# GSDSP Quantum Delay vs MuseBud

The clearest difference is price: MuseBud at $5.99 against GSDSP Quantum Delay's $14.99. MuseBud also leads on update cadence (every 6 days vs every 6 weeks). On rating, review sentiment, ratings volume and ads there is nothing between them.

GSDSP Quantum Delay costs $14.99 and MuseBud $5.99 up front. Neither carries in-app purchases, so what you see is what you pay.

GSDSP Quantum Delay holds the better App Store score, 4.8 against 4.7. Both are backed by a comparable volume of ratings — 17 and 12 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

GSDSP Quantum Delay ships an update every 6 weeks, MuseBud every 6 days. The most recent releases landed on November 3, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | GSDSP Quantum Delay | MuseBud |
| --- | --- | --- |
| Price | $14.99 | **$5.99** |
| Rating | **[4.8 (17 ratings)](https://appshunter.io/ios/app/gsdsp-quantum-delay/id6469328297/reviews)** | [4.7 (12 ratings)](https://appshunter.io/ios/app/musebud-auv3-midi-generator/id6472487197/reviews) |
| Number of ratings | **17** | 12 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 6 days** |
| Monetization | Paid | Paid |
| Size | 94 MB | 7 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Gustav Scholda](https://appshunter.io/developer/1642323227) | [Cem Olcay](https://appshunter.io/developer/523633853) |

## What reviewers say

### 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


### MuseBud

[App page](https://appshunter.io/ios/app/musebud-auv3-midi-generator/id6472487197)

This app generates musical notes based on user-defined probabilities for various musical parameters. It includes a looper for capturing and repeating sequences, with detailed editing capabilities for individual notes within the loop. It's a powerful tool for creating complex and evolving musical patterns.

**Highlights:** Generative note creation with customizable probabilities, Adjustable note, octave, duration, velocity, gate, and ratchet parameters, Integrated looper with up to 64-note buffer, Step editing within the looper, Multiple pattern support with independent looper buffers, Key and scale customization

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

**In-app purchases:** none


## Frequently asked questions

### Is GSDSP Quantum Delay free?

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

### Is MuseBud free?

MuseBud costs $5.99, with no in-app purchases.

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

GSDSP Quantum Delay is rated higher. GSDSP Quantum Delay averages 4.8 out of 5 from 17 ratings, while MuseBud averages 4.7 from 12 ratings.

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

Neither GSDSP Quantum Delay nor MuseBud shows ads.

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

GSDSP Quantum Delay ships an update every 6 weeks, and MuseBud every 6 days. Most recently, GSDSP Quantum Delay was updated on November 3, 2026 and MuseBud on November 4, 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.*