# 中图云书房 vs 墨库

中图云书房 and 墨库 are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Both ship on a similar rhythm, roughly monthly. The most recent releases landed on June 4, 2026 and December 23, 2025 respectively.

## The numbers

| Metric | 中图云书房 | 墨库 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/id1533799386/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | Monthly |
| Size | 39 MB | 167 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [CNPIEC Digital Technology-Beijing Co.,Ltd.](https://appshunter.io/developer/1422589031) | [中华商务贸易公司](https://appshunter.io/developer/1512128906) |

## What reviewers say

### 中图云书房

[App page](https://appshunter.io/ios/app/id1533799386)

**Features:** macOS Compatibility

**In-app purchases:** none


### 墨库

[App page](https://appshunter.io/ios/app/id1550737280)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 中图云书房 free?

中图云书房 is free to download, with no in-app purchases.

### Is 墨库 free?

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

### Do 中图云书房 or 墨库 have ads?

Neither 中图云书房 nor 墨库 shows ads.

### Which is updated more often, 中图云书房 or 墨库?

中图云书房 ships an update monthly, and 墨库 monthly. Most recently, 中图云书房 was updated on June 4, 2026 and 墨库 on December 23, 2025.

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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.*