# ARiRA vs Corpus 4AR

The clearest difference is in-app purchases: Corpus 4AR at none against ARiRA's 1. ARiRA's advantage is iOS requirement (15.1 vs 17.0). On price there is nothing between them.

Both are free to download. ARiRA sells 1 one-off in-app purchase. Corpus 4AR asks for nothing beyond the download.

## The numbers

| Metric | ARiRA | Corpus 4AR |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | — | No |
| Monetization | Free | — |
| Size | 443 MB | 34 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | — | **iPhone** |
| Age rating | 4+ | 4+ |
| Developer | [ARIRA LTD](https://appshunter.io/developer/1810188015) | [Artem Bulatov](https://appshunter.io/developer/1895273575) |

## What reviewers say

### ARiRA

[App page](https://appshunter.io/ios/app/arira/id6744964328)

This medical learning platform uses immersive technologies to teach ultrasound-guided nerve blocks. It offers interactive 3D anatomy, augmented reality guidance, and real ultrasound footage for hands-on training. Ideal for medical professionals and trainees seeking to enhance their practical skills.

**Highlights:** Interactive 3D anatomy models, Augmented reality probe and needle guide, Glide-View mode for anatomy visualization, Mobile probe control with real ultrasound clips, High-resolution cadaveric images, Sono-anatomy with real ultrasound scans, CPD certificates for professional development

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ARiRA - Individual Plan | $129.99 | one-time |


### Corpus 4AR

[App page](https://appshunter.io/ios/app/corpus-4ar/id6763343639)

**In-app purchases:** none


## Frequently asked questions

### Is ARiRA free?

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

### Is Corpus 4AR free?

Corpus 4AR is free to download, with no in-app purchases.

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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.*