# ab vortEx X vs TETSUO

The clearest difference is rating: TETSUO at 5.0 against ab vortEx X's 4.6. TETSUO also leads on price ($9.99 vs $12.99) and review sentiment (100% vs 88%). ab vortEx X's advantage is ratings volume (8 vs 1) and iOS requirement (11 vs 15.6). On ads, in-app purchases, monetization model and device support there is nothing between them.

ab vortEx X costs $12.99 and TETSUO $9.99 up front. Neither carries in-app purchases, so what you see is what you pay.

TETSUO holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: ab vortEx X has 8 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 88% of ab vortEx X's written reviews are positive against 100% of TETSUO's.

## The numbers

| Metric | ab vortEx X | TETSUO |
| --- | --- | --- |
| Price | $12.99 | **$9.99** |
| Rating | [4.6 (8 ratings)](https://appshunter.io/ios/app/ab-vortex-x/id1660941137/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/tetsuo/id6786673685/reviews)** |
| Number of ratings | **8** | 1 |
| Positive reviews | 87.5% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | — |
| Monetization | Paid | Paid |
| Size | 7 MB | 29 MB |
| Requires iOS | **11** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Alejandro Cabrera Zuniga](https://appshunter.io/developer/1660382836) | [Anthony Moran](https://appshunter.io/developer/6786293116) |

## 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


### TETSUO

[App page](https://appshunter.io/ios/app/tetsuo/id6786673685)

This app offers a unique, generative percussion experience with no pre-loaded samples. It features a complex sound engine and a dynamic sequencer that can be unpredictable, allowing for negotiation rather than direct programming. Create and save evolving soundscapes with its section-based recording system.

**Highlights:** Chaotic percussion engine, No samples or library, Resonant filter and bitcrusher, Dynamic 16-slot sequencer, Randomized hit skipping, Section-based sound recording, AUv3 and standalone support

**In-app purchases:** none


## Frequently asked questions

### Is ab vortEx X free?

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

### Is TETSUO free?

TETSUO costs $9.99, with no in-app purchases.

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

TETSUO is rated higher. ab vortEx X averages 4.6 out of 5 from 8 ratings, while TETSUO averages 5.0 from 1 ratings.

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

Neither ab vortEx X nor TETSUO 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.*