# 国音 vs 正前

The clearest difference is update cadence: 正前 at every 4 days against 国音's every 10 days. 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.

国音 ships an update every 10 days, 正前 every 4 days. The most recent releases landed on November 4, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | 国音 | 正前 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Every 10 days | **Every 4 days** |
| Size | 139 MB | 70 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 17+ |
| Developer | [桂林亿龙卫国科技有限公司](https://appshunter.io/developer/1720871665) | [Shenzhen ShengMaGe Technology Co. Ltd.](https://appshunter.io/developer/1133880805) |

## What reviewers say

### 国音

[App page](https://appshunter.io/ios/app/id6474163057)

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

**In-app purchases:** none


### 正前

[App page](https://appshunter.io/ios/app/id6760686681)

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

**In-app purchases:** none


## Frequently asked questions

### Is 国音 free?

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

### Is 正前 free?

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

### Do 国音 or 正前 have ads?

Both 国音 and 正前 show ads.

### Which is updated more often, 国音 or 正前?

国音 ships an update every 10 days, and 正前 every 4 days. Most recently, 国音 was updated on November 4, 2026 and 正前 on October 31, 2026.

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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.*