# 3M™ PELTOR™ In vs GrusPlus

The clearest difference is iOS requirement: 3M™ PELTOR™ In at 13.0 against GrusPlus's 15.6. 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.

3M™ PELTOR™ In ships an update every 6 months, GrusPlus every 3 months. The most recent releases landed on October 4, 2026 and September 28, 2026 respectively.

## The numbers

| Metric | 3M™ PELTOR™ In | GrusPlus |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/3m-peltor-in-ear-comms/id6444845720/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 3 months** |
| Monetization | Free | — |
| Size | 132 MB | 20 MB |
| Requires iOS | **13.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [3M Company](https://appshunter.io/developer/396772465) | [Medverk AB](https://appshunter.io/developer/1872948701) |

## What reviewers say

### 3M™ PELTOR™ In

[App page](https://appshunter.io/ios/app/3m-peltor-in-ear-comms/id6444845720)

Configure your 3M PELTOR Professional In-Ear Communication Headset. This app enables on-demand fit-test functionality to ensure adequate protection in noisy environments and allows for over-the-air firmware updates.

**Highlights:** Configure PIC-100 headset, On-demand fit-test functionality, Personal protection level assessment, Over-the-air firmware updates, Ensure protection in hazardous noise

**In-app purchases:** none


### GrusPlus

[App page](https://appshunter.io/ios/app/grusplus/id6758439342)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 3M™ PELTOR™ In free?

3M™ PELTOR™ In is free to download, with no in-app purchases.

### Is GrusPlus free?

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

### Do 3M™ PELTOR™ In or GrusPlus have ads?

Neither 3M™ PELTOR™ In nor GrusPlus shows ads.

### Which is updated more often, 3M™ PELTOR™ In or GrusPlus?

3M™ PELTOR™ In ships an update every 6 months, and GrusPlus every 3 months. Most recently, 3M™ PELTOR™ In was updated on October 4, 2026 and GrusPlus on September 28, 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.*