# Sound Architect by QuickSilver vs WellnessTech Controller

The clearest difference is update cadence: WellnessTech Controller at every 6 weeks against Sound Architect by QuickSilver's every 30 months. Sound Architect by QuickSilver's advantage is iOS requirement (10.0 vs 15.0). On price, ads, 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.

Sound Architect by QuickSilver ships an update every 30 months, WellnessTech Controller every 6 weeks. Both last shipped on September 11, 2026.

## The numbers

| Metric | Sound Architect by QuickSilver | WellnessTech Controller |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 30 months | **Every 6 weeks** |
| Monetization | Free | — |
| Size | 18 MB | 55 MB |
| Requires iOS | **10.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [quicksilverexhausts](https://appshunter.io/developer/1444612016) | [WellnessTech Kft.](https://appshunter.io/developer/1739741593) |

## What reviewers say

### Sound Architect by QuickSilver

[App page](https://appshunter.io/ios/app/sound-architect-by-quicksilver/id1445035305)

Control your vehicle's exhaust valves remotely via Bluetooth. Choose between open valves for a sporty sound or closed valves for a refined journey. Your selection is remembered even after the car is turned off.

**Highlights:** Remote valve control, Bluetooth connectivity, Sporty or refined sound modes, Ignition-independent settings, UK-designed electronics

**Features:** macOS Compatibility

**In-app purchases:** none


### WellnessTech Controller

[App page](https://appshunter.io/ios/app/wellnesstech-controller/id6745705968)

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

**In-app purchases:** none


## Frequently asked questions

### Is Sound Architect by QuickSilver free?

Sound Architect by QuickSilver is free to download, with no in-app purchases.

### Is WellnessTech Controller free?

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

### Do Sound Architect by QuickSilver or WellnessTech Controller have ads?

Neither Sound Architect by QuickSilver nor WellnessTech Controller shows ads.

### Which is updated more often, Sound Architect by QuickSilver or WellnessTech Controller?

Sound Architect by QuickSilver ships an update every 30 months, and WellnessTech Controller every 6 weeks. Most recently, Sound Architect by QuickSilver was updated on September 11, 2026 and WellnessTech Controller on September 11, 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.*