# 易卦精解 vs 3ook.com Li3rary

The clearest difference is rating: 3ook.com Li3rary at 5.0 against 易卦精解's 1.0. 3ook.com Li3rary also leads on update cadence (weekly vs every 56 months). 易卦精解's advantage is in-app purchases (none vs 2) and iOS requirement (7.0 vs 15.1). On price, ratings volume, ads and device support there is nothing between them.

Both are free to download. 3ook.com Li3rary sells 2 in-app purchases, starting at $9.99 per month. 易卦精解 asks for nothing beyond the download.

3ook.com Li3rary holds the better App Store score, 5.0 against 1.0. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

易卦精解 ships an update every 56 months, 3ook.com Li3rary weekly. The most recent releases landed on October 19, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | 易卦精解 | 3ook.com Li3rary |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.0 (1 ratings)](https://appshunter.io/ios/app/id432734673/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/3ookcom-li3rary/id6757783481/reviews)** |
| Number of ratings | 1 | 1 |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 56 months | **Weekly** |
| Monetization | — | Free with in-app purchases |
| Size | 7 MB | 49 MB |
| Requires iOS | **7.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 9+ | 4+ |
| Developer | [Martin NGAI](https://appshunter.io/developer/319448337) | [Liker Land, Inc.](https://appshunter.io/developer/1885530949) |

## What reviewers say

### 易卦精解

[App page](https://appshunter.io/ios/app/id432734673)

**In-app purchases:** none


### 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 易卦精解 free?

易卦精解 is free to download, with no in-app purchases.

### Is 3ook.com Li3rary free?

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

### Which has better reviews, 易卦精解 or 3ook.com Li3rary?

3ook.com Li3rary is rated higher. 易卦精解 averages 1.0 out of 5 from 1 ratings, while 3ook.com Li3rary averages 5.0 from 1 ratings.

### Do 易卦精解 or 3ook.com Li3rary have ads?

Neither 易卦精解 nor 3ook.com Li3rary shows ads.

### Which is updated more often, 易卦精解 or 3ook.com Li3rary?

易卦精解 ships an update every 56 months, and 3ook.com Li3rary weekly. Most recently, 易卦精解 was updated on October 19, 2026 and 3ook.com Li3rary on October 10, 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.*