# GSDSP Quantum Delay Lite vs Obsidian Sounds

The clearest difference is ratings volume: GSDSP Quantum Delay Lite at 4 against Obsidian Sounds's 1. GSDSP Quantum Delay Lite also leads on iOS requirement (13.0 vs 26.4). On price, rating, update cadence and ads there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 5.0 for GSDSP Quantum Delay Lite against 5.0 for Obsidian Sounds. Both are backed by a comparable volume of ratings — 4 and 1 respectively.

GSDSP Quantum Delay Lite ships an update every 6 weeks, Obsidian Sounds monthly. The most recent releases landed on October 25, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | GSDSP Quantum Delay Lite | Obsidian Sounds |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (4 ratings)](https://appshunter.io/ios/app/gsdsp-quantum-delay-lite/id6757497568/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/obsidian-sounds/id6762522710/reviews) |
| Number of ratings | **4** | 1 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Monthly** |
| Monetization | Free | Free |
| Size | 58 MB | 26 MB |
| Requires iOS | **13.0** | 26.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Gustav Scholda](https://appshunter.io/developer/1642323227) | [Alex Slem](https://appshunter.io/developer/1879396857) |

## 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


### Obsidian Sounds

[App page](https://appshunter.io/ios/app/obsidian-sounds/id6762522710)

Transform your local music library into a high-vibration somatic experience with a minimalist, distraction-free interface. This app offers haptic integration for a physical listening anchor and a focus mode for deep work.

**Highlights:** Somatic Alchemy Engine, Minimalist, distraction-free UI, Haptic Integration, Steady Builder Focus Mode, Intuitive controls, Hidden interactive game

**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 Obsidian Sounds free?

Obsidian Sounds is free to download, with no in-app purchases.

### Which has better reviews, GSDSP Quantum Delay Lite or Obsidian Sounds?

GSDSP Quantum Delay Lite and Obsidian Sounds are both rated 5.0 out of 5 on the App Store, from 4 and 1 ratings respectively.

### Do GSDSP Quantum Delay Lite or Obsidian Sounds have ads?

Neither GSDSP Quantum Delay Lite nor Obsidian Sounds shows ads.

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

GSDSP Quantum Delay Lite ships an update every 6 weeks, and Obsidian Sounds monthly. Most recently, GSDSP Quantum Delay Lite was updated on October 25, 2026 and Obsidian Sounds on October 13, 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.*