# PhyModel vs VoiceViewer

The clearest difference is price: VoiceViewer at Free against PhyModel's $1.99. VoiceViewer also leads on iOS requirement (15.0 vs 27.0). On ads, in-app purchases and device support there is nothing between them.

VoiceViewer is free to download; PhyModel costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | PhyModel | VoiceViewer |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Fortnightly | — |
| Size | 106 MB | 14 MB |
| Requires iOS | 27.0 | **15.0** |
| Devices | **iPhone, iPad, Vision Pro** | iPhone, iPod |
| Age rating | 9+ | 4+ |
| Developer | [文庚 苏](https://appshunter.io/developer/1643312402) | [晓亮 敬](https://appshunter.io/developer/1753623105) |

## What reviewers say

### PhyModel

[App page](https://appshunter.io/ios/app/phymodel/id1643325396)

**In-app purchases:** none


### VoiceViewer

[App page](https://appshunter.io/ios/app/voiceviewer/id6504754605)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is PhyModel free?

PhyModel costs $1.99, with no in-app purchases.

### Is VoiceViewer free?

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

### Do PhyModel or VoiceViewer have ads?

Neither PhyModel nor VoiceViewer shows ads.

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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.*