# GSDSP Quantum Delay vs KA mini DiZi

The clearest difference is price: KA mini DiZi at $1.99 against GSDSP Quantum Delay's $14.99. KA mini DiZi also leads on update cadence (every 4 days vs every 5 weeks) and rating (5.0 vs 4.8). On review sentiment, ratings volume, ads and in-app purchases there is nothing between them.

GSDSP Quantum Delay costs $14.99 and KA mini DiZi $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

KA mini DiZi holds the better App Store score, 5.0 against 4.8. Both are backed by a comparable volume of ratings — 17 and 6 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

GSDSP Quantum Delay ships an update every 5 weeks, KA mini DiZi every 4 days. The most recent releases landed on September 22, 2026 and August 15, 2026 respectively.

## The numbers

| Metric | GSDSP Quantum Delay | KA mini DiZi |
| --- | --- | --- |
| Price | $14.99 | **$1.99** |
| Rating | [4.8 (17 ratings)](https://appshunter.io/ios/app/gsdsp-quantum-delay/id6469328297/reviews) | **[5.0 (6 ratings)](https://appshunter.io/ios/app/ka-mini-dizi/id6478074079/reviews)** |
| Number of ratings | **17** | 6 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 4 days** |
| Monetization | Paid | Paid |
| Size | 94 MB | 27 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Gustav Scholda](https://appshunter.io/developer/1642323227) | [SHANTOU KONG AUDIO SOFTWARE TECHNOLOGY CO.,LTD.](https://appshunter.io/developer/956078324) |

## 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


### KA mini DiZi

[App page](https://appshunter.io/ios/app/ka-mini-dizi/id6478074079)

This app offers a virtual Chinese DiZi instrument with a minimalist design. It provides a high-quality sound experience for electric wind instrument and MIDI keyboard users through simple UI controls. It functions as both a standalone app and an AUv3 plugin.

**Highlights:** Virtual Chinese DiZi instrument, Minimalist UI design, High-quality sound experience, AUv3 plugin support, Standalone app functionality

**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 KA mini DiZi free?

KA mini DiZi costs $1.99, with no in-app purchases.

### Which has better reviews, GSDSP Quantum Delay or KA mini DiZi?

KA mini DiZi is rated higher. GSDSP Quantum Delay averages 4.8 out of 5 from 17 ratings, while KA mini DiZi averages 5.0 from 6 ratings.

### Do GSDSP Quantum Delay or KA mini DiZi have ads?

Neither GSDSP Quantum Delay nor KA mini DiZi shows ads.

### Which is updated more often, GSDSP Quantum Delay or KA mini DiZi?

GSDSP Quantum Delay ships an update every 5 weeks, and KA mini DiZi every 4 days. Most recently, GSDSP Quantum Delay was updated on September 22, 2026 and KA mini DiZi on August 15, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*