# NCCN Guidelines® vs AORN eBooks

The clearest difference is rating: NCCN Guidelines® at 3.6 against AORN eBooks's 2.0. NCCN Guidelines® also leads on review sentiment (13% vs 0%). On price, ratings volume, update cadence and ads there is nothing between them.

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

NCCN Guidelines® holds the better App Store score, 3.6 against 2.0. Both are backed by a comparable volume of ratings — 24 and 14 respectively. Written reviews point the same way: 13% of NCCN Guidelines®'s written reviews are positive against 0% of AORN eBooks's.

NCCN Guidelines® ships an update every 2 months, AORN eBooks every 3 months. The most recent releases landed on October 29, 2026 and October 23, 2026 respectively.

## The numbers

| Metric | NCCN Guidelines® | AORN eBooks |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.6 (24 ratings)](https://appshunter.io/ios/app/nccn-guidelines/id775500217/reviews)** | [2.0 (14 ratings)](https://appshunter.io/ios/app/aorn-ebooks/id828332966/reviews) |
| Number of ratings | **24** | 14 |
| Positive reviews | **12.5% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 3 months |
| Monetization | Free | Free |
| Size | 168 MB | 42 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [National Comprehensive Cancer Network®](https://appshunter.io/developer/1168594705) | [Association of periOperative Registered Nurses (AORN)](https://appshunter.io/developer/828332969) |

## What reviewers say

### NCCN Guidelines®

[App page](https://appshunter.io/ios/app/nccn-guidelines/id775500217)

This app provides healthcare professionals with convenient access to comprehensive clinical practice guidelines for oncology. It aims to improve the quality and effectiveness of cancer care by offering evidence-based recommendations for diagnosis, treatment, and supportive services.

**Highlights:** Virtual Library of NCCN Guidelines, Oncology clinical practice guidelines, Evidence-based recommendations, Supports cancer care decision-making, Covers 97% of US cancer cases

**Features:** Vision Pro support

**In-app purchases:** none


### AORN eBooks

[App page](https://appshunter.io/ios/app/aorn-ebooks/id828332966)

Access and read essential perioperative nursing practice guides and curriculum materials. Purchase and download eBooks from the AORN website to enhance your knowledge and skills in patient and staff safety within surgical care.

**Highlights:** Read AORN eBooks, Access Guidelines for Perioperative Practice, Study Core Curriculum for RN First Assistant, Purchase eBooks via AORN website, Evidence-based practice resources

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is NCCN Guidelines® free?

NCCN Guidelines® is free to download, with no in-app purchases.

### Is AORN eBooks free?

AORN eBooks is free to download, with no in-app purchases.

### Which has better reviews, NCCN Guidelines® or AORN eBooks?

NCCN Guidelines® is rated higher. NCCN Guidelines® averages 3.6 out of 5 from 24 ratings, while AORN eBooks averages 2.0 from 14 ratings.

### Do NCCN Guidelines® or AORN eBooks have ads?

Neither NCCN Guidelines® nor AORN eBooks shows ads.

### Which is updated more often, NCCN Guidelines® or AORN eBooks?

NCCN Guidelines® ships an update every 2 months, and AORN eBooks every 3 months. Most recently, NCCN Guidelines® was updated on October 29, 2026 and AORN eBooks on October 23, 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.*