# DSD TECH SWITCH vs Bluetooth Serial Connect

The clearest difference is ads: DSD TECH SWITCH at none against Bluetooth Serial Connect's shown. DSD TECH SWITCH also leads on iOS requirement (9.3 vs 16.2). Bluetooth Serial Connect's advantage is update cadence (every 10 months vs every 29 months). On price, 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.

DSD TECH SWITCH ships an update every 29 months, Bluetooth Serial Connect every 10 months. The most recent releases landed on September 20, 2026 and July 21, 2026 respectively.

## The numbers

| Metric | DSD TECH SWITCH | Bluetooth Serial Connect |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.7 (7 ratings)](https://appshunter.io/ios/app/bluetooth-serial-connect/id6449396821/reviews)** |
| Number of ratings | — | **7** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 29 months | **Every 10 months** |
| Monetization | — | Free |
| Size | 3 MB | 24 MB |
| Requires iOS | **9.3** | 16.2 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [DongGuan DESHIDE TECHNOLOGY CO.,LTD](https://appshunter.io/developer/1718185095) | [Henry Abrahamsen](https://appshunter.io/developer/1544660671) |

## What reviewers say

### DSD TECH SWITCH

[App page](https://appshunter.io/ios/app/dsd-tech-switch/id1483733224)

**Features:** macOS Compatibility

**In-app purchases:** none


### 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


## Frequently asked questions

### Is DSD TECH SWITCH free?

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

### Is Bluetooth Serial Connect free?

Bluetooth Serial Connect is free to download, with no in-app purchases.

### Do DSD TECH SWITCH or Bluetooth Serial Connect have ads?

Bluetooth Serial Connect shows ads; DSD TECH SWITCH does not.

### Which is updated more often, DSD TECH SWITCH or Bluetooth Serial Connect?

DSD TECH SWITCH ships an update every 29 months, and Bluetooth Serial Connect every 10 months. Most recently, DSD TECH SWITCH was updated on September 20, 2026 and Bluetooth Serial Connect on July 21, 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.*