# BrainBud vs GSDSP Quantum Delay

The clearest difference is price: BrainBud at $2.99 against GSDSP Quantum Delay's $14.99. BrainBud also leads on rating (5.0 vs 4.8). GSDSP Quantum Delay's advantage is ratings volume (17 vs 2). On review sentiment, update cadence, ads and in-app purchases there is nothing between them.

BrainBud costs $2.99 and GSDSP Quantum Delay $14.99 up front. Neither carries in-app purchases, so what you see is what you pay.

BrainBud holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: GSDSP Quantum Delay has 17 ratings behind it against 2, so its average is the more settled of the two. Written reviews split almost evenly too, at 100% and 100% positive.

BrainBud ships an update every 2 months, GSDSP Quantum Delay every 5 weeks. The most recent releases landed on September 21, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | BrainBud | GSDSP Quantum Delay |
| --- | --- | --- |
| Price | **$2.99** | $14.99 |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/brainbud-bud-app-controller/id6446066258/reviews)** | [4.8 (17 ratings)](https://appshunter.io/ios/app/gsdsp-quantum-delay/id6469328297/reviews) |
| Number of ratings | 2 | **17** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 5 weeks** |
| Monetization | Paid | Paid |
| Size | 15 MB | 94 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Cem Olcay](https://appshunter.io/developer/523633853) | [Gustav Scholda](https://appshunter.io/developer/1642323227) |

## What reviewers say

### BrainBud

[App page](https://appshunter.io/ios/app/brainbud-bud-app-controller/id6446066258)

This app acts as a central controller for other music creation applications, allowing you to manage keys and scales simultaneously. It integrates with a variety of Bud apps via MIDI, enabling synchronized changes and broadcasting of musical parameters. Experiment with randomization and automate settings through its AUv3 plugin.

**Highlights:** Centralized key and scale control, MIDI out to multiple Bud apps, Budcast for parameter broadcasting, Randomize musical parameters, AUv3 plugin for automation, Requires other Bud apps to function

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

**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 BrainBud free?

BrainBud costs $2.99, 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, BrainBud or GSDSP Quantum Delay?

BrainBud is rated higher. BrainBud averages 5.0 out of 5 from 2 ratings, while GSDSP Quantum Delay averages 4.8 from 17 ratings.

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

Neither BrainBud nor GSDSP Quantum Delay shows ads.

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

BrainBud ships an update every 2 months, and GSDSP Quantum Delay every 5 weeks. Most recently, BrainBud was updated on September 21, 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.*