# R+ m.Design (ROBOTIS) vs Letter Tiles for Learning

The clearest difference is price: R+ m.Design (ROBOTIS) at Free against Letter Tiles for Learning's $19.99. R+ m.Design (ROBOTIS) also leads on iOS requirement (8.0 vs 13.0). Letter Tiles for Learning's advantage is rating (3.2 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; Letter Tiles for Learning costs $19.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Letter Tiles for Learning holds the better App Store score, 3.2 against 2.5. That said, the two scores are not equally well evidenced: Letter Tiles for Learning has 93 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 38% of Letter Tiles for Learning's.

R+ m.Design (ROBOTIS) ships an update every 4 months, Letter Tiles for Learning every 6 weeks. The most recent releases landed on October 26, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | R+ m.Design (ROBOTIS) | Letter Tiles for Learning |
| --- | --- | --- |
| Price | **Free** | $19.99 |
| Rating | [2.5 (4 ratings)](https://appshunter.io/ios/app/r-plus-mdesign-robotis/id975779539/reviews) | **[3.2 (93 ratings)](https://appshunter.io/ios/app/letter-tiles-for-learning/id1314838376/reviews)** |
| Number of ratings | 4 | **93** |
| Positive reviews | 0.0% of reviews | **37.7% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 6 weeks** |
| Monetization | Free | Free |
| Best chart rank | — | **#63** |
| Size | 201 MB | 43 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) | [All About Learning Press, Inc.](https://appshunter.io/developer/786428125) |

## 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


### Letter Tiles for Learning

[App page](https://appshunter.io/ios/app/letter-tiles-for-learning/id1314838376)

**Currently charting:** #63 Top Paid · Education (US App Store)

Build words, divide them into syllables, and explore phonogram sounds. This educational tool supports specific reading and spelling programs, offering relevant letter tiles for each lesson. Ideal for interactive learning on tablets.

**Highlights:** Build words, Divide words into syllables, Hear phonogram sounds, Supports All About Reading, Supports All About Spelling, Lesson-specific letter tiles

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

**In-app purchases:** none

**What reviewers like**

- 👍 Easier than physical tiles
- 👍 Convenient for travel
- 👍 Good for multiple children
- 👍 Works well with AAS/AAR
- 👍 Intuitive design

**What reviewers complain about**

- 🐛 Frustrating to use
- 🐛 Overpriced
- 🐛 Inconsistent tile response
- 🐛 New update issues
- 🐛 Not phone compatible

**Reported bugs**

- Drop-down menu not staying down
- Blank white screen
- App crashes constantly
- Tiles go missing when splitting syllables
- Spaces appear randomly in words

**Requested features**

- Undo feature
- Tile scramble mode
- Apple Pencil/stylus support
- Card quiz feature
- Option to adjust tile size


## Frequently asked questions

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

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

### Is Letter Tiles for Learning free?

Letter Tiles for Learning costs $19.99, with no in-app purchases.

### Which has better reviews, R+ m.Design (ROBOTIS) or Letter Tiles for Learning?

Letter Tiles for Learning is rated higher. R+ m.Design (ROBOTIS) averages 2.5 out of 5 from 4 ratings, while Letter Tiles for Learning averages 3.2 from 93 ratings.

### Do R+ m.Design (ROBOTIS) or Letter Tiles for Learning have ads?

Neither R+ m.Design (ROBOTIS) nor Letter Tiles for Learning shows ads.

### Which is updated more often, R+ m.Design (ROBOTIS) or Letter Tiles for Learning?

R+ m.Design (ROBOTIS) ships an update every 4 months, and Letter Tiles for Learning every 6 weeks. Most recently, R+ m.Design (ROBOTIS) was updated on October 26, 2026 and Letter Tiles for Learning on October 29, 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.*