# mos.viewer vs Pnv Pro

mos.viewer and Pnv Pro are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | mos.viewer | Pnv Pro |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | — |
| Size | 23 MB | 189 MB |
| Requires iOS | 13.0 | **12.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 9+ |
| Developer | [Fabrik 19 AG](https://appshunter.io/developer/501964744) | [PROVISION-ISR LIMITED](https://appshunter.io/developer/1460340592) |

## What reviewers say

### mos.viewer

[App page](https://appshunter.io/ios/app/mosviewer/id6470921065)

**In-app purchases:** none


### Pnv Pro

[App page](https://appshunter.io/ios/app/pnv-pro/id6752604406)

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

**In-app purchases:** none


## Frequently asked questions

### Is mos.viewer free?

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

### Is Pnv Pro free?

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

### Do mos.viewer or Pnv Pro have ads?

Neither mos.viewer nor Pnv Pro 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.*