# ARB Compressor Connect vs D

The clearest difference is rating: D at 3.4 against ARB Compressor Connect's 2.4. D also leads on update cadence (monthly vs every 15 months). ARB Compressor Connect's advantage is review sentiment (40% vs 0%). 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.

D holds the better App Store score, 3.4 against 2.4. Both are backed by a comparable volume of ratings — 7 and 5 respectively. Written reviews complicate that: 40% of ARB Compressor Connect's written reviews are positive against 0% of D's, so the app with the better star average is not the one people write more warmly about.

ARB Compressor Connect ships an update every 15 months, D monthly. The most recent releases landed on September 19, 2026 and July 6, 2026 respectively.

## The numbers

| Metric | ARB Compressor Connect | D |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.4 (7 ratings)](https://appshunter.io/ios/app/arb-compressor-connect/id1482583793/reviews) | **[3.4 (5 ratings)](https://appshunter.io/ios/app/d-switch/id6742772970/reviews)** |
| Number of ratings | **7** | 5 |
| Positive reviews | **40.0% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 15 months | **Monthly** |
| Monetization | Free | Free |
| Size | 44 MB | 29 MB |
| Requires iOS | 14.0 | 14.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [ARB Corporation Limited](https://appshunter.io/developer/504458050) | [Diode Dynamics LLC](https://appshunter.io/developer/1282220385) |

## What reviewers say

### ARB Compressor Connect

[App page](https://appshunter.io/ios/app/arb-compressor-connect/id1482583793)

Control and monitor ARB air compressors with this app. Features include tire inflation/deflation to a set pressure, monitoring vehicle voltage, and adjusting air suspension. Customize presets and system settings for optimal performance.

**Highlights:** Control tire inflation/deflation, Monitor tire pressure, Adjust air suspension pressure, Monitor vehicle voltage, Program custom pressure presets, Set system pressure limits, Select pressure units (kPa, PSI, bar)

**In-app purchases:** none


### D

[App page](https://appshunter.io/ios/app/d-switch/id6742772970)

This app provides advanced control for a 12V accessory switch panel, allowing users to customize and manage vehicle lighting and other accessories via Bluetooth. It offers features like custom button programming, strobing patterns, and integration with vehicle signals for a seamless setup.

**Highlights:** Customizable 8-channel switch panel control, Dedicated backlight bus bar control, Group multiple outputs per button, Strobing patterns for outputs, Bluetooth connectivity with instant response, Integration with vehicle signals via trigger wires, Ignition wire for automatic activation/deactivation

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is ARB Compressor Connect free?

ARB Compressor Connect is free to download, with no in-app purchases.

### Is D free?

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

### Which has better reviews, ARB Compressor Connect or D?

D is rated higher. ARB Compressor Connect averages 2.4 out of 5 from 7 ratings, while D averages 3.4 from 5 ratings.

### Do ARB Compressor Connect or D have ads?

Neither ARB Compressor Connect nor D shows ads.

### Which is updated more often, ARB Compressor Connect or D?

ARB Compressor Connect ships an update every 15 months, and D monthly. Most recently, ARB Compressor Connect was updated on September 19, 2026 and D on July 6, 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.*