# ab Astrometry X vs Sonidata

The clearest difference is price: Sonidata at Free against ab Astrometry X's $12.99. Sonidata also leads on update cadence (every 3 days vs every 7 months). ab Astrometry X's advantage is rating (5.0 vs 4.0) and in-app purchases (none vs 1). On review sentiment, ads and device support there is nothing between them.

Sonidata is free to download; ab Astrometry X costs $12.99 up front. Sonidata sells 1 one-off in-app purchase. ab Astrometry X asks for nothing beyond the download.

ab Astrometry X holds the better App Store score, 5.0 against 4.0. That said, the two scores are not equally well evidenced: ab Astrometry X has 6 ratings behind it against 1, so its average is the more settled of the two. Written reviews split almost evenly too, at 100% and 100% positive.

ab Astrometry X ships an update every 7 months, Sonidata every 3 days. Both last shipped on October 24, 2026.

## The numbers

| Metric | ab Astrometry X | Sonidata |
| --- | --- | --- |
| Price | $12.99 | **Free** |
| Rating | **[5.0 (6 ratings)](https://appshunter.io/ios/app/ab-astrometry-x/id6477390551/reviews)** | [4.0 (1 ratings)](https://appshunter.io/ios/app/sonidata/id6478503563/reviews) |
| Number of ratings | **6** | 1 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 3 days** |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 9 MB | 40 MB |
| Requires iOS | **12.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Alejandro Cabrera Zuniga](https://appshunter.io/developer/1660382836) | [Gaston Ibarroule](https://appshunter.io/developer/1733043491) |

## 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


### Sonidata

[App page](https://appshunter.io/ios/app/sonidata/id6478503563)

Capture and organize professional audio archives on the go. This app allows for precise tagging, advanced routing, and seamless cloud syncing for sound designers and field recordists. It ensures your audio is studio-ready the moment you capture it.

**Highlights:** Broadcast-standard WAV recording, UCS v8.2 metadata tagging, Advanced audio routing, Live waveform metering, Cloud sync (iCloud, Google Drive, Dropbox), Batch editing and export, Siri and Shortcuts integration

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Sonidata Pro | $24.99 | one-time |


## Frequently asked questions

### Is ab Astrometry X free?

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

### Is Sonidata free?

Sonidata is free to download, with in-app purchases available.

### Which has better reviews, ab Astrometry X or Sonidata?

ab Astrometry X is rated higher. ab Astrometry X averages 5.0 out of 5 from 6 ratings, while Sonidata averages 4.0 from 1 ratings.

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

Neither ab Astrometry X nor Sonidata shows ads.

### Which is updated more often, ab Astrometry X or Sonidata?

ab Astrometry X ships an update every 7 months, and Sonidata every 3 days. Most recently, ab Astrometry X was updated on October 24, 2026 and Sonidata on October 24, 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.*