# ab vortEx X vs PhaseII

The clearest difference is price: PhaseII at $1.99 against ab vortEx X's $12.99. PhaseII also leads on rating (5.0 vs 4.6) and update cadence (every 9 days vs every 2 months). ab vortEx X's advantage is ratings volume (8 vs 2). On ads, in-app purchases, monetization model and device support there is nothing between them.

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

PhaseII holds the better App Store score, 5.0 against 4.6. Both are backed by a comparable volume of ratings — 8 and 2 respectively. Written reviews point the same way: 88% of ab vortEx X's written reviews are positive against 100% of PhaseII's.

ab vortEx X ships an update every 2 months, PhaseII every 9 days. The most recent releases landed on September 24, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | ab vortEx X | PhaseII |
| --- | --- | --- |
| Price | $12.99 | **$1.99** |
| Rating | [4.6 (8 ratings)](https://appshunter.io/ios/app/ab-vortex-x/id1660941137/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/phaseii/id6751580786/reviews)** |
| Number of ratings | **8** | 2 |
| Positive reviews | 87.5% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 9 days** |
| Monetization | Paid | Paid |
| Size | 7 MB | 13 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


### PhaseII

[App page](https://appshunter.io/ios/app/phaseii/id6751580786)

This audio effect plugin offers a dual stereo phaser with a vintage sound. It allows for independent phasing engines in parallel or series, with selectable modes for subtle to extreme effects. Controls include rate, depth, width, drive, and mix for versatile sound shaping.

**Highlights:** Dual stereo phasing engines, Parallel and series processing modes, Selectable effect modes (subtle to extreme), Adjustable rate, depth, and width, Optional drive for analog warmth, Soft limiting to prevent clipping, Mix control for wet/dry balance

**In-app purchases:** none


## Frequently asked questions

### Is ab vortEx X free?

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

### Is PhaseII free?

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

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

PhaseII is rated higher. ab vortEx X averages 4.6 out of 5 from 8 ratings, while PhaseII averages 5.0 from 2 ratings.

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

Neither ab vortEx X nor PhaseII shows ads.

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

ab vortEx X ships an update every 2 months, and PhaseII every 9 days. Most recently, ab vortEx X was updated on September 24, 2026 and PhaseII on October 15, 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.*