# 机器猫 vs 零维宇宙

The clearest difference is in-app purchases: 机器猫 at none against 零维宇宙's 1. 机器猫 also leads on device support. On price and iOS requirement there is nothing between them.

Both are free to download. 零维宇宙 sells 1 in-app purchase, starting at $3.99 per month. 机器猫 asks for nothing beyond the download.

## The numbers

| Metric | 机器猫 | 零维宇宙 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | — |
| Update frequency | Every 2 months | — |
| Size | 177 MB | 73 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | **iPhone, iPad, iPod** | — |
| Age rating | 17+ | 4+ |
| Developer | [Chengdu Hua Yi Information Technology Co., Ltd.](https://appshunter.io/developer/1448343469) | [ShangHai ArgonStar Tech Co., Ltd.](https://appshunter.io/developer/1700799358) |

## What reviewers say

### 机器猫

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

**Features:** macOS Compatibility

**In-app purchases:** none


### 零维宇宙

[App page](https://appshunter.io/ios/app/ai/id6457204291)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Plus | $3.99 | per month |


## Frequently asked questions

### Is 机器猫 free?

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

### Is 零维宇宙 free?

零维宇宙 is free to download, with in-app purchases available.

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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.*