# 生日倒计时 vs 元声

The clearest difference is iOS requirement: 元声 at 15 against 生日倒计时's 17.6. On price, ads, in-app purchases and device support there is nothing between them.

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

## The numbers

| Metric | 生日倒计时 | 元声 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 weeks | — |
| Size | 17 MB | 48 MB |
| Requires iOS | 17.6 | **15** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 9+ | 17+ |
| Developer | [Shaanxi Guangpuman Technology Co., Ltd](https://appshunter.io/developer/1592787406) | [晓东 朱](https://appshunter.io/developer/1652273367) |

## What reviewers say

### 生日倒计时

[App page](https://appshunter.io/ios/app/id1592787404)

**Features:** macOS Compatibility, iMessage stickers, Vision Pro support, iPhone Duo support

**In-app purchases:** none


### 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 生日倒计时 free?

生日倒计时 is free to download, with no in-app purchases.

### Is 元声 free?

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

### Do 生日倒计时 or 元声 have ads?

Neither 生日倒计时 nor 元声 shows ads.

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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.*