# AO Surgery Reference

> Medical

Canonical page: [https://chrome-stats.com/d/id403961165](https://chrome-stats.com/d/id403961165)

## Overview

- **ID:** `id403961165`
- **Platform:** Apple
- **Type:** Apple app
- **Status:** Available
- **Publisher:** AO Foundation
- **Category:** Medical
- **Rating:** 4.40 / 5 (14 ratings)
- **Version:** 4.1.1
- **Last updated:** 2025-05-22
- **First published:** 2010-11-19
- **Size:** 518 KB
- **Data as of:** 2026-09-18
- **Store listing:** [Apple App Store](https://apps.apple.com/us/app/ao-surgery-reference/id403961165)
- **Website:** [https://www.aofoundation.org/our-services-and-resources/ao-surgery-reference](https://www.aofoundation.org/our-services-and-resources/ao-surgery-reference)
- **Privacy policy:** [https://media.aofoundation.org/-/media/project/aocd/shared/ao\_data\_privacy\_notice.pdf?rev=86a9497d2eae4b9797885dc35cff3da2](https://media.aofoundation.org/-/media/project/aocd/shared/ao_data_privacy_notice.pdf?rev=86a9497d2eae4b9797885dc35cff3da2)

## Description

QUICK ONLINE REFERENCE IN CLINICAL LIFE
 
Gain easy access to the award-winning AO Surgery Reference. AO Surgery Reference is an online repository for surgical knowledge. It describes the complete surgical management process from diagnosis to aftercare for all fractures of a given anatomical region, and also assembles relevant material that the AO has published before. It gives access to:
 
• aid in surgical decision making for 353 fracture types
• 172 approaches
• 1222 surgical procedures
• all richly illustrated with more than 30'000 Illustrations
 
and much more.
 
To ensure the quality of the content, it is authored, edited, and peer reviewed by experienced AO Faculty from all over the world, some of which are also well-known textbook authors/editors.

This is a relaunch of the AO Surgery Reference app utilizing the same responsive user interface that was released February 2020.

The highlights are:
• Consistent navigational logic and user experience on all screen sizes
• Inclusion of feline, canine, and equine fracture care
• Combination of Preparation – Approach – Reduction and Fixation – Aftercare into one step called treatment.
• Introduction of a powerful search function, allowing simplifications of the user interface as it replaces previous shortcuts.

## Rankings

- #292,346 — Overall
- #40 — reference

## Review summary

AO Surgery Reference is a free, highly practical reference for orthopedic and maxillofacial procedures. Users praise its quick, concise, well-illustrated content and usefulness in the operating room and for students. However, common downsides include incomplete coverage, lack of offline access, limited iPad support, and occasional stability issues. Users also want more updates and expanded modules (hand, mandible, skull base). Overall, strong value with notable room for expansion.

### Pros

- Very useful reference for orthopedic and maxillofacial surgical approaches, including long bone and facial fractures.
- Free to use, offering substantial value at no cost.
- Concise, well-illustrated content that's quick to consult for quick reviews or pre-case prep.
- Highly educational for students and residents, with detailed procedural content.
- Broad, practical content that is helpful for planning and teaching across topics.

### Cons

- Incomplete coverage with missing chapters/categories (e.g., pelvic ring, upper limb, mandible, skull base) and ongoing content gaps.
- Lack of offline access/download and reliance on online connectivity.
- Not fully optimized for iPad; users request an iPad version.
- Occasional stability/startup issues such as blank screens on launch or after updates.
- Requests for more frequent updates and expanded modules (e.g., hand module, additional categories).

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Source: [Chrome-Stats](https://chrome-stats.com/d/id403961165)