# AO Surgery Reference vs Pediatric Airway Reference

The clearest difference is in-app purchases: AO Surgery Reference at none against Pediatric Airway Reference's 3. AO Surgery Reference also leads on device support (3 vs 1) and iOS requirement (13.0 vs 17.6). On price and ads there is nothing between them.

Both are free to download. Pediatric Airway Reference sells 3 one-off in-app purchases. AO Surgery Reference asks for nothing beyond the download.

## The numbers

| Metric | AO Surgery Reference | Pediatric Airway Reference |
| --- | --- | --- |
| Price | Free | Free |
| 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** | Yes |
| Ads | No | No |
| Update frequency | Every 6 months | — |
| Monetization | Free | — |
| Size | 1 MB | 30 MB |
| Requires iOS | **13.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 17+ | 17+ |
| Developer | [AO Foundation](https://appshunter.io/developer/399757056) | [Christopher Puchi](https://appshunter.io/developer/1892906839) |

## 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


### Pediatric Airway Reference

[App page](https://appshunter.io/ios/app/pediatric-airway-reference/id6762100504)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Buy Me a Coffee | $2.99 | one-time |
| Gesture of Support | $9.99 | one-time |
| Generous Support | $24.99 | one-time |


## Frequently asked questions

### Is AO Surgery Reference free?

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

### Is Pediatric Airway Reference free?

Pediatric Airway Reference is free to download, with in-app purchases available.

### Do AO Surgery Reference or Pediatric Airway Reference have ads?

Neither AO Surgery Reference nor Pediatric Airway Reference shows ads.

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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.*