# Arduino BT Controller vs BT Car Controller

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

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

Arduino BT Controller ships an update every 8 days, BT Car Controller every 3 weeks. The most recent releases landed on June 28, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | Arduino BT Controller | BT Car Controller |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.0 (1 ratings)](https://appshunter.io/ios/app/arduino-bt-controller/id6744121460/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 8 days** | Every 3 weeks |
| Monetization | Free with in-app purchases | — |
| Size | 7 MB | 3 MB |
| Requires iOS | 18.2 | **15** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Boyle Sim](https://appshunter.io/developer/1806031422) | [RUI-SHENG CHEN](https://appshunter.io/developer/1847570678) |

## What reviewers say

### 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 |


### BT Car Controller

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

**In-app purchases:** none


## Frequently asked questions

### Is Arduino BT Controller free?

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

### Is BT Car Controller free?

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

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

Arduino BT Controller shows ads; BT Car Controller does not.

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

Arduino BT Controller ships an update every 8 days, and BT Car Controller every 3 weeks. Most recently, Arduino BT Controller was updated on June 28, 2026 and BT Car Controller on September 19, 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.*