# ab vortEx X vs QuaDelay

ab vortEx X and QuaDelay both sit at 4.6 stars, but that hides the real split: 88% of ab vortEx X's written reviews are positive against 0% of QuaDelay's. QuaDelay's advantage is price ($1.99 vs $12.99) and update cadence (every 3 days vs every 2 months). On rating, ratings volume, ads and in-app purchases there is nothing between them.

ab vortEx X costs $12.99 and QuaDelay $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 4.6 for ab vortEx X against 4.7 for QuaDelay. Both are backed by a comparable volume of ratings — 8 and 6 respectively. Written reviews are what separate them: 88% of ab vortEx X's written reviews are positive against 0% of QuaDelay's.

ab vortEx X ships an update every 2 months, QuaDelay every 3 days. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | ab vortEx X | QuaDelay |
| --- | --- | --- |
| Price | $12.99 | **$1.99** |
| Rating | [4.6 (8 ratings)](https://appshunter.io/ios/app/ab-vortex-x/id1660941137/reviews) | **[4.7 (6 ratings)](https://appshunter.io/ios/app/quadelay/id6744034081/reviews)** |
| Number of ratings | **8** | 6 |
| Positive reviews | **87.5% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 days** |
| Monetization | Paid | Paid |
| Size | 7 MB | 12 MB |
| Requires iOS | **11** | 12.0 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Alejandro Cabrera Zuniga](https://appshunter.io/developer/1660382836) | [Rob Jackson](https://appshunter.io/developer/1072346998) |

## What reviewers say

### ab vortEx X

[App page](https://appshunter.io/ios/app/ab-vortex-x/id1660941137)

This app is a stereo-only abstract spacetime designer for creating unique reverberations. It functions as an AUv3 plugin for compatible iOS hosts or as a standalone application, offering control over sound reflection spread.

**Highlights:** Stereo-only spatial audio algorithms, AUv3 plugin compatibility, Standalone application mode, Touch screen interface, Control over sound reflection spread, Space, Time, Viscosity, Volumes controls

**Features:** Vision Pro support

**In-app purchases:** none


### QuaDelay

[App page](https://appshunter.io/ios/app/quadelay/id6744034081)

This audio effect plugin creates unique stereo delay soundscapes using four independent delay lines. It offers advanced control over delay times, regeneration, modulation, and filtering for ambient and experimental audio textures. It can be used standalone or within compatible host applications.

**Highlights:** Four independent stereo delay lines, Adjustable delay times and ratios, Variable regeneration (feedback), Stereo modulation effect, Low-pass filter for repeats, Integrated reverb effect, Standalone and AUv3 compatible

**In-app purchases:** none


## Frequently asked questions

### Is ab vortEx X free?

ab vortEx X costs $12.99, with no in-app purchases.

### Is QuaDelay free?

QuaDelay costs $1.99, with no in-app purchases.

### Which has better reviews, ab vortEx X or QuaDelay?

QuaDelay is rated higher. ab vortEx X averages 4.6 out of 5 from 8 ratings, while QuaDelay averages 4.7 from 6 ratings.

### Do ab vortEx X or QuaDelay have ads?

Neither ab vortEx X nor QuaDelay shows ads.

### Which is updated more often, ab vortEx X or QuaDelay?

ab vortEx X ships an update every 2 months, and QuaDelay every 3 days. Most recently, ab vortEx X was updated on November 3, 2026 and QuaDelay on October 30, 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.*