# 爽讀 vs Book Light 書光光

The clearest difference is in-app purchases: 爽讀 at none against Book Light 書光光's 1. 爽讀 also leads on iOS requirement (13.0 vs 15.5). Book Light 書光光's advantage is update cadence (every 9 days vs every 2 months). On price, ads and device support there is nothing between them.

Both are free to download. Book Light 書光光 sells 1 one-off in-app purchase. 爽讀 asks for nothing beyond the download.

爽讀 ships an update every 2 months, Book Light 書光光 every 9 days. The most recent releases landed on October 8, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | 爽讀 | Book Light 書光光 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 9 days** |
| Size | 70 MB | 84 MB |
| Requires iOS | **13.0** | 15.5 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Sonbooks Publishing Co., Ltd.](https://appshunter.io/developer/1657308163) | [Cheuk Yan Law](https://appshunter.io/developer/1861303384) |

## What reviewers say

### 爽讀

[App page](https://appshunter.io/ios/app/id6444843912)

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

**In-app purchases:** none


### Book Light 書光光

[App page](https://appshunter.io/ios/app/book-light/id6809764007)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 請我食燒賣 | $1.99 | one-time |


## Frequently asked questions

### Is 爽讀 free?

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

### Is Book Light 書光光 free?

Book Light 書光光 is free to download, with in-app purchases available.

### Do 爽讀 or Book Light 書光光 have ads?

Neither 爽讀 nor Book Light 書光光 shows ads.

### Which is updated more often, 爽讀 or Book Light 書光光?

爽讀 ships an update every 2 months, and Book Light 書光光 every 9 days. Most recently, 爽讀 was updated on October 8, 2026 and Book Light 書光光 on October 14, 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.*