# 音频变调 vs BPM Analyzer Pro

The clearest difference is price: 音频变调 at Free against BPM Analyzer Pro's $3.99. 音频变调 also leads on device support (3 vs 1) and iOS requirement (15.0 vs 17.6). BPM Analyzer Pro's advantage is ads (none vs shown). On update cadence and in-app purchases there is nothing between them.

音频变调 is free to download; BPM Analyzer Pro costs $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

音频变调 ships an update every 6 months, BPM Analyzer Pro every 3 months. The most recent releases landed on August 21, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | 音频变调 | BPM Analyzer Pro |
| --- | --- | --- |
| Price | **Free** | $3.99 |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 6 months | **Every 3 months** |
| Size | 9 MB | 3 MB |
| Requires iOS | **15.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [文利 罗](https://appshunter.io/developer/1743701483) | [Kurenz Music GbR](https://appshunter.io/developer/544695186) |

## What reviewers say

### 音频变调

[App page](https://appshunter.io/ios/app/id6504414023)

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

**In-app purchases:** none


### BPM Analyzer Pro

[App page](https://appshunter.io/ios/app/bpm-analyzer-pro/id6760731078)

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

**In-app purchases:** none


## Frequently asked questions

### Is 音频变调 free?

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

### Is BPM Analyzer Pro free?

BPM Analyzer Pro costs $3.99, with no in-app purchases.

### Do 音频变调 or BPM Analyzer Pro have ads?

音频变调 shows ads; BPM Analyzer Pro does not.

### Which is updated more often, 音频变调 or BPM Analyzer Pro?

音频变调 ships an update every 6 months, and BPM Analyzer Pro every 3 months. Most recently, 音频变调 was updated on August 21, 2026 and BPM Analyzer Pro on September 18, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*