# 悦库网盘 vs Book Context

The clearest difference is in-app purchases: 悦库网盘 at none against Book Context's 2. 悦库网盘 also leads on device support (3 vs 1) and iOS requirement (15.0 vs 18.0). Book Context's advantage is update cadence (every 3 weeks vs every 6 months). On price and ads there is nothing between them.

Both are free to download. Book Context sells 2 in-app purchases, starting at $0.99 per month. 悦库网盘 asks for nothing beyond the download.

悦库网盘 ships an update every 6 months, Book Context every 3 weeks. The most recent releases landed on October 26, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | 悦库网盘 | Book Context |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 3 weeks** |
| Size | 30 MB | 5 MB |
| Requires iOS | **15.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [丰良 何](https://appshunter.io/developer/1605543144) | [双仕 韩](https://appshunter.io/developer/1885479901) |

## What reviewers say

### 悦库网盘

[App page](https://appshunter.io/ios/app/id1494099412)

**Features:** macOS Compatibility

**In-app purchases:** none


### Book Context

[App page](https://appshunter.io/ios/app/book-context-smart-library/id6761686112)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Monthly | $0.99 | per month |
| Pro Yearly | $7.99 | per year |


## Frequently asked questions

### Is 悦库网盘 free?

悦库网盘 is free to download, with no in-app purchases.

### Is Book Context free?

Book Context is free to download, with in-app purchases available.

### Do 悦库网盘 or Book Context have ads?

Neither 悦库网盘 nor Book Context shows ads.

### Which is updated more often, 悦库网盘 or Book Context?

悦库网盘 ships an update every 6 months, and Book Context every 3 weeks. Most recently, 悦库网盘 was updated on October 26, 2026 and Book Context on October 24, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*