# MicroBlue vs BT Car Controller

The clearest difference is update cadence: BT Car Controller at every 3 weeks against MicroBlue's every 3 months. MicroBlue's advantage is iOS requirement (13.4 vs 15). On price, ads, in-app purchases and device support there is nothing between them.

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

MicroBlue ships an update every 3 months, BT Car Controller every 3 weeks. The most recent releases landed on September 27, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | MicroBlue | BT Car Controller |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (2 ratings)](https://appshunter.io/ios/app/microblue/id6469052831/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 3 weeks** |
| Monetization | Free | — |
| Size | 16 MB | 3 MB |
| Requires iOS | **13.4** | 15 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Mechanismic Inc.](https://appshunter.io/developer/1065657087) | [RUI-SHENG CHEN](https://appshunter.io/developer/1847570678) |

## 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


### BT Car Controller

[App page](https://appshunter.io/ios/app/bt-car-controller/id6754270007)

**In-app purchases:** none


## Frequently asked questions

### Is MicroBlue free?

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

### Is BT Car Controller free?

BT Car Controller is free to download, with no in-app purchases.

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

Neither MicroBlue nor BT Car Controller shows ads.

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

MicroBlue ships an update every 3 months, and BT Car Controller every 3 weeks. Most recently, MicroBlue was updated on September 27, 2026 and BT Car Controller 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.*