# ab vortEx X vs OttavaBassa

The clearest difference is price: OttavaBassa at $3.99 against ab vortEx X's $12.99. ab vortEx X's advantage is iOS requirement (11 vs 13.0). On ads, in-app purchases and device support there is nothing between them.

ab vortEx X costs $12.99 and OttavaBassa $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | ab vortEx X | OttavaBassa |
| --- | --- | --- |
| Price | $12.99 | **$3.99** |
| Rating | **[4.6 (8 ratings)](https://appshunter.io/ios/app/ab-vortex-x/id1660941137/reviews)** | — |
| Number of ratings | **8** | — |
| Positive reviews | 87.5% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | — |
| Monetization | Paid | — |
| Size | 7 MB | 18 MB |
| Requires iOS | **11** | 13.0 |
| 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


### OttavaBassa

[App page](https://appshunter.io/ios/app/ottavabassa/id6803481561)

**In-app purchases:** none


## Frequently asked questions

### Is ab vortEx X free?

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

### Is OttavaBassa free?

OttavaBassa costs $3.99, with no in-app purchases.

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

Neither ab vortEx X nor OttavaBassa shows ads.

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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.*