# R+ ENGINEER vs M3T Organizer

The clearest difference is update cadence: M3T Organizer at every 4 days against R+ ENGINEER's every 4 months. R+ ENGINEER's advantage is iOS requirement (12.0 vs 15.5). 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.

R+ ENGINEER ships an update every 4 months, M3T Organizer every 4 days. The most recent releases landed on October 16, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | R+ ENGINEER | M3T Organizer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.5 (2 ratings)](https://appshunter.io/ios/app/r-plus-engineer/id1475713920/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 4 days** |
| Monetization | Free | — |
| Size | 116 MB | 26 MB |
| Requires iOS | **12.0** | 15.5 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [ROBOTIS CO., LTD.](https://appshunter.io/developer/948481761) | [PEDRO DIAZ CRUZ](https://appshunter.io/developer/1887122098) |

## What reviewers say

### R+ ENGINEER

[App page](https://appshunter.io/ios/app/r-plus-engineer/id1475713920)

This application connects to a smart device kit, enabling the use of sensors, video, and audio processing. It offers simple programming to control and manipulate the connected hardware, making it an interactive educational tool.

**Highlights:** Connects to ROBOTIS ENGINEER Kit, Utilizes smart device sensors, Supports video/image processing, Enables audio input/output, Intuitive programming interface, Control and manipulate hardware

**Features:** macOS Compatibility

**In-app purchases:** none


### M3T Organizer

[App page](https://appshunter.io/ios/app/m3t-organizer/id6760980218)

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

**In-app purchases:** none


## Frequently asked questions

### Is R+ ENGINEER free?

R+ ENGINEER is free to download, with no in-app purchases.

### Is M3T Organizer free?

M3T Organizer is free to download, with no in-app purchases.

### Do R+ ENGINEER or M3T Organizer have ads?

Neither R+ ENGINEER nor M3T Organizer shows ads.

### Which is updated more often, R+ ENGINEER or M3T Organizer?

R+ ENGINEER ships an update every 4 months, and M3T Organizer every 4 days. Most recently, R+ ENGINEER was updated on October 16, 2026 and M3T Organizer on October 24, 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.*