# 嘉校园 vs 音频变调

The clearest difference is ads: 嘉校园 at none against 音频变调's shown. 嘉校园 also leads on update cadence (every 3 weeks vs every 3 months) and iOS requirement (9.0 vs 15.0). On price, 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.

嘉校园 ships an update every 3 weeks, 音频变调 every 3 months. The most recent releases landed on October 7, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | 嘉校园 | 音频变调 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/id6463199263/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | 10.0% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 3 weeks** | Every 3 months |
| Monetization | — | Ad-supported |
| Size | 56 MB | 92 MB |
| Requires iOS | **9.0** | 15.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [湖南嘉杰信息技术有限公司](https://appshunter.io/developer/1052751582) | [鹏 张](https://appshunter.io/developer/1704123284) |

## What reviewers say

### 嘉校园

[App page](https://appshunter.io/ios/app/id1464654950)

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

**In-app purchases:** none


### 音频变调

[App page](https://appshunter.io/ios/app/id6463199263)

This tool allows users to quickly adjust the pitch of audio and video files on their mobile devices. It's ideal for singers, musicians, and content creators looking to modify vocal tracks, instrumentals, or sound effects for various creative projects.

**Highlights:** Audio pitch shifting, Video pitch shifting, Fine-tune pitch by semitones and cents, Real-time preview, Import from various sources, Export audio and video, Simple user interface

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

**In-app purchases:** none


## Frequently asked questions

### Is 嘉校园 free?

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

### Is 音频变调 free?

音频变调 is free to download, with no in-app purchases.

### Do 嘉校园 or 音频变调 have ads?

音频变调 shows ads; 嘉校园 does not.

### Which is updated more often, 嘉校园 or 音频变调?

嘉校园 ships an update every 3 weeks, and 音频变调 every 3 months. Most recently, 嘉校园 was updated on October 7, 2026 and 音频变调 on October 15, 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.*