# 知書Nowbook vs 3ook.com Li3rary

The clearest difference is rating: 3ook.com Li3rary at 5.0 against 知書Nowbook's 4.5. 3ook.com Li3rary also leads on update cadence (weekly vs every 2 months). 知書Nowbook's advantage is iOS requirement (11.0 vs 15.1). On price, ratings volume, ads and in-app purchases there is nothing between them.

Both are free to download. 知書Nowbook sells 8 one-off in-app purchases and 3ook.com Li3rary sells 2 in-app purchases, starting at $9.99 per month. Whichever you choose, the download price is not the number that matters.

3ook.com Li3rary holds the better App Store score, 5.0 against 4.5. Both are backed by a comparable volume of ratings — 2 and 1 respectively.

知書Nowbook ships an update every 2 months, 3ook.com Li3rary weekly. The most recent releases landed on July 16, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | 知書Nowbook | 3ook.com Li3rary |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (2 ratings)](https://appshunter.io/ios/app/nowbook/id1446373183/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/3ookcom-li3rary/id6757783481/reviews)** |
| Number of ratings | **2** | 1 |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Weekly** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 45 MB | 49 MB |
| Requires iOS | **11.0** | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Sino United Electronic Publishing Limited](https://appshunter.io/developer/660144353) | [Liker Land, Inc.](https://appshunter.io/developer/1885530949) |

## What reviewers say

### 知書Nowbook

[App page](https://appshunter.io/ios/app/nowbook/id1446373183)

This platform offers a comprehensive reading experience, combining e-books, audiobooks, courses, and video content. It features a vast collection of Chinese literature and aims to be a leading Cantonese audiobook resource.

**Highlights:** Extensive e-book library, Cantonese audiobook collection, Multimedia courses, Author interviews and video content, Daily content updates, Hong Kong and international Chinese literature

**Features:** macOS Compatibility

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 8知書幣 | $0.99 | one-time |
| 38知書幣 | $4.99 | one-time |
| 58知書幣 | $7.99 | one-time |
| 80知書幣 | $9.99 | one-time |
| 193知書幣 | $23.99 | one-time |
| 248知書幣 | $24.99 | one-time |
| 298知書幣 | $36.99 | one-time |
| 403知書幣 | $48.99 | one-time |


### 3ook.com Li3rary

[App page](https://appshunter.io/ios/app/3ookcom-li3rary/id6757783481)

Access thousands of Chinese ebooks with Cantonese, Mandarin, and English narration. Switch seamlessly between reading and listening, and own your books permanently. A subscription unlocks unlimited borrowing, custom narration, and exclusive discounts.

**Highlights:** Thousands of Chinese ebooks, Cantonese, Mandarin, English narration, Seamless read/listen switching, Own books permanently, Unlimited borrowing with Plus, Custom voice narration

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Plus Member (Monthly) | $9.99 | per month |
| Plus Member (Yearly) | $99.99 | per year |


## Frequently asked questions

### Is 知書Nowbook free?

知書Nowbook is free to download, with in-app purchases available.

### Is 3ook.com Li3rary free?

3ook.com Li3rary is free to download, with in-app purchases available.

### Which has better reviews, 知書Nowbook or 3ook.com Li3rary?

3ook.com Li3rary is rated higher. 知書Nowbook averages 4.5 out of 5 from 2 ratings, while 3ook.com Li3rary averages 5.0 from 1 ratings.

### Do 知書Nowbook or 3ook.com Li3rary have ads?

Neither 知書Nowbook nor 3ook.com Li3rary shows ads.

### Which is updated more often, 知書Nowbook or 3ook.com Li3rary?

知書Nowbook ships an update every 2 months, and 3ook.com Li3rary weekly. Most recently, 知書Nowbook was updated on July 16, 2026 and 3ook.com Li3rary on September 23, 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.*