484)

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

**In-app purchases:** none


## Frequently asked questions

### Is Flyleaf free?

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

### Is 책수증 free?

Pricing for 책수증 is not currently listed on the App Store.

### Do Flyleaf or 책수증 have ads?

Neither Flyleaf nor 책수증 shows ads.

### Which is updated more often, Flyleaf or 책수증?

Flyleaf ships an update every 3 weeks, and 책수증 every 2 weeks. Most recently, Flyleaf was updated on September 30, 2026 and 책수증 on October 7, 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.*