# AudioTestLab vs Vgent PdM

The clearest difference is price: Vgent PdM at Free against AudioTestLab's $0.99. Vgent PdM also leads on update cadence (every 5 days vs every 3 weeks). AudioTestLab's advantage is in-app purchases (none vs 2). On ads, device support and iOS requirement there is nothing between them.

Vgent PdM is free to download; AudioTestLab costs $0.99 up front. Vgent PdM sells 2 in-app purchases, starting at $99.00 per month. AudioTestLab asks for nothing beyond the download.

AudioTestLab ships an update every 3 weeks, Vgent PdM every 5 days. Both last shipped on October 31, 2026.

## The numbers

| Metric | AudioTestLab | Vgent PdM |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 5 days** |
| Size | 2 MB | 21 MB |
| Requires iOS | **17.0** | 18.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [龙 王](https://appshunter.io/developer/1889120838) | [Shandong Yichuang Zhiwei Intelligent Technology Co., Ltd.](https://appshunter.io/developer/1872584423) |

## What reviewers say

### AudioTestLab

[App page](https://appshunter.io/ios/app/audiotestlab/id6769829179)

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

**In-app purchases:** none


### Vgent PdM

[App page](https://appshunter.io/ios/app/vgent-pdm/id6788021336)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Vgent Vibration Monthly | $99.00 | per month |
| Vgent Vibration Annual | $999.00 | per year |


## Frequently asked questions

### Is AudioTestLab free?

AudioTestLab costs $0.99, with no in-app purchases.

### Is Vgent PdM free?

Vgent PdM is free to download, with in-app purchases available.

### Do AudioTestLab or Vgent PdM have ads?

Neither AudioTestLab nor Vgent PdM shows ads.

### Which is updated more often, AudioTestLab or Vgent PdM?

AudioTestLab ships an update every 3 weeks, and Vgent PdM every 5 days. Most recently, AudioTestLab was updated on October 31, 2026 and Vgent PdM 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.*