# GSDSP Quantum Filter vs Sonement for Sonos

The clearest difference is price: Sonement for Sonos at Free against GSDSP Quantum Filter's $14.99. Sonement for Sonos also leads on update cadence (every 3 days vs every 6 weeks) and device support (5 vs 3). GSDSP Quantum Filter's advantage is in-app purchases (none vs 2) and iOS requirement (13.0 vs 26.0). On ads there is nothing between them.

Sonement for Sonos is free to download; GSDSP Quantum Filter costs $14.99 up front. Sonement for Sonos sells 2 one-off in-app purchases. GSDSP Quantum Filter asks for nothing beyond the download.

GSDSP Quantum Filter ships an update every 6 weeks, Sonement for Sonos every 3 days. The most recent releases landed on October 24, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | GSDSP Quantum Filter | Sonement for Sonos |
| --- | --- | --- |
| Price | $14.99 | **Free** |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/gsdsp-quantum-filter/id6498711920/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 3 days** |
| Monetization | Paid | — |
| Size | 77 MB | 57 MB |
| Requires iOS | **13.0** | 26.0 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, Mac, Apple TV, Apple Watch** |
| Age rating | 4+ | 12+ |
| Developer | [Gustav Scholda](https://appshunter.io/developer/1642323227) | [Jonathan Clegg](https://appshunter.io/developer/1875810270) |

## What reviewers say

### GSDSP Quantum Filter

[App page](https://appshunter.io/ios/app/gsdsp-quantum-filter/id6498711920)

This audio effect plugin offers analog-modeled filters with flexible routing and dynamic modulation for creative sound design. It provides extensive control over tone shaping and complex filtering with various filter types and configurations.

**Highlights:** Analog-modelled filters, 11 filter modes, Series and parallel routing, Dynamic modulation support, Stereo and dual mono modes, MIDI control integration

**Features:** Vision Pro support

**In-app purchases:** none


### Sonement for Sonos

[App page](https://appshunter.io/ios/app/sonement-for-sonos/id6785712171)

**Features:** Family Sharing, Apple Watch app, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 7-day Trial | Free | one-time |
| Unlock Sonement | $9.99 | one-time |


## Frequently asked questions

### Is GSDSP Quantum Filter free?

GSDSP Quantum Filter costs $14.99, with no in-app purchases.

### Is Sonement for Sonos free?

Sonement for Sonos is free to download, with in-app purchases available.

### Do GSDSP Quantum Filter or Sonement for Sonos have ads?

Neither GSDSP Quantum Filter nor Sonement for Sonos shows ads.

### Which is updated more often, GSDSP Quantum Filter or Sonement for Sonos?

GSDSP Quantum Filter ships an update every 6 weeks, and Sonement for Sonos every 3 days. Most recently, GSDSP Quantum Filter was updated on October 24, 2026 and Sonement for Sonos 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.*