# CNOR Test Prep 2026 by Rocket vs Preop360

CNOR Test Prep 2026 by Rocket and Preop360 are too close to call on the numbers: across 9 compared parameters — price, rating, ratings volume and update cadence among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. CNOR Test Prep 2026 by Rocket sells 6 in-app purchases, starting at $9.99 per 7 days and Preop360 sells 1 in-app purchase, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 5.0 for CNOR Test Prep 2026 by Rocket against 5.0 for Preop360. Both are backed by a comparable volume of ratings — 2 and 2 respectively.

CNOR Test Prep 2026 by Rocket ships an update every 4 months, Preop360 every 3 months. The most recent releases landed on October 10, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | CNOR Test Prep 2026 by Rocket | Preop360 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (2 ratings)](https://appshunter.io/ios/app/cnor-test-prep-2026-by-rocket/id6744196009/reviews) | [5.0 (2 ratings)](https://appshunter.io/ios/app/preop360/id6746079405/reviews) |
| Number of ratings | 2 | 2 |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 3 months** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 49 MB | 40 MB |
| Requires iOS | 15.1 | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 12+ | 12+ |
| Developer | [Darya Pyzhyk](https://appshunter.io/developer/1799009188) | [CARE DECISIONS LLC](https://appshunter.io/developer/1734179704) |

## What reviewers say

### CNOR Test Prep 2026 by Rocket

[App page](https://appshunter.io/ios/app/cnor-test-prep-2026-by-rocket/id6744196009)

Prepare for the Certified Perioperative Nurse (CNOR) exam with a comprehensive mobile study resource. Master key concepts and clinical skills through extensive question banks, detailed explanations, and personalized progress tracking. Study anytime, anywhere with offline access and customizable modes.

**Highlights:** Extensive question bank, Detailed explanations and references, Customizable study modes, Progress tracking and analytics, Expert-led review resources, Active learning tools, Offline access and cross-device sync

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| CNOR weekly subscription | $9.99 | per 7 days |
| CNOR monthly subscription | $22.99 | per month |
| CNOR Monthly Full Access | $22.99 | per month |
| CNOR Exam simulation 1 Try | $4.99 | one-time |
| CNOR Exam simulation 3 Tries | $9.99 | one-time |
| CNOR Exam simulation 5 Tries | $14.99 | one-time |


### Preop360

[App page](https://appshunter.io/ios/app/preop360/id6746079405)

This app provides evidence-based support for clinicians evaluating adult patients for noncardiac surgery. It incorporates patient comorbidities and medications with interactive calculators to assess perioperative risk. Direct links to references and explanations aid in decision-making and learning.

**Highlights:** Evidence-based preoperative assessment, Interactive risk calculators (RCRI, DASI), Incorporates comorbidities and medications, Links to key references and explanations, Streamlines patient preparation, Standardizes assessments

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Basic Plan | $4.99 | per month |


## Frequently asked questions

### Is CNOR Test Prep 2026 by Rocket free?

CNOR Test Prep 2026 by Rocket is free to download, with in-app purchases available.

### Is Preop360 free?

Preop360 is free to download, with in-app purchases available.

### Which has better reviews, CNOR Test Prep 2026 by Rocket or Preop360?

CNOR Test Prep 2026 by Rocket and Preop360 are both rated 5.0 out of 5 on the App Store, from 2 and 2 ratings respectively.

### Do CNOR Test Prep 2026 by Rocket or Preop360 have ads?

Neither CNOR Test Prep 2026 by Rocket nor Preop360 shows ads.

### Which is updated more often, CNOR Test Prep 2026 by Rocket or Preop360?

CNOR Test Prep 2026 by Rocket ships an update every 4 months, and Preop360 every 3 months. Most recently, CNOR Test Prep 2026 by Rocket was updated on October 10, 2026 and Preop360 on October 21, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*