# MicroBlue vs Arduino BT Controller

The clearest difference is rating: MicroBlue at 4.5 against Arduino BT Controller's 2.0. MicroBlue also leads on in-app purchases (none vs 1) and ads (none vs shown). Arduino BT Controller's advantage is update cadence (every 8 days vs every 3 months). On price, ratings volume and device support there is nothing between them.

Both are free to download. Arduino BT Controller sells 1 one-off in-app purchase. MicroBlue asks for nothing beyond the download.

MicroBlue holds the better App Store score, 4.5 against 2.0. Both are backed by a comparable volume of ratings — 2 and 1 respectively.

MicroBlue ships an update every 3 months, Arduino BT Controller every 8 days. The most recent releases landed on July 6, 2026 and June 28, 2026 respectively.

## The numbers

| Metric | MicroBlue | Arduino BT Controller |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (2 ratings)](https://appshunter.io/ios/app/microblue/id6469052831/reviews)** | [2.0 (1 ratings)](https://appshunter.io/ios/app/arduino-bt-controller/id6744121460/reviews) |
| Number of ratings | **2** | 1 |
| Positive reviews | — | 50.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 3 months | **Every 8 days** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 16 MB | 7 MB |
| Requires iOS | **13.4** | 18.2 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Mechanismic Inc.](https://appshunter.io/developer/1065657087) | [Boyle Sim](https://appshunter.io/developer/1806031422) |

## What reviewers say

### MicroBlue

[App page](https://appshunter.io/ios/app/microblue/id6469052831)

This app connects to microcontrollers via Bluetooth/BLE, offering a customizable interface for control and interaction. It supports various components like joysticks and buttons, streamlining hobbyist and professional projects.

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

**Features:** macOS Compatibility

**In-app purchases:** none


### Arduino BT Controller

[App page](https://appshunter.io/ios/app/arduino-bt-controller/id6744121460)

Control Arduino-based RC cars using Bluetooth 4.0. Customize button actions for real-time driving control. No login is needed for immediate use.

**Highlights:** Drive forward, backward, left, and right, Customizable button actions, Real-time Bluetooth communication, No login required

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $0.99 | one-time |


## Frequently asked questions

### Is MicroBlue free?

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

### Is Arduino BT Controller free?

Arduino BT Controller is free to download, with in-app purchases available.

### Which has better reviews, MicroBlue or Arduino BT Controller?

MicroBlue is rated higher. MicroBlue averages 4.5 out of 5 from 2 ratings, while Arduino BT Controller averages 2.0 from 1 ratings.

### Do MicroBlue or Arduino BT Controller have ads?

Arduino BT Controller shows ads; MicroBlue does not.

### Which is updated more often, MicroBlue or Arduino BT Controller?

MicroBlue ships an update every 3 months, and Arduino BT Controller every 8 days. Most recently, MicroBlue was updated on July 6, 2026 and Arduino BT Controller on June 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.*