# R+ m.Design (ROBOTIS) vs Musical Multiplication

The clearest difference is review sentiment: Musical Multiplication at 75% against R+ m.Design (ROBOTIS)'s 0%. Musical Multiplication also leads on rating (4.3 vs 2.5) and ratings volume (162 vs 4). R+ m.Design (ROBOTIS)'s advantage is in-app purchases (none vs 3) and iOS requirement (8.0 vs 13.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Musical Multiplication sells 3 in-app purchases, starting at $2.99 per month. R+ m.Design (ROBOTIS) asks for nothing beyond the download.

Musical Multiplication holds the better App Store score, 4.3 against 2.5. That said, the two scores are not equally well evidenced: Musical Multiplication has 162 ratings behind it against 4, so its average is the more settled of the two. Written reviews point the same way: 0% of R+ m.Design (ROBOTIS)'s written reviews are positive against 75% of Musical Multiplication's.

R+ m.Design (ROBOTIS) ships an update every 4 months, Musical Multiplication every 2 months. The most recent releases landed on October 26, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | R+ m.Design (ROBOTIS) | Musical Multiplication |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.5 (4 ratings)](https://appshunter.io/ios/app/r-plus-mdesign-robotis/id975779539/reviews) | **[4.3 (162 ratings)](https://appshunter.io/ios/app/musical-multiplication/id6472698577/reviews)** |
| Number of ratings | 4 | **162** |
| Positive reviews | 0.0% of reviews | **75.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 2 months** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 201 MB | 230 MB |
| Requires iOS | **8.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [ROBOTIS CO., LTD.](https://appshunter.io/developer/948481761) | [The Good and the Beautiful LLC](https://appshunter.io/developer/1619790550) |

## What reviewers say

### R+ m.Design (ROBOTIS)

[App page](https://appshunter.io/ios/app/r-plus-mdesign-robotis/id975779539)

This app provides interactive 3D animation assembly manuals for robot kits. Users can preview assembly steps and complete robot construction without traditional manuals. It includes a wide variety of example projects across different robot series.

**Highlights:** 3D animation assembly manuals, Step-by-step assembly previews, Interactive touch controls, Complete robot assembly guides, Extensive example project library

**Features:** macOS Compatibility

**In-app purchases:** none


### Musical Multiplication

[App page](https://appshunter.io/ios/app/musical-multiplication/id6472698577)

Master multiplication with catchy, original songs designed for elementary-aged children. This app uses the power of music to make memorization fun and effective, with interactive learning and progress tracking to keep kids motivated.

**Highlights:** 42 original multiplication songs, Music-based learning for faster memorization, Interactive learning with progress tracking, Mastery tracking for individual progress, Multiple student profiles, Offline accessibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $2.99 | per month |
| Annual subscription | $26.99 | per year |
| Unlimited one-time purchase | $35.99 | one-time |

**What reviewers like**

- 👍 Engaging and useful for kids
- 👍 Makes memorization fun and effective
- 👍 Helps kids learn multiplication facts
- 👍 Catchy songs that get stuck in kids' heads

**What reviewers complain about**

- 💰 App may be a bit expensive for its simplicity
- 📱 Not available on computers, only mobile devices
- 🤔 Methodology may be confusing or ineffective for some kids

**Reported bugs**

- Login issues and inability to save student profiles
- Restrictions on retrying questions

**Requested features**

- Ability to create custom playlists of specific multiplication facts
- More content and features beyond just the songs


## Frequently asked questions

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

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

### Is Musical Multiplication free?

Musical Multiplication is free to download, with in-app purchases available.

### Which has better reviews, R+ m.Design (ROBOTIS) or Musical Multiplication?

Musical Multiplication is rated higher. R+ m.Design (ROBOTIS) averages 2.5 out of 5 from 4 ratings, while Musical Multiplication averages 4.3 from 162 ratings.

### Do R+ m.Design (ROBOTIS) or Musical Multiplication have ads?

Neither R+ m.Design (ROBOTIS) nor Musical Multiplication shows ads.

### Which is updated more often, R+ m.Design (ROBOTIS) or Musical Multiplication?

R+ m.Design (ROBOTIS) ships an update every 4 months, and Musical Multiplication every 2 months. Most recently, R+ m.Design (ROBOTIS) was updated on October 26, 2026 and Musical Multiplication on October 27, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*