# Math vs R+ m.Design (ROBOTIS)

The clearest difference is price: R+ m.Design (ROBOTIS) at Free against Math's $9.99. R+ m.Design (ROBOTIS) also leads on update cadence (every 4 months vs every 26 months) and iOS requirement (8.0 vs 11.0). Math's advantage is rating (3.1 vs 2.5) and review sentiment (38% vs 0%). On ads, in-app purchases, monetization model and device support there is nothing between them.

R+ m.Design (ROBOTIS) is free to download; Math costs $9.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Math holds the better App Store score, 3.1 against 2.5. That said, the two scores are not equally well evidenced: Math has 28 ratings behind it against 4, so its average is the more settled of the two. Written reviews point the same way: 38% of Math's written reviews are positive against 0% of R+ m.Design (ROBOTIS)'s.

Math ships an update every 26 months, R+ m.Design (ROBOTIS) every 4 months. The most recent releases landed on October 15, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | Math | R+ m.Design (ROBOTIS) |
| --- | --- | --- |
| Price | $9.99 | **Free** |
| Rating | **[3.1 (28 ratings)](https://appshunter.io/ios/app/math-u-see-manipulatives/id874332429/reviews)** | [2.5 (4 ratings)](https://appshunter.io/ios/app/r-plus-mdesign-robotis/id975779539/reviews) |
| Number of ratings | **28** | 4 |
| Positive reviews | **38.5% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 26 months | **Every 4 months** |
| Monetization | Free | Free |
| Size | 21 MB | 201 MB |
| Requires iOS | 11.0 | **8.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Demme Learning](https://appshunter.io/developer/874332432) | [ROBOTIS CO., LTD.](https://appshunter.io/developer/948481761) |

## What reviewers say

### Math

[App page](https://appshunter.io/ios/app/math-u-see-manipulatives/id874332429)

This app provides a virtual collection of math manipulatives, mirroring the physical tools used with a specific math curriculum. It helps illustrate a wide range of mathematical concepts from basic numbers to algebraic expressions.

**Highlights:** Virtual math manipulatives, Illustrates numbers and operations, Teaches fractions and decimals, Covers integers and algebraic expressions, Supports Math-U-See curriculum

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

**In-app purchases:** none


### 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


## Frequently asked questions

### Is Math free?

Math costs $9.99, with no in-app purchases.

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

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

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

Math is rated higher. Math averages 3.1 out of 5 from 28 ratings, while R+ m.Design (ROBOTIS) averages 2.5 from 4 ratings.

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

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

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

Math ships an update every 26 months, and R+ m.Design (ROBOTIS) every 4 months. Most recently, Math was updated on October 15, 2026 and R+ m.Design (ROBOTIS) on October 16, 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.*