# MicroBlue

> Bluetooth/BLE microcontroller companion app with customizable control interfaces. (iPhone/iPad app by Mechanismic Inc..)

- Source: https://appshunter.io/ios/app/microblue/id6469052831 (this page in markdown: same URL + `.md`)
- Developer: [Mechanismic Inc.](https://appshunter.io/developer/1065657087)
- Category: Utilities
- Price: Free
- Rating: 4.50/5 from 2 App Store ratings
- Age rating: 4+
- Requires: iOS 13.4 · 16 MB
- Languages: English
- Released: 2024-03-21
- Data updated: 2026-07-06
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/microblue/id6469052831/reviews.md

## What is MicroBlue?

The ultimate companion app for your microcontroller projects! Whether you're a hobbyist or a professional, MicroBlue simplifies the way you interact with your microcontrollers through seamless Bluetooth/BLE connectivity.

Connect effortlessly and explore the potential of your projects with an intuitive interface designed for customization. Customize your layout using a variety of components such as d-pads, joysticks, buttons, sliders, switches, and text inputs. Tailor the interface to suit your specific needs and project requirements.

It has been verified to work with: 
- Arduino Uno R3 with HM10
- Arduino Uno R4 Minima with HM10
- Arduino Uno R4 Wifi
- Raspberry Pi Pico with HM10
- Raspberry Pi Pico W
- ESP32-S3

Starting from v1.1.1, the app communicates exclusively with the writable custom services of the connected devices.

Empower your creativity and streamline your projects with MicroBlue. Take your microcontroller experience to the next level today!

For assistance and more information, visit: https://snappyxo.io/microblue.

## Key features

- Bluetooth/BLE connectivity
- Customizable control interface
- D-pads, joysticks, buttons, sliders
- Text input support
- Works with Arduino and Raspberry Pi
- Writable custom service communication


## Frequently asked questions about MicroBlue

### What microcontrollers does MicroBlue work with?

MicroBlue has been verified to work with Arduino Uno R3 (HM10), Arduino Uno R4 Minima (HM10), Arduino Uno R4 Wifi, Raspberry Pi Pico (HM10), Raspberry Pi Pico W, and ESP32-S3. It communicates exclusively with writable custom services on these devices.

### How do I customize the interface in MicroBlue?

You can customize the interface in MicroBlue using a variety of components. These include d-pads, joysticks, buttons, sliders, switches, and text inputs, allowing you to tailor it to your specific project needs.

### Is MicroBlue free to use?

Yes, MicroBlue is available for free. There are no in-app purchases or advertisements, making it a completely free utility for your microcontroller projects.

### What devices can I use MicroBlue on?

MicroBlue is currently supported on iPhone and iPod devices. It is designed for iOS users who are involved in microcontroller development.

### How often is MicroBlue updated?

The latest version of MicroBlue is 1.1.1, which was last updated on September 13, 2024. This indicates a relatively active development cycle for the app.

### What is the age rating for MicroBlue?

MicroBlue has an age rating of 4+, making it suitable for a wide range of users, including younger hobbyists. This rating suggests no mature content is present within the application.

### Does MicroBlue have ads?

No, MicroBlue does not contain advertisements. The app is completely free and ad-free, ensuring an uninterrupted user experience for controlling your microcontrollers.

## Version history (last 3 releases)

### 1.1.1 — 2024-09-13

- Fixed communication issues with certain BLE modules and microcontrollers by filtering out predefined BLE services. It now communicates exclusively with writable custom services.

### 1.1.0 — 2024-04-17

- Joystick and D-pad sizes now dynamically adjust based on your screen size.
- Added Help screen.

### 1.0 — 2024-03-21

No release notes.

## Apps similar to MicroBlue

| App | Rating | Price | Category |
| --- | --- | --- | --- |
| [Bluetooth for Arduino](https://appshunter.io/ios/app/bluetooth-for-arduino/id1505096526) | 3.7 (41) | Free | Utilities |
| [Arduino BT Controller](https://appshunter.io/ios/app/arduino-bt-controller/id6744121460) | 2.0 (1) | Free | Utilities |
| [Bluetooth Serial Connect](https://appshunter.io/ios/app/bluetooth-serial-connect/id6449396821) | 4.2 (6) | Free | Utilities |
| [BLE Joystick](https://appshunter.io/ios/app/ble-joystick/id1098200556) | 3.0 (12) | Free | Utilities |
| [ForBLE](https://appshunter.io/ios/app/forble/id6468229153) | — | Free | Utilities |
| [BLE Controller – Arduino ESP32](https://appshunter.io/ios/app/ble-controller-arduino-esp32/id6754522781) | 5.0 (2) | Free | Utilities |

## More apps by Mechanismic Inc.

- [MotionGen](https://appshunter.io/ios/app/motiongen/id1065657088)
- [ArduinoBlue](https://appshunter.io/ios/app/arduinoblue/id1340487989)
- [SnappyXOProjects](https://appshunter.io/ios/app/snappyxoprojects/id1530128561)
- [ArduinoBlue V2](https://appshunter.io/ios/app/arduinoblue-v2/id1637177019)

All apps by Mechanismic Inc.: https://appshunter.io/developer/1065657087

## Related topics

[ble joystick](https://appshunter.io/ios/topics/ble-joystick) · [arduino blue](https://appshunter.io/ios/topics/arduino-blue)

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-07-06.*