# GSDSP Quantum Delay Lite vs GlassChoir

The clearest difference is price: GSDSP Quantum Delay Lite at Free against GlassChoir's $0.99. GSDSP Quantum Delay Lite also leads on device support (3 vs 1) and iOS requirement (13.0 vs 18.0). GlassChoir's advantage is update cadence (daily vs every 6 weeks). On ads and in-app purchases there is nothing between them.

GSDSP Quantum Delay Lite is free to download; GlassChoir costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

GSDSP Quantum Delay Lite ships an update every 6 weeks, GlassChoir daily. The most recent releases landed on October 25, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | GSDSP Quantum Delay Lite | GlassChoir |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | **[5.0 (4 ratings)](https://appshunter.io/ios/app/gsdsp-quantum-delay-lite/id6757497568/reviews)** | — |
| Number of ratings | **4** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Daily** |
| Monetization | Free | — |
| Size | 58 MB | 2 MB |
| Requires iOS | **13.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Gustav Scholda](https://appshunter.io/developer/1642323227) | [Austen Allred](https://appshunter.io/developer/1020047784) |

## What reviewers say

### GSDSP Quantum Delay Lite

[App page](https://appshunter.io/ios/app/gsdsp-quantum-delay-lite/id6757497568)

This audio effect plugin offers vintage-inspired stereo delay with deep modulation, flexible filtering, and creative timing options. It allows for precise control over echoes, from warm analog sounds to shimmering textures, and integrates an advanced modulation system for unique sound design.

**Highlights:** Vintage-inspired stereo delay, Deep modulation system, Flexible filtering, Creative timing controls, Precise feedback control, Crossfeed and Over-Feedback options

**Features:** Vision Pro support

**In-app purchases:** none


### GlassChoir

[App page](https://appshunter.io/ios/app/glasschoir/id6760956931)

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

**In-app purchases:** none


## Frequently asked questions

### Is GSDSP Quantum Delay Lite free?

GSDSP Quantum Delay Lite is free to download, with no in-app purchases.

### Is GlassChoir free?

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

### Do GSDSP Quantum Delay Lite or GlassChoir have ads?

Neither GSDSP Quantum Delay Lite nor GlassChoir shows ads.

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

GSDSP Quantum Delay Lite ships an update every 6 weeks, and GlassChoir daily. Most recently, GSDSP Quantum Delay Lite was updated on October 25, 2026 and GlassChoir on September 21, 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.*