# 机器猫 vs 热门文库

The clearest difference is in-app purchases: 机器猫 at none against 热门文库's 3. 机器猫 also leads on iOS requirement (13.0 vs 15.6). 热门文库's advantage is update cadence (every 4 days vs every 2 months). On price, ads and device support there is nothing between them.

Both are free to download. 热门文库 sells 3 in-app purchases, starting at $0.99 per 7 days. 机器猫 asks for nothing beyond the download.

机器猫 ships an update every 2 months, 热门文库 every 4 days. Both last shipped on October 14, 2026.

## The numbers

| Metric | 机器猫 | 热门文库 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 4 days** |
| Size | 177 MB | 8 MB |
| Requires iOS | **13.0** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 17+ | 12+ |
| Developer | [Chengdu Hua Yi Information Technology Co., Ltd.](https://appshunter.io/developer/1448343469) | [亚楠 武](https://appshunter.io/developer/1567713727) |

## What reviewers say

### 机器猫

[App page](https://appshunter.io/ios/app/ai/id6449481895)

**Features:** macOS Compatibility

**In-app purchases:** none


### 热门文库

[App page](https://appshunter.io/ios/app/id6749074141)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 周会员 | $0.99 | per 7 days |
| 月会员 | $2.99 | per month |
| 年会员 | $6.99 | per year |


## Frequently asked questions

### Is 机器猫 free?

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

### Is 热门文库 free?

热门文库 is free to download, with in-app purchases available.

### Do 机器猫 or 热门文库 have ads?

Neither 机器猫 nor 热门文库 shows ads.

### Which is updated more often, 机器猫 or 热门文库?

机器猫 ships an update every 2 months, and 热门文库 every 4 days. Most recently, 机器猫 was updated on October 14, 2026 and 热门文库 on October 14, 2026.

---

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