# AO Trauma Orthogeriatrics vs DRU Classification

The clearest difference is iOS requirement: DRU Classification at 12.0 against AO Trauma Orthogeriatrics's 16.0. On price, update cadence, ads and in-app purchases there is nothing between them.

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

AO Trauma Orthogeriatrics ships an update every 16 months, DRU Classification every 29 months. The most recent releases landed on November 1, 2026 and November 2, 2026 respectively.

## The numbers

| Metric | AO Trauma Orthogeriatrics | DRU Classification |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/ao-trauma-orthogeriatrics/id903074010/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 16 months** | Every 29 months |
| Monetization | Free | — |
| Size | 2 MB | 28 MB |
| Requires iOS | 16.0 | **12.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 17+ | 17+ |
| Developer | [AO Foundation](https://appshunter.io/developer/399757056) | [Department of Orthopaedics and Traumatology, The University of Hong Kong](https://appshunter.io/developer/1208011315) |

## What reviewers say

### AO Trauma Orthogeriatrics

[App page](https://appshunter.io/ios/app/ao-trauma-orthogeriatrics/id903074010)

This educational tool helps healthcare professionals manage older adults with fragility fractures. It covers key medical areas like osteoporosis, delirium, anticoagulation, and perioperative pain through decision pathways.

**Highlights:** Educational tool for healthcare professionals, Manages older adults with fragility fractures, Covers osteoporosis, delirium, anticoagulation, and pain, Decision pathway format, For surgeons and surgical trainees

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

**In-app purchases:** none


### DRU Classification

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

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is AO Trauma Orthogeriatrics free?

AO Trauma Orthogeriatrics is free to download, with no in-app purchases.

### Is DRU Classification free?

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

### Do AO Trauma Orthogeriatrics or DRU Classification have ads?

Neither AO Trauma Orthogeriatrics nor DRU Classification shows ads.

### Which is updated more often, AO Trauma Orthogeriatrics or DRU Classification?

AO Trauma Orthogeriatrics ships an update every 16 months, and DRU Classification every 29 months. Most recently, AO Trauma Orthogeriatrics was updated on November 1, 2026 and DRU Classification on November 2, 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.*