# AO Surgery Reference vs Fracture Classification (FC)

The clearest difference is update cadence: Fracture Classification (FC) at every 2 months against AO Surgery Reference's every 6 months. Fracture Classification (FC) also leads on review sentiment (100% vs 86%) and iOS requirement (8.0 vs 13.0). AO Surgery Reference's advantage is ratings volume (14 vs 4). On price, rating, 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 Surgery Reference holds the better App Store score, 4.4 against 4.3. Both are backed by a comparable volume of ratings — 14 and 4 respectively. Written reviews complicate that: 86% of AO Surgery Reference's written reviews are positive against 100% of Fracture Classification (FC)'s, so the app with the better star average is not the one people write more warmly about.

AO Surgery Reference ships an update every 6 months, Fracture Classification (FC) every 2 months. Both last shipped on November 1, 2026.

## The numbers

| Metric | AO Surgery Reference | Fracture Classification (FC) |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (14 ratings)](https://appshunter.io/ios/app/ao-surgery-reference/id403961165/reviews)** | [4.3 (4 ratings)](https://appshunter.io/ios/app/fracture-classification-fc/id1029701247/reviews) |
| Number of ratings | **14** | 4 |
| Positive reviews | 85.8% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 2 months** |
| Monetization | Free | Free |
| Size | 1 MB | 48 MB |
| Requires iOS | 13.0 | **8.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 17+ |
| Developer | [AO Foundation](https://appshunter.io/developer/399757056) | [Arthros Consulting LLC](https://appshunter.io/developer/1029701246) |

## 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


### Fracture Classification (FC)

[App page](https://appshunter.io/ios/app/fracture-classification-fc/id1029701247)

This medical reference tool provides quick access to various traumatology classification systems. It offers offline content for on-the-go use, including adult and pediatric sections, surgical approaches, and helpful medical calculators.

**Highlights:** Offline classification systems, Adult & Pediatric Traumatology, Surgical Approaches, Medical Calculators, Online Videos, Logbook

**Features:** macOS Compatibility

**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 Fracture Classification (FC) free?

Fracture Classification (FC) is free to download, with no in-app purchases.

### Which has better reviews, AO Surgery Reference or Fracture Classification (FC)?

AO Surgery Reference is rated higher. AO Surgery Reference averages 4.4 out of 5 from 14 ratings, while Fracture Classification (FC) averages 4.3 from 4 ratings.

### Do AO Surgery Reference or Fracture Classification (FC) have ads?

Neither AO Surgery Reference nor Fracture Classification (FC) shows ads.

### Which is updated more often, AO Surgery Reference or Fracture Classification (FC)?

AO Surgery Reference ships an update every 6 months, and Fracture Classification (FC) every 2 months. Most recently, AO Surgery Reference was updated on November 1, 2026 and Fracture Classification (FC) on November 1, 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.*