# Bluetooth Serial Connect vs Main

The clearest difference is in-app purchases: Bluetooth Serial Connect at none against Main's 2. Main's advantage is ads (none vs shown) and update cadence (daily vs every 10 months). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Main sells 2 in-app purchases, starting at $0.99 per month. Bluetooth Serial Connect asks for nothing beyond the download.

Bluetooth Serial Connect ships an update every 10 months, Main daily. The most recent releases landed on September 29, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | Bluetooth Serial Connect | Main |
| --- | --- | --- |
| 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** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 10 months | **Daily** |
| Monetization | Free | — |
| Size | 24 MB | 19 MB |
| Requires iOS | 16.2 | **16** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Henry Abrahamsen](https://appshunter.io/developer/1544660671) | [Hayden Patteson](https://appshunter.io/developer/1881209474) |

## 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


### Main

[App page](https://appshunter.io/ios/app/main-tain/id6759850876)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Main-Tain Subscription | $0.99 | per month |
| Main-Tain Yearly Subscription | $9.99 | per year |


## Frequently asked questions

### Is Bluetooth Serial Connect free?

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

### Is Main free?

Main is free to download, with in-app purchases available.

### Do Bluetooth Serial Connect or Main have ads?

Bluetooth Serial Connect shows ads; Main does not.

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

Bluetooth Serial Connect ships an update every 10 months, and Main daily. Most recently, Bluetooth Serial Connect was updated on September 29, 2026 and Main on October 16, 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.*