# PixelWave vs GSDSP Quantum Delay

The clearest difference is price: PixelWave at $0.99 against GSDSP Quantum Delay's $14.99. GSDSP Quantum Delay's advantage is update cadence (every 5 weeks vs every 4 months) and review sentiment (100% vs 89%). On rating, ratings volume, ads and in-app purchases there is nothing between them.

PixelWave costs $0.99 and GSDSP Quantum Delay $14.99 up front. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 4.8 for PixelWave against 4.8 for GSDSP Quantum Delay. Both are backed by a comparable volume of ratings — 19 and 17 respectively. Written reviews are what separate them: 89% of PixelWave's written reviews are positive against 100% of GSDSP Quantum Delay's.

PixelWave ships an update every 4 months, GSDSP Quantum Delay every 5 weeks. The most recent releases landed on September 23, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | PixelWave | GSDSP Quantum Delay |
| --- | --- | --- |
| Price | **$0.99** | $14.99 |
| Rating | [4.8 (19 ratings)](https://appshunter.io/ios/app/pixelwave/id447318771/reviews) | [4.8 (17 ratings)](https://appshunter.io/ios/app/gsdsp-quantum-delay/id6469328297/reviews) |
| Number of ratings | **19** | 17 |
| Positive reviews | 89.3% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 5 weeks** |
| Monetization | Paid | Paid |
| Size | 2 MB | 94 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Alexander Zolotov](https://appshunter.io/developer/324462547) | [Gustav Scholda](https://appshunter.io/developer/1642323227) |

## What reviewers say

### PixelWave

[App page](https://appshunter.io/ios/app/pixelwave/id447318771)

Create unique sounds with an experimental wavetable synthesizer featuring a retro pixel interface. Draw custom waveforms, choose from presets, and adjust octaves. Export your creations and integrate with other music apps.

**Highlights:** Draw custom waveforms, Export to WAV, Nine predefined waveforms, Changeable octaves (2-6), MIDI keyboard support, Audiobus and IAA support

**Features:** macOS Compatibility

**In-app purchases:** none


### GSDSP Quantum Delay

[App page](https://appshunter.io/ios/app/gsdsp-quantum-delay/id6469328297)

This app offers a vintage-inspired stereo delay effect with advanced modulation, flexible filtering, and precise timing controls. It allows users to sculpt unique echo textures, from warm analog sounds to complex, evolving soundscapes.

**Highlights:** Vintage-inspired stereo delay, Deep modulation system, Flexible filtering (LPF, HPF, BPF), Precise timing controls (BPM, ms), Switchable stereo/dual mono modes, Advanced modulation sources (LFO, Random, Envelope)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is PixelWave free?

PixelWave costs $0.99, with no in-app purchases.

### Is GSDSP Quantum Delay free?

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

### Which has better reviews, PixelWave or GSDSP Quantum Delay?

PixelWave and GSDSP Quantum Delay are both rated 4.8 out of 5 on the App Store, from 19 and 17 ratings respectively.

### Do PixelWave or GSDSP Quantum Delay have ads?

Neither PixelWave nor GSDSP Quantum Delay shows ads.

### Which is updated more often, PixelWave or GSDSP Quantum Delay?

PixelWave ships an update every 4 months, and GSDSP Quantum Delay every 5 weeks. Most recently, PixelWave was updated on September 23, 2026 and GSDSP Quantum Delay on September 22, 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.*