# ab Astrometry X vs TETSUO

The clearest difference is price: TETSUO at $9.99 against ab Astrometry X's $12.99. ab Astrometry X's advantage is ratings volume (6 vs 2) and iOS requirement (12.0 vs 15.6). On rating, review sentiment, ads and in-app purchases there is nothing between them.

ab Astrometry X costs $12.99 and TETSUO $9.99 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 — 5.0 for ab Astrometry X against 5.0 for TETSUO. Both are backed by a comparable volume of ratings — 6 and 2 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

## The numbers

| Metric | ab Astrometry X | TETSUO |
| --- | --- | --- |
| Price | $12.99 | **$9.99** |
| Rating | [5.0 (6 ratings)](https://appshunter.io/ios/app/ab-astrometry-x/id6477390551/reviews) | [5.0 (2 ratings)](https://appshunter.io/ios/app/tetsuo/id6786673685/reviews) |
| Number of ratings | **6** | 2 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 7 months | — |
| Monetization | Paid | Paid |
| Size | 9 MB | 29 MB |
| Requires iOS | **12.0** | 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 Astrometry X

[App page](https://appshunter.io/ios/app/ab-astrometry-x/id6477390551)

This advanced audio effect offers dynamic multitap delay with randomized tap positioning around the listener. Control tap viscosity, time, and loudness intuitively via an XY pad. Create custom delay lines by syncing to your DAW or using free time, in serial or parallel modes.

**Highlights:** Random tap positioning, Viscosity, Time, and Loudness control, Intuitive XY Pad design, DAW sync or free time, Serial or parallel mode

**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 Astrometry X free?

ab Astrometry 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 Astrometry X or TETSUO?

ab Astrometry X and TETSUO are both rated 5.0 out of 5 on the App Store, from 6 and 2 ratings respectively.

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

Neither ab Astrometry X nor TETSUO shows ads.

---

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