# Symphony Contractor Connect vs AUX Service

The clearest difference is update cadence: AUX Service at fortnightly against Symphony Contractor Connect's every 6 weeks. On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Symphony Contractor Connect ships an update every 6 weeks, AUX Service fortnightly. The most recent releases landed on October 24, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Symphony Contractor Connect | AUX Service |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (3 ratings)](https://appshunter.io/ios/app/symphony-contractor-connect/id1549973220/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Fortnightly** |
| Monetization | Free | Free |
| Size | 64 MB | 59 MB |
| Requires iOS | 15.0 | 15 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [WaterFurnace International](https://appshunter.io/developer/940139733) | [奥克斯智慧空调](https://appshunter.io/developer/909627326) |

## What reviewers say

### Symphony Contractor Connect

[App page](https://appshunter.io/ios/app/symphony-contractor-connect/id1549973220)

Access WaterFurnace ground source heat pump data and troubleshooting tools. This application enhances the service technician's experience in assessing system performance and diagnosing component issues. It replaces the older AID Tool with an improved and more efficient interface.

**Highlights:** Ground source heat pump data access, System performance assessment, Component troubleshooting, Technical literature lookup, Troubleshooting video library, Replaces AID Tool

**Features:** Vision Pro support

**In-app purchases:** none


### AUX Service

[App page](https://appshunter.io/ios/app/aux-service/id6473874582)

This app assists after-sales engineers with intelligent service tasks. It provides tools for managing work orders, accessing online training materials, and utilizing maintenance guidance.

**Highlights:** Work order management, Online training access, Maintenance guidance, Service process visibility, Engineer support tools

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

**In-app purchases:** none


## Frequently asked questions

### Is Symphony Contractor Connect free?

Symphony Contractor Connect is free to download, with no in-app purchases.

### Is AUX Service free?

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

### Do Symphony Contractor Connect or AUX Service have ads?

Neither Symphony Contractor Connect nor AUX Service shows ads.

### Which is updated more often, Symphony Contractor Connect or AUX Service?

Symphony Contractor Connect ships an update every 6 weeks, and AUX Service fortnightly. Most recently, Symphony Contractor Connect was updated on October 24, 2026 and AUX Service on October 30, 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.*