# ORninja vs Sterile Processing Technician

The clearest difference is rating: Sterile Processing Technician at 4.8 against ORninja's 2.3. Sterile Processing Technician also leads on review sentiment (33% vs 21%). ORninja's advantage is in-app purchases (none vs 4) and update cadence (fortnightly vs every 5 months). On price, ratings volume, ads and device support there is nothing between them.

Both are free to download. Sterile Processing Technician sells 4 in-app purchases, starting at $9.99 per 7 days. ORninja asks for nothing beyond the download.

Sterile Processing Technician holds the better App Store score, 4.8 against 2.3. Both are backed by a comparable volume of ratings — 25 and 12 respectively. Written reviews point the same way: 21% of ORninja's written reviews are positive against 33% of Sterile Processing Technician's.

ORninja ships an update fortnightly, Sterile Processing Technician every 5 months. The most recent releases landed on September 22, 2026 and September 12, 2026 respectively.

## The numbers

| Metric | ORninja | Sterile Processing Technician |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.3 (25 ratings)](https://appshunter.io/ios/app/orninja/id1589161502/reviews) | **[4.8 (12 ratings)](https://appshunter.io/ios/app/sterile-processing-technician/id6476984772/reviews)** |
| Number of ratings | **25** | 12 |
| Positive reviews | 21.4% of reviews | **33.3% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 5 months |
| Monetization | **Free** | Free with in-app purchases |
| Size | 51 MB | 88 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 12+ |
| Developer | [Ninja Solutions Incorporated](https://appshunter.io/developer/1589161504) | [Erdem Kara](https://appshunter.io/developer/1015700209) |

## 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


### Sterile Processing Technician

[App page](https://appshunter.io/ios/app/sterile-processing-technician/id6476984772)

Prepare for your Sterile Processing and Distribution Technician Exam with an AI-driven learning platform. Access over 3500 practice questions and realistic mock tests to assess your readiness and master key concepts. Save your progress and stay confident for your exam journey.

**Highlights:** Over 3500 practice questions, AI-driven learning platform, Categorized topics, Realistic mock tests, Progress saving, Up-to-date content

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium - Weekly Subscription | $9.99 | per 7 days |
| Premium - Monthly Subscription | $24.99 | per month |
| Premium-Quarterly Subscription | $49.99 | per 3 months |
| Premium - Yearly Subscription | $99.99 | per year |


## Frequently asked questions

### Is ORninja free?

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

### Is Sterile Processing Technician free?

Sterile Processing Technician is free to download, with in-app purchases available.

### Which has better reviews, ORninja or Sterile Processing Technician?

Sterile Processing Technician is rated higher. ORninja averages 2.3 out of 5 from 25 ratings, while Sterile Processing Technician averages 4.8 from 12 ratings.

### Do ORninja or Sterile Processing Technician have ads?

Neither ORninja nor Sterile Processing Technician shows ads.

### Which is updated more often, ORninja or Sterile Processing Technician?

ORninja ships an update fortnightly, and Sterile Processing Technician every 5 months. Most recently, ORninja was updated on September 22, 2026 and Sterile Processing Technician on September 12, 2026.

---

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