# ArduinoBlue vs DSD TECH Bluetooth

The clearest difference is review sentiment: ArduinoBlue at 90% against DSD TECH Bluetooth's 40%. ArduinoBlue also leads on rating (4.5 vs 2.8). DSD TECH Bluetooth's advantage is update cadence (every 2 months vs every 9 months). On price, ratings volume, ads and in-app purchases there is nothing between them.

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

ArduinoBlue holds the better App Store score, 4.5 against 2.8. Both are backed by a comparable volume of ratings — 19 and 18 respectively. Written reviews point the same way: 90% of ArduinoBlue's written reviews are positive against 40% of DSD TECH Bluetooth's.

ArduinoBlue ships an update every 9 months, DSD TECH Bluetooth every 2 months. The most recent releases landed on October 1, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | ArduinoBlue | DSD TECH Bluetooth |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (19 ratings)](https://appshunter.io/ios/app/arduinoblue/id1340487989/reviews)** | [2.8 (18 ratings)](https://appshunter.io/ios/app/dsd-tech-bluetooth/id1441528159/reviews) |
| Number of ratings | **19** | 18 |
| Positive reviews | **90.0% of reviews** | 40.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 9 months | **Every 2 months** |
| Monetization | Free | Free |
| Size | 10 MB | 2 MB |
| Requires iOS | **8.0** | 9.3 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Mechanismic Inc.](https://appshunter.io/developer/1065657087) | [DongGuan DESHIDE TECHNOLOGY CO.,LTD](https://appshunter.io/developer/1718185095) |

## What reviewers say

### ArduinoBlue

[App page](https://appshunter.io/ios/app/arduinoblue/id1340487989)

Control Arduino-powered devices wirelessly via Bluetooth. Customize interfaces with sliders, buttons, and a joystick for seamless interaction with motors, servos, and sensors. Supports iOS devices with BLE modules.

**Highlights:** Bluetooth control for Arduino, Customizable sliders and buttons, Joystick control, Tilt control, Send and receive text strings, Easy-to-use Arduino library

**Features:** macOS Compatibility

**In-app purchases:** none


### DSD TECH Bluetooth

[App page](https://appshunter.io/ios/app/dsd-tech-bluetooth/id1441528159)

This utility app facilitates efficient communication with specific DSD TECH Bluetooth modules. It supports a range of relay and BLE modules, streamlining interactions and saving users time. Compatible with various DSD TECH Bluetooth devices.

**Highlights:** Efficient communication with Bluetooth modules, Supports DSD TECH Bluetooth Relay modules, Supports DSD TECH SH-HC-08, SH-M08, HM-10, SH-11 modules, Supports DSD TECH Bluetooth BLE modules, Saves user time

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is ArduinoBlue free?

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

### Is DSD TECH Bluetooth free?

DSD TECH Bluetooth is free to download, with no in-app purchases.

### Which has better reviews, ArduinoBlue or DSD TECH Bluetooth?

ArduinoBlue is rated higher. ArduinoBlue averages 4.5 out of 5 from 19 ratings, while DSD TECH Bluetooth averages 2.8 from 18 ratings.

### Do ArduinoBlue or DSD TECH Bluetooth have ads?

Neither ArduinoBlue nor DSD TECH Bluetooth shows ads.

### Which is updated more often, ArduinoBlue or DSD TECH Bluetooth?

ArduinoBlue ships an update every 9 months, and DSD TECH Bluetooth every 2 months. Most recently, ArduinoBlue was updated on October 1, 2026 and DSD TECH Bluetooth on September 29, 2026.

---

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