# AO Surgery Reference vs Orthopedic Surgery Approaches

The clearest difference is price: AO Surgery Reference at Free against Orthopedic Surgery Approaches's $12.99. Orthopedic Surgery Approaches's advantage is update cadence (every 2 months vs every 6 months). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

AO Surgery Reference is free to download; Orthopedic Surgery Approaches costs $12.99 up front. Neither carries in-app purchases, so what you see is what you pay.

AO Surgery Reference ships an update every 6 months, Orthopedic Surgery Approaches every 2 months. The most recent releases landed on October 23, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | AO Surgery Reference | Orthopedic Surgery Approaches |
| --- | --- | --- |
| Price | **Free** | $12.99 |
| Rating | **[4.4 (14 ratings)](https://appshunter.io/ios/app/ao-surgery-reference/id403961165/reviews)** | — |
| Number of ratings | **14** | — |
| Positive reviews | 85.8% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 2 months** |
| Monetization | Free | — |
| Size | 1 MB | 77 MB |
| Requires iOS | **13.0** | 14.0 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 17+ | 17+ |
| Developer | [AO Foundation](https://appshunter.io/developer/399757056) | [Ahmad Al Hariri](https://appshunter.io/developer/1648019898) |

## What reviewers say

### AO Surgery Reference

[App page](https://appshunter.io/ios/app/ao-surgery-reference/id403961165)

Access a comprehensive online repository of surgical knowledge for fracture management. It provides detailed guidance on diagnosis, treatment, and aftercare for numerous fracture types, supported by extensive illustrations and expert review.

**Highlights:** 353 fracture types covered, 172 surgical approaches, 1222 surgical procedures, Over 30,000 illustrations, Feline, canine, and equine fracture care, Powerful search function

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

**In-app purchases:** none


### Orthopedic Surgery Approaches

[App page](https://appshunter.io/ios/app/orthopedic-surgery-approaches/id6443848137)

**In-app purchases:** none


## Frequently asked questions

### Is AO Surgery Reference free?

AO Surgery Reference is free to download, with no in-app purchases.

### Is Orthopedic Surgery Approaches free?

Orthopedic Surgery Approaches costs $12.99, with no in-app purchases.

### Do AO Surgery Reference or Orthopedic Surgery Approaches have ads?

Neither AO Surgery Reference nor Orthopedic Surgery Approaches shows ads.

### Which is updated more often, AO Surgery Reference or Orthopedic Surgery Approaches?

AO Surgery Reference ships an update every 6 months, and Orthopedic Surgery Approaches every 2 months. Most recently, AO Surgery Reference was updated on October 23, 2026 and Orthopedic Surgery Approaches on October 25, 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.*