# BlueHHT vs Bluetooth Serial Connect

The clearest difference is ads: BlueHHT at none against Bluetooth Serial Connect's shown. BlueHHT also leads on iOS requirement (13.0 vs 16.2). On price, update cadence, 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.

BlueHHT ships an update every 12 months, Bluetooth Serial Connect every 10 months. The most recent releases landed on October 2, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | BlueHHT | 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 12 months | **Every 10 months** |
| Monetization | — | Free |
| Size | 15 MB | 24 MB |
| Requires iOS | **13.0** | 16.2 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Dohmann Engineering Services](https://appshunter.io/developer/401682475) | [Henry Abrahamsen](https://appshunter.io/developer/1544660671) |

## What reviewers say

### BlueHHT

[App page](https://appshunter.io/ios/app/bluehht/id1551056680)

**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 BlueHHT free?

BlueHHT 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 BlueHHT or Bluetooth Serial Connect have ads?

Bluetooth Serial Connect shows ads; BlueHHT does not.

### Which is updated more often, BlueHHT or Bluetooth Serial Connect?

BlueHHT ships an update every 12 months, and Bluetooth Serial Connect every 10 months. Most recently, BlueHHT was updated on October 2, 2026 and Bluetooth Serial Connect on September 29, 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.*