# AORN Mobile vs CNOR Test Prep & Study Guide

The clearest difference is review sentiment: AORN Mobile at 50% against CNOR Test Prep & Study Guide's 0%. AORN Mobile also leads on update cadence (every 2 months vs every 9 months). CNOR Test Prep & Study Guide's advantage is rating (4.3 vs 3.6) and iOS requirement (14.0 vs 18.0). On price, ratings volume, ads and in-app purchases there is nothing between them.

Both are free to download. AORN Mobile sells 1 one-off in-app purchase and CNOR Test Prep & Study Guide sells 3 in-app purchases, starting at $9.99 per month. Whichever you choose, the download price is not the number that matters.

CNOR Test Prep & Study Guide holds the better App Store score, 4.3 against 3.6. Both are backed by a comparable volume of ratings — 11 and 8 respectively. Written reviews complicate that: 50% of AORN Mobile's written reviews are positive against 0% of CNOR Test Prep & Study Guide's, so the app with the better star average is not the one people write more warmly about.

AORN Mobile ships an update every 2 months, CNOR Test Prep & Study Guide every 9 months. The most recent releases landed on October 6, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | AORN Mobile | CNOR Test Prep & Study Guide |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.6 (11 ratings)](https://appshunter.io/ios/app/aorn-mobile/id1492194676/reviews) | **[4.3 (8 ratings)](https://appshunter.io/ios/app/cnor-test-prep-and-study-guide/id1594152923/reviews)** |
| Number of ratings | **11** | 8 |
| Positive reviews | **50.0% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 9 months |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 22 MB | 7 MB |
| Requires iOS | 18.0 | **14.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 17+ | 17+ |
| Developer | [Association of periOperative Registered Nurses (AORN)](https://appshunter.io/developer/828332969) | [FLUENT AAC TECHNOLOGY S.R.L.](https://appshunter.io/developer/1547000580) |

## What reviewers say

### AORN Mobile

[App page](https://appshunter.io/ios/app/aorn-mobile/id1492194676)

Access essential clinical resources for perioperative nurses, including guidelines, journal articles, and knowledge-testing quizzes. This app provides quick access to procedure overviews and pocket cards in a user-friendly interface.

**Highlights:** Guideline implementation tools, AORN Journal access, Clinical knowledge quizzes, Pocket cards, Procedure overviews

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| AORN Standard Membership | $124.99 | one-time |


### CNOR Test Prep & Study Guide

[App page](https://appshunter.io/ios/app/cnor-test-prep-and-study-guide/id1594152923)

Prepare for the CNOR certification exam with over 3000 practice questions, flashcards, and realistic scenarios. Master all key exam areas to boost your knowledge and skills for perioperative nursing.

**Highlights:** 3000+ exam-like questions, 1000+ flashcards, Multiple practice tests, Real-life scenarios, Covers all CNOR exam areas, Progress tracking

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 Month Premium | $9.99 | per month |
| 1 Month Premium | $24.99 | per month |
| Lifetime Access | $99.99 | one-time |


## Frequently asked questions

### Is AORN Mobile free?

AORN Mobile is free to download, with in-app purchases available.

### Is CNOR Test Prep & Study Guide free?

CNOR Test Prep & Study Guide is free to download, with in-app purchases available.

### Which has better reviews, AORN Mobile or CNOR Test Prep & Study Guide?

CNOR Test Prep & Study Guide is rated higher. AORN Mobile averages 3.6 out of 5 from 11 ratings, while CNOR Test Prep & Study Guide averages 4.3 from 8 ratings.

### Do AORN Mobile or CNOR Test Prep & Study Guide have ads?

Neither AORN Mobile nor CNOR Test Prep & Study Guide shows ads.

### Which is updated more often, AORN Mobile or CNOR Test Prep & Study Guide?

AORN Mobile ships an update every 2 months, and CNOR Test Prep & Study Guide every 9 months. Most recently, AORN Mobile was updated on October 6, 2026 and CNOR Test Prep & Study Guide on October 24, 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.*