# CPNP vs DiagnoseThis

The clearest difference is in-app purchases: DiagnoseThis at none against CPNP's 6. DiagnoseThis also leads on update cadence (every 5 days vs every 4 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. CPNP sells 6 in-app purchases, starting at $10.99 per 7 days. DiagnoseThis asks for nothing beyond the download.

CPNP ships an update every 4 months, DiagnoseThis every 5 days. The most recent releases landed on October 12, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | CPNP | DiagnoseThis |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/cpnp-pc-exam-by-rocket-prep/id6748287111/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 5 days** |
| Monetization | Free with in-app purchases | — |
| Size | 49 MB | 31 MB |
| Requires iOS | **15.1** | 16.4 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 12+ | 17+ |
| Developer | [Darya Pyzhyk](https://appshunter.io/developer/1799009188) | [Core DT Solutions, LLC](https://appshunter.io/developer/6774581289) |

## What reviewers say

### CPNP

[App page](https://appshunter.io/ios/app/cpnp-pc-exam-by-rocket-prep/id6748287111)

Prepare for the Certified Pediatric Nurse Practitioner – Primary Care exam with a comprehensive mobile study resource. It offers an extensive question bank, detailed explanations, customizable study modes, and progress tracking to help you master key pediatric healthcare concepts.

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

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| CPNP-PC Weekly Full Access | $10.99 | per 7 days |
| CPNP-PC Monthly Full Access | $27.99 | per month |
| CPNP-PC Monthly Full Access | $27.99 | per month |
| CPNP_PC_mock_tries_1 | $4.99 | one-time |
| CPNP_PC_mock_tries_3 | $9.99 | one-time |
| CPNP_PC_mock_tries_5 | $14.99 | one-time |


### DiagnoseThis

[App page](https://appshunter.io/ios/app/diagnosethis/id6774581287)

**In-app purchases:** none


## Frequently asked questions

### Is CPNP free?

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

### Is DiagnoseThis free?

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

### Do CPNP or DiagnoseThis have ads?

Neither CPNP nor DiagnoseThis shows ads.

### Which is updated more often, CPNP or DiagnoseThis?

CPNP ships an update every 4 months, and DiagnoseThis every 5 days. Most recently, CPNP was updated on October 12, 2026 and DiagnoseThis on October 28, 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.*