# ORninja vs CST Practice Test

The clearest difference is in-app purchases: ORninja at none against CST Practice Test's 1. ORninja also leads on device support. CST Practice Test's advantage is iOS requirement (13.0 vs 15.0). On price there is nothing between them.

Both are free to download. CST Practice Test sells 1 one-off in-app purchase. ORninja asks for nothing beyond the download.

## The numbers

| Metric | ORninja | CST Practice Test |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.3 (25 ratings)](https://appshunter.io/ios/app/orninja/id1589161502/reviews)** | — |
| Number of ratings | **25** | — |
| Positive reviews | 21.4% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | — |
| Update frequency | Fortnightly | — |
| Monetization | Free | — |
| Size | 51 MB | 17 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | **iPhone, iPad, iPod** | — |
| Age rating | 12+ | 4+ |
| Developer | [Ninja Solutions Incorporated](https://appshunter.io/developer/1589161504) | [iAPPSSTUDIO](https://appshunter.io/developer/1830642259) |

## What reviewers say

### ORninja

[App page](https://appshunter.io/ios/app/orninja/id1589161502)

This app provides a digital library of surgical instruments for training operating room support staff. It allows users to learn instrument names and functions at their own pace, and virtually assemble instrument trays for surgical procedures.

**Highlights:** Digital library of surgical instruments, Learn instrument names and functions, Virtual instrument tray assembly, Self-paced learning, Training for OR support staff

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### CST Practice Test

[App page](https://appshunter.io/ios/app/cst-practice-test-scrub-tech/id6770467008)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Get Lifetime Access | $7.99 | one-time |


## Frequently asked questions

### Is ORninja free?

ORninja is free to download, with no in-app purchases.

### Is CST Practice Test free?

CST Practice Test is free to download, with in-app purchases available.

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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.*