# Blue vs Coding Express LEGO® Education

The clearest difference is rating: Coding Express LEGO® Education at 4.2 against Blue's 3.7. Coding Express LEGO® Education also leads on ratings volume (250 vs 7). Blue's advantage is update cadence (every 3 months vs every 8 months) and device support (3 vs 1). On price, review sentiment, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Coding Express LEGO® Education holds the better App Store score, 4.2 against 3.7. That said, the two scores are not equally well evidenced: Coding Express LEGO® Education has 250 ratings behind it against 7, so its average is the more settled of the two. Written reviews point the same way: 43% of Blue's written reviews are positive against 50% of Coding Express LEGO® Education's.

Blue ships an update every 3 months, Coding Express LEGO® Education every 8 months. The most recent releases landed on September 24, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Blue | Coding Express LEGO® Education |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.7 (7 ratings)](https://appshunter.io/ios/app/blue-bot/id957753068/reviews) | **[4.2 (250 ratings)](https://appshunter.io/ios/app/coding-express-lego-education/id1419604286/reviews)** |
| Number of ratings | 7 | **250** |
| Positive reviews | 42.9% of reviews | **50.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 8 months |
| Monetization | Free | Free |
| Size | 130 MB | 855 MB |
| Requires iOS | **12.4** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPad |
| Age rating | 4+ | 4+ |
| Developer | [TTS Group Limited](https://appshunter.io/developer/500131642) | [LEGO Education](https://appshunter.io/developer/708170734) |

## What reviewers say

### Blue

[App page](https://appshunter.io/ios/app/blue-bot/id957753068)

This app allows children to create and execute algorithms for a robot. It offers step-by-step and drag-and-drop programming, with features like repeats and 45-degree turns. Challenge modes introduce obstacles and limited controls for added difficulty.

**Highlights:** Step-by-step programming, Drag and drop interface, Repeat commands, 45-degree turns, Obstacle challenges, Customizable voice commands

**Features:** macOS Compatibility

**In-app purchases:** none


### Coding Express LEGO® Education

[App page](https://appshunter.io/ios/app/coding-express-lego-education/id1419604286)

This app introduces preschoolers to early coding concepts and 21st-century skills using a LEGO DUPLO train set. It offers four engaging activity areas: Journeys, Characters, Math, and Music, fostering problem-solving, collaboration, and creativity.

**Highlights:** Early coding concepts for preschoolers, LEGO DUPLO train set integration, Four activity areas: Journeys, Characters, Math, Music, Develops sequencing, problem-solving, and collaboration, Teacher guides and lesson plans included, Supports social and emotional development

**In-app purchases:** none


## Frequently asked questions

### Is Blue free?

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

### Is Coding Express LEGO® Education free?

Coding Express LEGO® Education is free to download, with no in-app purchases.

### Which has better reviews, Blue or Coding Express LEGO® Education?

Coding Express LEGO® Education is rated higher. Blue averages 3.7 out of 5 from 7 ratings, while Coding Express LEGO® Education averages 4.2 from 250 ratings.

### Do Blue or Coding Express LEGO® Education have ads?

Neither Blue nor Coding Express LEGO® Education shows ads.

### Which is updated more often, Blue or Coding Express LEGO® Education?

Blue ships an update every 3 months, and Coding Express LEGO® Education every 8 months. Most recently, Blue was updated on September 24, 2026 and Coding Express LEGO® Education on October 7, 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.*