# 中国联通 vs 音频变调

The clearest difference is rating: 音频变调 at 5.0 against 中国联通's 2.5. 中国联通's advantage is ads (none vs shown) and ratings volume (1.3K vs 1). 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.

音频变调 holds the better App Store score, 5.0 against 2.5. That said, the two scores are not equally well evidenced: 中国联通 has 1.3K ratings behind it against 1, so its average is the more settled of the two.

中国联通 ships an update every 3 weeks, 音频变调 every 3 months. The most recent releases landed on October 14, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | 中国联通 | 音频变调 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.5 (1.3K ratings)](https://appshunter.io/ios/app/id416457422/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/id6463199263/reviews)** |
| Number of ratings | **1.3K** | 1 |
| Positive reviews | 37.1% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 3 weeks** | Every 3 months |
| Monetization | — | Ad-supported |
| Size | 333 MB | 92 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [China United Network Communications Corporation Limited](https://appshunter.io/developer/674392285) | [鹏 张](https://appshunter.io/developer/1704123284) |

## What reviewers say

### 中国联通

[App page](https://appshunter.io/ios/app/id416457422)

**Features:** Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 👍 Convenient app
- 🚀 Fast and responsive
- 💡 Comprehensive functionality

**What reviewers complain about**

- 🐛 Frequent crashes
- 🔋 High battery consumption
- 📢 Too many ads and promotions
- 🤯 Confusing and cluttered UI
- 🔒 Privacy concerns

**Reported bugs**

- Login issues and authentication problems
- Compatibility problems with newer OS versions
- Inconsistent performance across devices

**Requested features**

- Add English language support
- Improve search and navigation
- Provide more detailed account information
- Implement dark mode option


### 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 中国联通 free?

中国联通 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.

### Which has better reviews, 中国联通 or 音频变调?

音频变调 is rated higher. 中国联通 averages 2.5 out of 5 from 1.3K ratings, while 音频变调 averages 5.0 from 1 ratings.

### Do 中国联通 or 音频变调 have ads?

音频变调 shows ads; 中国联通 does not.

### Which is updated more often, 中国联通 or 音频变调?

中国联通 ships an update every 3 weeks, and 音频变调 every 3 months. Most recently, 中国联通 was updated on October 14, 2026 and 音频变调 on September 30, 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.*