# Bluetooth for Arduino vs SunFounder Controller

The clearest difference is review sentiment: SunFounder Controller at 95% against Bluetooth for Arduino's 46%. SunFounder Controller also leads on rating (4.4 vs 3.5) and in-app purchases (none vs 5). On price, ratings volume, update cadence and ads there is nothing between them.

Both are free to download. Bluetooth for Arduino sells 5 one-off in-app purchases. SunFounder Controller asks for nothing beyond the download.

SunFounder Controller holds the better App Store score, 4.4 against 3.5. Both are backed by a comparable volume of ratings — 44 and 28 respectively. Written reviews point the same way: 46% of Bluetooth for Arduino's written reviews are positive against 95% of SunFounder Controller's.

Bluetooth for Arduino ships an update every 2 months, SunFounder Controller every 3 months. The most recent releases landed on October 1, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | Bluetooth for Arduino | SunFounder Controller |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.5 (44 ratings)](https://appshunter.io/ios/app/bluetooth-for-arduino/id1505096526/reviews) | **[4.4 (28 ratings)](https://appshunter.io/ios/app/sunfounder-controller/id1538719422/reviews)** |
| Number of ratings | **44** | 28 |
| Positive reviews | 45.7% of reviews | **94.7% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 3 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 5 MB | 92 MB |
| Requires iOS | 18.5 | **11.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [Giuseppe Migliore](https://appshunter.io/developer/1505096105) | [Shenzhen Maker Stars Technology Co., Ltd.](https://appshunter.io/developer/1422345349) |

## What reviewers say

### Bluetooth for Arduino

[App page](https://appshunter.io/ios/app/bluetooth-for-arduino/id1505096526)

Transform your iPhone or iPad into a wireless remote control for your Arduino projects. Easily connect to your Bluetooth module and send custom commands via keyboard or pre-designed buttons.

**Highlights:** Bluetooth remote control, Arduino project control, Custom command sending, Keyboard input, Button interface, Connect to Bluetooth modules

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Coffee | $0.99 | one-time |
| Custom | $3.99 | one-time |
| Gamepad | $3.99 | one-time |
| Terminal | $3.99 | one-time |
| Unlock everything | $11.99 | one-time |


### SunFounder Controller

[App page](https://appshunter.io/ios/app/sunfounder-controller/id1538719422)

This app acts as a virtual remote control for robot kits powered by ESP32 and Raspberry Pi. It offers customizable controls like radar ranging, tracking, sliders, buttons, and arrow keys for interactive robot operation.

**Highlights:** Virtual remote control, ESP32 and Raspberry Pi compatibility, Radar ranging control, Three-channel tracking, Customizable control layout, Sliders, buttons, and arrow keys

**Features:** macOS Compatibility

**In-app purchases:** none

**What reviewers like**

- 👍 Easy to use
- 👍 Great app
- 👍 Useful
- 👍 Good functionality
- 👍 Powerful features

**What reviewers complain about**

- 🐛 Needs to be more stable
- 🐛 Needs to be more user-friendly
- 🐛 Disconnects and won't reconnect without reinstallation
- 🐛 Link button off-screen on iPhone XS Max

**Reported bugs**

- App disconnects and requires reinstallation to reconnect
- Link button is off-screen on iPhone XS Max

**Requested features**

- Add a list-box or radio-button widget class
- More warm functions


## Frequently asked questions

### Is Bluetooth for Arduino free?

Bluetooth for Arduino is free to download, with in-app purchases available.

### Is SunFounder Controller free?

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

### Which has better reviews, Bluetooth for Arduino or SunFounder Controller?

SunFounder Controller is rated higher. Bluetooth for Arduino averages 3.5 out of 5 from 44 ratings, while SunFounder Controller averages 4.4 from 28 ratings.

### Do Bluetooth for Arduino or SunFounder Controller have ads?

Neither Bluetooth for Arduino nor SunFounder Controller shows ads.

### Which is updated more often, Bluetooth for Arduino or SunFounder Controller?

Bluetooth for Arduino ships an update every 2 months, and SunFounder Controller every 3 months. Most recently, Bluetooth for Arduino was updated on October 1, 2026 and SunFounder Controller on October 15, 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.*