# Bluetooth Serial Connect vs Arduino BT Controller

The clearest difference is review sentiment: Arduino BT Controller at 50% against Bluetooth Serial Connect's 0%. Arduino BT Controller also leads on update cadence (every 8 days vs every 10 months). Bluetooth Serial Connect's advantage is rating (3.7 vs 2.0) and in-app purchases (none vs 1). On price, ads and device support there is nothing between them.

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

Bluetooth Serial Connect holds the better App Store score, 3.7 against 2.0. That said, the two scores are not equally well evidenced: Bluetooth Serial Connect has 7 ratings behind it against 1, so its average is the more settled of the two. Written reviews complicate that: 0% of Bluetooth Serial Connect's written reviews are positive against 50% of Arduino BT Controller's, so the app with the better star average is not the one people write more warmly about.

Bluetooth Serial Connect ships an update every 10 months, Arduino BT Controller every 8 days. The most recent releases landed on September 29, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | Bluetooth Serial Connect | Arduino BT Controller |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.7 (7 ratings)](https://appshunter.io/ios/app/bluetooth-serial-connect/id6449396821/reviews)** | [2.0 (1 ratings)](https://appshunter.io/ios/app/arduino-bt-controller/id6744121460/reviews) |
| Number of ratings | **7** | 1 |
| Positive reviews | 0.0% of reviews | **50.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 10 months | **Every 8 days** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 24 MB | 7 MB |
| Requires iOS | **16.2** | 18.2 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Henry Abrahamsen](https://appshunter.io/developer/1544660671) | [Boyle Sim](https://appshunter.io/developer/1806031422) |

## What reviewers say

### Bluetooth Serial Connect

[App page](https://appshunter.io/ios/app/bluetooth-serial-connect/id6449396821)

Control your Arduino projects with your phone. Design custom interfaces with buttons, joysticks, and displays to send and receive data via Bluetooth low-energy modules. An integrated library simplifies the connection process.

**Highlights:** Customizable control boards, Button and joystick inputs, Display integration, Bluetooth low-energy module support, Arduino library for easy integration

**Features:** macOS Compatibility, Vision Pro support

**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 Bluetooth Serial Connect free?

Bluetooth Serial Connect 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, Bluetooth Serial Connect or Arduino BT Controller?

Bluetooth Serial Connect is rated higher. Bluetooth Serial Connect averages 3.7 out of 5 from 7 ratings, while Arduino BT Controller averages 2.0 from 1 ratings.

### Do Bluetooth Serial Connect or Arduino BT Controller have ads?

Both Bluetooth Serial Connect and Arduino BT Controller show ads.

### Which is updated more often, Bluetooth Serial Connect or Arduino BT Controller?

Bluetooth Serial Connect ships an update every 10 months, and Arduino BT Controller every 8 days. Most recently, Bluetooth Serial Connect was updated on September 29, 2026 and Arduino BT Controller on October 2, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*