# Blue vs micro

The clearest difference is rating: Blue at 3.7 against micro's 3.3. Blue also leads on update cadence (every 3 months vs every 7 months). micro's advantage is ratings volume (89 vs 7). 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.

Blue holds the better App Store score, 3.7 against 3.3. That said, the two scores are not equally well evidenced: micro has 89 ratings behind it against 7, so its average is the more settled of the two. Written reviews split almost evenly too, at 43% and 44% positive.

Blue ships an update every 3 months, micro every 7 months. The most recent releases landed on September 24, 2026 and September 28, 2026 respectively.

## The numbers

| Metric | Blue | micro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.7 (7 ratings)](https://appshunter.io/ios/app/blue-bot/id957753068/reviews)** | [3.3 (89 ratings)](https://appshunter.io/ios/app/microbit/id1092687276/reviews) |
| Number of ratings | 7 | **89** |
| Positive reviews | 42.9% of reviews | **43.8% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 7 months |
| Monetization | Free | Free |
| Size | 130 MB | 59 MB |
| Requires iOS | 12.4 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [TTS Group Limited](https://appshunter.io/developer/500131642) | [Micro:bit Educational Foundation](https://appshunter.io/developer/1484783422) |

## 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


### micro

[App page](https://appshunter.io/ios/app/microbit/id1092687276)

This app is the essential companion for the BBC micro:bit, a pocket-sized programmable computer. It allows you to wirelessly beam programs to your micro:bit via Bluetooth and includes access to a block-based programming editor. Monitor sensor data and control your micro:bit in real-time.

**Highlights:** Wireless flashing of micro:bit hex files, Access to Microsoft MakeCode editor, Bluetooth beaming of programs, Real-time sensor data monitoring, Control micro:bit buttons and pins, Debug running program code, Store and manage HEX files

**Features:** Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 👍 Easy to use and quick to set up
- 💻 Allows coding on mobile devices
- 🎓 Great for learning and education
- ⚡ Fast download and installation
- 🔧 Works well once properly configured

**What reviewers complain about**

- 🐛 Frequent Bluetooth pairing failures
- 🐛 App crashes during code flashing
- 🐛 Connection drops after flashing
- 📱 Poor optimization for phone screens
- 🔌 Requires frequent device reconnection

**Reported bugs**

- Bluetooth pairing fails or shows false success
- App crashes when flashing code to micro:bit
- Connection lost after code flashing
- White screen display issue
- Login fails with Google accounts

**Requested features**

- Offline mode for iOS
- Integrated IDE in app instead of Safari redirect
- Support for multiple languages
- Persistent Bluetooth connection after flashing
- Mute audio functionality


## Frequently asked questions

### Is Blue free?

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

### Is micro free?

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

### Which has better reviews, Blue or micro?

Blue is rated higher. Blue averages 3.7 out of 5 from 7 ratings, while micro averages 3.3 from 89 ratings.

### Do Blue or micro have ads?

Neither Blue nor micro shows ads.

### Which is updated more often, Blue or micro?

Blue ships an update every 3 months, and micro every 7 months. Most recently, Blue was updated on September 24, 2026 and micro on September 28, 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.*