# R+ m.Motion2 (ROBOTIS) vs 비수다

The clearest difference is update cadence: 비수다 at every 2 days against R+ m.Motion2 (ROBOTIS)'s every 2 months. R+ m.Motion2 (ROBOTIS)'s advantage is monetization model (free vs free with in-app purchases) and iOS requirement (8.0 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.

R+ m.Motion2 (ROBOTIS) ships an update every 2 months, 비수다 every 2 days. The most recent releases landed on October 16, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | R+ m.Motion2 (ROBOTIS) | 비수다 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.7 (3 ratings)](https://appshunter.io/ios/app/r-plus-mmotion2-robotis/id955358210/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 2 days** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 128 MB | 53 MB |
| Requires iOS | **8.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [ROBOTIS CO., LTD.](https://appshunter.io/developer/948481761) | [Seungwoo Lee](https://appshunter.io/developer/1858119568) |

## What reviewers say

### R+ m.Motion2 (ROBOTIS)

[App page](https://appshunter.io/ios/app/r-plus-mmotion2-robotis/id955358210)

Create, edit, and download motion files for educational robots like SMART and PREMIUM. Use a virtual 3D model to design movements before transferring them to your robot controller via Bluetooth.

**Highlights:** Generate and edit motion files, Download motion files to robot controller, Edit motion with virtual 3D robot, Bluetooth connectivity, Supports various educational robot models

**Features:** macOS Compatibility

**In-app purchases:** none


### 비수다

[App page](https://appshunter.io/ios/app/3/id6795456254)

This app provides extensive practice for Korean college entrance exam reading comprehension passages. It offers a structured three-read approach, daily curated texts, and spaced repetition for reviewing incorrect answers. AI-powered explanations help users understand complex reasoning.

**Highlights:** Extensive practice with 185 passages and 2,041 questions, Structured three-read training method, Daily curated passages based on target exam date, Spaced repetition for reviewing incorrect answers, AI-powered explanations for difficult questions, Learning reminders to maintain study flow

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

**In-app purchases:** none


## Frequently asked questions

### Is R+ m.Motion2 (ROBOTIS) free?

R+ m.Motion2 (ROBOTIS) is free to download, with no in-app purchases.

### Is 비수다 free?

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

### Do R+ m.Motion2 (ROBOTIS) or 비수다 have ads?

Neither R+ m.Motion2 (ROBOTIS) nor 비수다 shows ads.

### Which is updated more often, R+ m.Motion2 (ROBOTIS) or 비수다?

R+ m.Motion2 (ROBOTIS) ships an update every 2 months, and 비수다 every 2 days. Most recently, R+ m.Motion2 (ROBOTIS) was updated on October 16, 2026 and 비수다 on October 14, 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.*