# 录音变调 vs 视频转音频格式工坊

The clearest difference is in-app purchases: 录音变调 at none against 视频转音频格式工坊's 2. 录音变调 also leads on iOS requirement (12.0 vs 15.0). On price, ads and device support there is nothing between them.

Both are free to download. 视频转音频格式工坊 sells 2 one-off in-app purchases. 录音变调 asks for nothing beyond the download.

## The numbers

| Metric | 录音变调 | 视频转音频格式工坊 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Every 3 weeks |
| Size | 28 MB | 63 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Beijing Shitong Tianxia Information Technology Co., Ltd.](https://appshunter.io/developer/1547224643) | [加亮 闫](https://appshunter.io/developer/1591531847) |

## What reviewers say

### 录音变调

[App page](https://appshunter.io/ios/app/id1563664864)

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

**In-app purchases:** none


### 视频转音频格式工坊

[App page](https://appshunter.io/ios/app/id6449831106)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 年度VIP | $2.99 | one-time |
| 终身VIP | $4.99 | one-time |


## Frequently asked questions

### Is 录音变调 free?

录音变调 is free to download, with no in-app purchases.

### Is 视频转音频格式工坊 free?

视频转音频格式工坊 is free to download, with in-app purchases available.

### Do 录音变调 or 视频转音频格式工坊 have ads?

Neither 录音变调 nor 视频转音频格式工坊 shows ads.

---

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