# GS vs GSDSP Quantum Delay

The clearest difference is update cadence: GSDSP Quantum Delay at every 6 weeks against GS's every 17 months. GSDSP Quantum Delay also leads on rating (4.8 vs 4.5). GS's advantage is price ($11.99 vs $14.99) and iOS requirement (11.0 vs 13.0). On review sentiment, ratings volume, ads and in-app purchases there is nothing between them.

GS costs $11.99 and GSDSP Quantum Delay $14.99 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 4.5. Both are backed by a comparable volume of ratings — 11 and 16 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

GS ships an update every 17 months, GSDSP Quantum Delay every 6 weeks. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | GS | GSDSP Quantum Delay |
| --- | --- | --- |
| Price | **$11.99** | $14.99 |
| Rating | [4.5 (11 ratings)](https://appshunter.io/ios/app/gs-201/id1643866815/reviews) | **[4.8 (16 ratings)](https://appshunter.io/ios/app/gsdsp-quantum-delay/id6469328297/reviews)** |
| Number of ratings | 11 | **16** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 17 months | **Every 6 weeks** |
| Monetization | Paid | Paid |
| Size | 10 MB | 94 MB |
| Requires iOS | **11.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Genuine Soundware](https://appshunter.io/developer/1560880481) | [Gustav Scholda](https://appshunter.io/developer/1642323227) |

## What reviewers say

### GS

[App page](https://appshunter.io/ios/app/gs-201/id1643866815)

This audio plugin emulates the classic Space Echo tape delay effect for iOS devices. It aims to replicate the authentic sound and quirks of the original hardware, offering a vintage delay experience.

**Highlights:** AUv3 plugin for iOS, Emulates Space Echo tape delay, Authentic vintage sound, Basic controls mirroring original hardware, iPad platform 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 GS free?

GS costs $11.99, 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, GS or GSDSP Quantum Delay?

GSDSP Quantum Delay is rated higher. GS averages 4.5 out of 5 from 11 ratings, while GSDSP Quantum Delay averages 4.8 from 16 ratings.

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

Neither GS nor GSDSP Quantum Delay shows ads.

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

GS ships an update every 17 months, and GSDSP Quantum Delay every 6 weeks. Most recently, GS was updated on October 24, 2026 and GSDSP Quantum Delay on October 25, 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.*