# GSDSP Quantum Filter vs midifruuze

The clearest difference is review sentiment: GSDSP Quantum Filter at 100% against midifruuze's 50%. GSDSP Quantum Filter also leads on rating (5.0 vs 4.6) and iOS requirement (12.0 vs 15.6). midifruuze's advantage is price ($3.99 vs $14.99) and update cadence (every 3 weeks vs every 5 weeks). On ratings volume, ads, in-app purchases and monetization model there is nothing between them.

GSDSP Quantum Filter costs $14.99 and midifruuze $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

GSDSP Quantum Filter holds the better App Store score, 5.0 against 4.6. Both are backed by a comparable volume of ratings — 3 and 7 respectively. Written reviews point the same way: 100% of GSDSP Quantum Filter's written reviews are positive against 50% of midifruuze's.

GSDSP Quantum Filter ships an update every 5 weeks, midifruuze every 3 weeks. The most recent releases landed on September 22, 2026 and August 26, 2026 respectively.

## The numbers

| Metric | GSDSP Quantum Filter | midifruuze |
| --- | --- | --- |
| Price | $14.99 | **$3.99** |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/gsdsp-quantum-filter/id6498711920/reviews)** | [4.6 (7 ratings)](https://appshunter.io/ios/app/midifruuze/id6504027734/reviews) |
| Number of ratings | 3 | **7** |
| Positive reviews | **100.0% of reviews** | 50.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 3 weeks** |
| Monetization | Paid | Paid |
| Size | 77 MB | 8 MB |
| Requires iOS | **12.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Gustav Scholda](https://appshunter.io/developer/1642323227) | [Alexey Nadzharov](https://appshunter.io/developer/729549192) |

## 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


### midifruuze

[App page](https://appshunter.io/ios/app/midifruuze/id6504027734)

Capture and replay MIDI data with various playback modes. This tool allows for live manipulation of MIDI notes, offering creative control for musicians and producers. It functions as a standalone app or an Audio Unit extension.

**Highlights:** Live MIDI data capture, 10-second MIDI buffer, Scrub Pitch playback, Scrub Velocity playback, Freeze playback mode, Hit playback mode, Standalone and AUv3 support

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

**In-app purchases:** none


## Frequently asked questions

### Is GSDSP Quantum Filter free?

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

### Is midifruuze free?

midifruuze costs $3.99, with no in-app purchases.

### Which has better reviews, GSDSP Quantum Filter or midifruuze?

GSDSP Quantum Filter is rated higher. GSDSP Quantum Filter averages 5.0 out of 5 from 3 ratings, while midifruuze averages 4.6 from 7 ratings.

### Do GSDSP Quantum Filter or midifruuze have ads?

Neither GSDSP Quantum Filter nor midifruuze shows ads.

### Which is updated more often, GSDSP Quantum Filter or midifruuze?

GSDSP Quantum Filter ships an update every 5 weeks, and midifruuze every 3 weeks. Most recently, GSDSP Quantum Filter was updated on September 22, 2026 and midifruuze on August 26, 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.*