# DRU Classification vs Orthopedic Examination Lite

The clearest difference is ads: DRU Classification at none against Orthopedic Examination Lite's shown. DRU Classification also leads on iOS requirement (12.0 vs 14.0). Orthopedic Examination Lite's advantage is update cadence (every 5 weeks vs every 29 months). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

DRU Classification ships an update every 29 months, Orthopedic Examination Lite every 5 weeks. The most recent releases landed on September 13, 2026 and September 14, 2026 respectively.

## The numbers

| Metric | DRU Classification | Orthopedic Examination Lite |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/orthopedic-examination-lite/id6443796953/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 29 months | **Every 5 weeks** |
| Monetization | — | Ad-supported |
| Size | 28 MB | 20 MB |
| Requires iOS | **12.0** | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Department of Orthopaedics and Traumatology, The University of Hong Kong](https://appshunter.io/developer/1208011315) | [Ahmad Al Hariri](https://appshunter.io/developer/1648019898) |

## What reviewers say

### DRU Classification

[App page](https://appshunter.io/ios/app/dru-classification/id1208011316)

**Features:** macOS Compatibility

**In-app purchases:** none


### Orthopedic Examination Lite

[App page](https://appshunter.io/ios/app/orthopedic-examination-lite/id6443796953)

This app provides a comprehensive guide to special orthopedic tests for surgeons and residents. It details the purpose, performance, positive indicators, sensitivity, specificity, source, and images for each test across various body regions. A free version with ads is available, with a pro version offering an ad-free experience and more features.

**Highlights:** Special orthopedic tests, Tests for shoulder, elbow, wrist, hand, hip, knee, ankle, foot, Purpose, performance, and positive indicators, Sensitivity & specificity data, Test images, Categorized by region and type

**In-app purchases:** none


## Frequently asked questions

### Is DRU Classification free?

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

### Is Orthopedic Examination Lite free?

Orthopedic Examination Lite is free to download, with no in-app purchases.

### Do DRU Classification or Orthopedic Examination Lite have ads?

Orthopedic Examination Lite shows ads; DRU Classification does not.

### Which is updated more often, DRU Classification or Orthopedic Examination Lite?

DRU Classification ships an update every 29 months, and Orthopedic Examination Lite every 5 weeks. Most recently, DRU Classification was updated on September 13, 2026 and Orthopedic Examination Lite on September 14, 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.*