R+ ENGINEER vs Let’s MODI
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
R+ ENGINEER
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.
- Connects to ROBOTIS ENGINEER Kit
- Utilizes smart device sensors
- Supports video/image processing
- Enables audio input/output
- Intuitive programming interface
- Control and manipulate hardware
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R+ ENGINEER is a smart device application developed by ROBOTIS. This app connects to ROBOTIS ENGINEER Kit so that various sensors, video/image processing, audio input/output of smart device can be utilized. Simple and intuitive programming allows children to control and manipulate the ROBOTIS ENGINEER Kit.
Let’s MODI
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Let’s MODI is an educational coding app that allows you to control MODI Plus freely through AI and block coding. Anyone can easily learn coding and control their own creative inventions remotely. This app provides all the essential features for coding education. Learn AI coding, block coding, and module control all in one place, and naturally understand how coding works. [Main Features] • Automatically detects nearby MODI Plus network modules • Connects modules and devices via Bluetooth • Create various projects using block coding and AI block editor • Supports wireless controller functions (button, joystick, dial, camera, etc.) • Save and manage your projects through login and MODI Planet (web) integration Let’s MODI is LUXROBO’s official coding education platform. Learn coding effortlessly and turn your imagination into reality through AI technology. [Customer Support] If you experience any issues while using the app, please contact LUXROBO Customer Support. - FAQ: https://korea.luxrobo.com/untitled-10 - Email: support@luxrobo.com
Screenshots
Verdict
The clearest difference is update cadence: Let’s MODI at monthly against R+ ENGINEER's every 4 months. R+ ENGINEER's advantage is iOS requirement (12.0 vs 15.0). On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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, Let’s MODI monthly. The most recent releases landed on June 1, 2026 and September 30, 2026 respectively.
| Parameter | R+ ENGINEER | Let’s MODI |
|---|---|---|
| Price | Free | Free |
| Rating | 1.5 (2 ratings) — better | — |
| Number of ratings | 2 — better | — |
| Update frequency | Every 4 months | Monthly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 12.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 116 MB | 68 MB |
| Age rating | 4+ | 4+ |
| Developer | ROBOTIS CO., LTD. | LUXROBO Co., Ltd. |
In-app purchases
R+ ENGINEER
No in-app purchases
Let’s MODI
No in-app purchases
Questions
Is R+ ENGINEER free?
Is Let’s MODI free?
Do R+ ENGINEER or Let’s MODI have ads?
Which is updated more often, R+ ENGINEER or Let’s MODI?
Other comparisons
