# RMU3 Config vs M2go Sensor

The clearest difference is update cadence: RMU3 Config at every 4 months against M2go Sensor's every 55 months. 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.

RMU3 Config ships an update every 4 months, M2go Sensor every 55 months. The most recent releases landed on August 30, 2026 and February 9, 2026 respectively.

## The numbers

| Metric | RMU3 Config | M2go Sensor |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (1 ratings)](https://appshunter.io/ios/app/rmu3-config/id1089017766/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 months** | Every 55 months |
| Monetization | Free | — |
| Size | 23 MB | 2 MB |
| Requires iOS | 15.6 | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Mobiltex Data](https://appshunter.io/developer/1050682800) | [taskit](https://appshunter.io/developer/830597040) |

## What reviewers say

### RMU3 Config

[App page](https://appshunter.io/ios/app/rmu3-config/id1089017766)

Configure and monitor cathodic protection rectifiers remotely. This app connects via Bluetooth to the RMU3 unit, allowing full control over settings, viewing diagnostic information, and managing measurement data. It requires specific hardware to function.

**Highlights:** Bluetooth configuration interface, Remote monitoring of cathodic protection rectifiers, Full RMU3 configuration, View readings and limits, Diagnostic status screen, Integrated manual and wiring diagrams

**Features:** Vision Pro support

**In-app purchases:** none


### M2go Sensor

[App page](https://appshunter.io/ios/app/m2go-sensor/id1166199314)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is RMU3 Config free?

RMU3 Config is free to download, with no in-app purchases.

### Is M2go Sensor free?

M2go Sensor is free to download, with no in-app purchases.

### Do RMU3 Config or M2go Sensor have ads?

Neither RMU3 Config nor M2go Sensor shows ads.

### Which is updated more often, RMU3 Config or M2go Sensor?

RMU3 Config ships an update every 4 months, and M2go Sensor every 55 months. Most recently, RMU3 Config was updated on August 30, 2026 and M2go Sensor on February 9, 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.*