# PIRS vs VTG Mounting App

The clearest difference is iOS requirement: PIRS at 13.0 against VTG Mounting App's 15.0. On price, update cadence, ads and in-app purchases there is nothing between them.

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

PIRS ships an update every 3 months, VTG Mounting App every 4 months. The most recent releases landed on October 26, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | PIRS | VTG Mounting App |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 4 months |
| Size | 55 MB | 73 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [SOBIS Software GmbH](https://appshunter.io/developer/1294577493) | [Nexxiot](https://appshunter.io/developer/1596717395) |

## What reviewers say

### PIRS

[App page](https://appshunter.io/ios/app/pirssite/id1230060880)

**Features:** macOS Compatibility

**In-app purchases:** none


### VTG Mounting App

[App page](https://appshunter.io/ios/app/vtg-mounting-app/id6484163733)

**In-app purchases:** none


## Frequently asked questions

### Is PIRS free?

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

### Is VTG Mounting App free?

VTG Mounting App is free to download, with no in-app purchases.

### Do PIRS or VTG Mounting App have ads?

Neither PIRS nor VTG Mounting App shows ads.

### Which is updated more often, PIRS or VTG Mounting App?

PIRS ships an update every 3 months, and VTG Mounting App every 4 months. Most recently, PIRS was updated on October 26, 2026 and VTG Mounting App on October 25, 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.*