# MRU4u vs Mutti Store Check

The clearest difference is update cadence: MRU4u at every 5 weeks against Mutti Store Check's every 3 months. Mutti Store Check's advantage is iOS requirement (13.0 vs 15.0). On price, ads, in-app purchases and device support there is nothing between them.

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

MRU4u ships an update every 5 weeks, Mutti Store Check every 3 months. The most recent releases landed on October 4, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | MRU4u | Mutti Store Check |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 16.7% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 3 months |
| Monetization | Free | — |
| Size | 145 MB | 51 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [MRU Messgeräte für Rauchgase und Umweltschutz GmbH](https://appshunter.io/developer/1110341400) | [ARSERA S.r.l.](https://appshunter.io/developer/1706795345) |

## What reviewers say

### MRU4u

[App page](https://appshunter.io/ios/app/mru4u/id1110341401)

Control MRU Fluegas Monitoring Units remotely via Bluetooth. Transfer and store measured data on your smartphone or tablet, with options to export as CSV or email screenshots. View live data as text or charts, with customizable value displays.

**Highlights:** Bluetooth remote control, Live data display (text/chart), Customizable data views, Data storage on device, CSV data export, Email data screenshots

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

**In-app purchases:** none


### Mutti Store Check

[App page](https://appshunter.io/ios/app/mutti-store-check/id6503680749)

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

**In-app purchases:** none


## Frequently asked questions

### Is MRU4u free?

MRU4u is free to download, with no in-app purchases.

### Is Mutti Store Check free?

Mutti Store Check is free to download, with no in-app purchases.

### Do MRU4u or Mutti Store Check have ads?

Neither MRU4u nor Mutti Store Check shows ads.

### Which is updated more often, MRU4u or Mutti Store Check?

MRU4u ships an update every 5 weeks, and Mutti Store Check every 3 months. Most recently, MRU4u was updated on October 4, 2026 and Mutti Store Check on October 17, 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.*