# 紙言 vs Book Light 書光光

The clearest difference is in-app purchases: 紙言 at none against Book Light 書光光's 1. Book Light 書光光's advantage is iOS requirement (15.5 vs 18.0). On price, update cadence, 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. 紙言 asks for nothing beyond the download.

紙言 ships an update weekly, Book Light 書光光 every 9 days. The most recent releases landed on October 19, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | 紙言 | Book Light 書光光 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (3 ratings)](https://appshunter.io/ios/app/id1087915191/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 32.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Weekly** | Every 9 days |
| Size | 12 MB | 84 MB |
| Requires iOS | 18.0 | **15.5** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 12+ | 4+ |
| Developer | [invivo](https://appshunter.io/developer/1003008677) | [Cheuk Yan Law](https://appshunter.io/developer/1861303384) |

## What reviewers say

### 紙言

[App page](https://appshunter.io/ios/app/id1087915191)

**Features:** macOS Compatibility

**In-app purchases:** none

**What reviewers like**

- 👍 Good app
- 👍 Excellent app
- 👍 Support the app
- 👍 Convenient to use
- 👍 Good companion for commute

**What reviewers complain about**

- 🐛 Frequent crashes
- 🐛 App keeps crashing
- 🐛 Constant crashing
- 🐛 App is buggy
- 🐛 High battery drain

**Reported bugs**

- App crashes frequently
- App keeps crashing
- Constant crashing
- App is buggy
- App drains battery

**Requested features**

- Add writing function on mobile
- Add bookmark function
- Add history record
- Add dark mode (black background with white text)
- Add offline reading functionality


### 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 紙言 free?

紙言 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 紙言 or Book Light 書光光 have ads?

Neither 紙言 nor Book Light 書光光 shows ads.

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

紙言 ships an update weekly, and Book Light 書光光 every 9 days. Most recently, 紙言 was updated on October 19, 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.*