# ORninja vs Surgical Technologist CST Prep

The clearest difference is rating: Surgical Technologist CST Prep at 5.0 against ORninja's 2.3. ORninja's advantage is in-app purchases (none vs 2) and update cadence (fortnightly vs every 12 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Surgical Technologist CST Prep sells 2 in-app purchases, starting at $9.99 per month. ORninja asks for nothing beyond the download.

Surgical Technologist CST Prep holds the better App Store score, 5.0 against 2.3. That said, the two scores are not equally well evidenced: ORninja has 25 ratings behind it against 5, so its average is the more settled of the two.

ORninja ships an update fortnightly, Surgical Technologist CST Prep every 12 months. The most recent releases landed on November 3, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | ORninja | Surgical Technologist CST Prep |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.3 (25 ratings)](https://appshunter.io/ios/app/orninja/id1589161502/reviews) | **[5.0 (5 ratings)](https://appshunter.io/ios/app/surgical-technologist-cst-prep/id6473753856/reviews)** |
| Number of ratings | **25** | 5 |
| Positive reviews | 21.4% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 12 months |
| Monetization | **Free** | Free with in-app purchases |
| Size | 51 MB | 9 MB |
| Requires iOS | 15.0 | **14.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 12+ | 17+ |
| Developer | [Ninja Solutions Incorporated](https://appshunter.io/developer/1589161504) | [FLUENT AAC TECHNOLOGY S.R.L.](https://appshunter.io/developer/1547000580) |

## 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


### Surgical Technologist CST Prep

[App page](https://appshunter.io/ios/app/surgical-technologist-cst-prep/id6473753856)

Prepare for the AST CST exam with over 3000 practice questions and flashcards. Master key areas like surgical procedures, sterilization, and patient safety. This app aims to make studying engaging and effective for aspiring surgical technologists.

**Highlights:** 3000+ exam-like questions, 1000+ flashcards, Multiple practice tests, Covers all exam areas, Real-life scenarios, Engaging study methods

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1-Month Premium | $9.99 | per month |
| 1-Month Premium | $24.99 | per month |


## Frequently asked questions

### Is ORninja free?

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

### Is Surgical Technologist CST Prep free?

Surgical Technologist CST Prep is free to download, with in-app purchases available.

### Which has better reviews, ORninja or Surgical Technologist CST Prep?

Surgical Technologist CST Prep is rated higher. ORninja averages 2.3 out of 5 from 25 ratings, while Surgical Technologist CST Prep averages 5.0 from 5 ratings.

### Do ORninja or Surgical Technologist CST Prep have ads?

Neither ORninja nor Surgical Technologist CST Prep shows ads.

### Which is updated more often, ORninja or Surgical Technologist CST Prep?

ORninja ships an update fortnightly, and Surgical Technologist CST Prep every 12 months. Most recently, ORninja was updated on November 3, 2026 and Surgical Technologist CST Prep on November 4, 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.*