# Bluetooth Serial Connect vs Aquarius Field Maintenance

The clearest difference is ads: Aquarius Field Maintenance at none against Bluetooth Serial Connect's shown. Aquarius Field Maintenance also leads on update cadence (daily vs every 10 months) and iOS requirement (13.0 vs 16.2). 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.

Bluetooth Serial Connect ships an update every 10 months, Aquarius Field Maintenance daily. The most recent releases landed on October 24, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Bluetooth Serial Connect | Aquarius Field Maintenance |
| --- | --- | --- |
| 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 | Yes | **No** |
| Update frequency | Every 10 months | **Daily** |
| Monetization | Free | — |
| Size | 24 MB | 37 MB |
| Requires iOS | 16.2 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Henry Abrahamsen](https://appshunter.io/developer/1544660671) | [Edrean Ernst](https://appshunter.io/developer/1022021500) |

## 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


### Aquarius Field Maintenance

[App page](https://appshunter.io/ios/app/aquarius-field-maintenance/id6758987630)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Bluetooth Serial Connect free?

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

### Is Aquarius Field Maintenance free?

Aquarius Field Maintenance is free to download, with no in-app purchases.

### Do Bluetooth Serial Connect or Aquarius Field Maintenance have ads?

Bluetooth Serial Connect shows ads; Aquarius Field Maintenance does not.

### Which is updated more often, Bluetooth Serial Connect or Aquarius Field Maintenance?

Bluetooth Serial Connect ships an update every 10 months, and Aquarius Field Maintenance daily. Most recently, Bluetooth Serial Connect was updated on October 24, 2026 and Aquarius Field Maintenance on October 28, 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.*