# 零维宇宙 vs 元声

The clearest difference is in-app purchases: 元声 at none against 零维宇宙's 1. 元声 also leads on device support. 零维宇宙's advantage is iOS requirement (13.0 vs 15). On price 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. 元声 asks for nothing beyond the download.

## The numbers

| Metric | 零维宇宙 | 元声 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | — | No |
| Size | 73 MB | 48 MB |
| Requires iOS | **13.0** | 15 |
| Devices | — | **iPhone, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [ShangHai ArgonStar Tech Co., Ltd.](https://appshunter.io/developer/1700799358) | [晓东 朱](https://appshunter.io/developer/1652273367) |

## What reviewers say

### 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 |


### 元声

[App page](https://appshunter.io/ios/app/ai/id6755142917)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is 零维宇宙 free?

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

### Is 元声 free?

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

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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.*