# CST Practice Test Prep vs ORninja

The clearest difference is in-app purchases: ORninja at none against CST Practice Test Prep's 1. ORninja also leads on review sentiment (21% vs 0%) and rating (2.3 vs 2.0). CST Practice Test Prep's advantage is iOS requirement (9.2 vs 15.0). On price, ads and device support there is nothing between them.

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

ORninja holds the better App Store score, 2.3 against 2.0. That said, the two scores are not equally well evidenced: ORninja has 25 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 0% of CST Practice Test Prep's written reviews are positive against 21% of ORninja's.

## The numbers

| Metric | CST Practice Test Prep | ORninja |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.0 (1 ratings)](https://appshunter.io/ios/app/cst-practice-test-prep/id1468089902/reviews) | **[2.3 (25 ratings)](https://appshunter.io/ios/app/orninja/id1589161502/reviews)** |
| Number of ratings | 1 | **25** |
| Positive reviews | 0.0% of reviews | **21.4% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | — | Fortnightly |
| Monetization | Free with in-app purchases | **Free** |
| Size | 6 MB | 51 MB |
| Requires iOS | **9.2** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [MOON MOUNTAIN INC](https://appshunter.io/developer/1555760990) | [Ninja Solutions Incorporated](https://appshunter.io/developer/1589161504) |

## What reviewers say

### CST Practice Test Prep

[App page](https://appshunter.io/ios/app/cst-practice-test-prep/id1468089902)

Prepare for your Certified Surgical Technician exam with over 500 practice questions. This app uses a proprietary learning strategy called "chunking" to help you study and memorize information effectively. A limited number of questions are available for free daily.

**Highlights:** Over 500 practice questions, Proprietary Effective Learning Strategy (ELS™), Chunking technique for memorization, Daily free questions, Pass or its free guarantee

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| CST Practice Test Premium | $14.99 | one-time |


### 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


## Frequently asked questions

### Is CST Practice Test Prep free?

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

### Is ORninja free?

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

### Which has better reviews, CST Practice Test Prep or ORninja?

ORninja is rated higher. CST Practice Test Prep averages 2.0 out of 5 from 1 ratings, while ORninja averages 2.3 from 25 ratings.

### Do CST Practice Test Prep or ORninja have ads?

Neither CST Practice Test Prep nor ORninja shows ads.

---

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