# AORN eBooks vs General Surgery Instruments

The clearest difference is review sentiment: General Surgery Instruments at 100% against AORN eBooks's 0%. General Surgery Instruments also leads on rating (4.9 vs 2.0) and iOS requirement (13.0 vs 15.0). AORN eBooks's advantage is ads (none vs shown) and update cadence (every 3 months vs every 27 months). On price, ratings volume, in-app purchases and device support there is nothing between them.

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

General Surgery Instruments holds the better App Store score, 4.9 against 2.0. Both are backed by a comparable volume of ratings — 14 and 9 respectively. Written reviews point the same way: 0% of AORN eBooks's written reviews are positive against 100% of General Surgery Instruments's.

AORN eBooks ships an update every 3 months, General Surgery Instruments every 27 months. The most recent releases landed on October 23, 2026 and October 22, 2026 respectively.

## The numbers

| Metric | AORN eBooks | General Surgery Instruments |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.0 (14 ratings)](https://appshunter.io/ios/app/aorn-ebooks/id828332966/reviews) | **[4.9 (9 ratings)](https://appshunter.io/ios/app/general-surgery-instruments/id1552025649/reviews)** |
| Number of ratings | **14** | 9 |
| Positive reviews | 0.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 3 months** | Every 27 months |
| Monetization | **Free** | Free with in-app purchases |
| Size | 42 MB | 33 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Association of periOperative Registered Nurses (AORN)](https://appshunter.io/developer/828332969) | [Roman Moiseev](https://appshunter.io/developer/1877504595) |

## What reviewers say

### 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


### General Surgery Instruments

[App page](https://appshunter.io/ios/app/general-surgery-instruments/id1552025649)

A visual reference for surgical tools, organized by function. Features over 300 high-quality images with descriptions and an interactive quiz mode to test knowledge. Designed for easy navigation and learning.

**Highlights:** 300+ high-quality images, Concise descriptions, Intuitive interface, Interactive 'Check Yourself' mode, Organized by practical use

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is AORN eBooks free?

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

### Is General Surgery Instruments free?

General Surgery Instruments is free to download, with no in-app purchases.

### Which has better reviews, AORN eBooks or General Surgery Instruments?

General Surgery Instruments is rated higher. AORN eBooks averages 2.0 out of 5 from 14 ratings, while General Surgery Instruments averages 4.9 from 9 ratings.

### Do AORN eBooks or General Surgery Instruments have ads?

General Surgery Instruments shows ads; AORN eBooks does not.

### Which is updated more often, AORN eBooks or General Surgery Instruments?

AORN eBooks ships an update every 3 months, and General Surgery Instruments every 27 months. Most recently, AORN eBooks was updated on October 23, 2026 and General Surgery Instruments on October 22, 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.*