# Emory ECMO vs ACNP Boards Prep

The clearest difference is in-app purchases: Emory ECMO at none against ACNP Boards Prep's 1. Emory ECMO also leads on iOS requirement (13.4 vs 16.0). ACNP Boards Prep's advantage is update cadence (every 3 days vs every 15 months). On price, ads and device support there is nothing between them.

Both are free to download. ACNP Boards Prep sells 1 one-off in-app purchase. Emory ECMO asks for nothing beyond the download.

Emory ECMO ships an update every 15 months, ACNP Boards Prep every 3 days. The most recent releases landed on October 10, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Emory ECMO | ACNP Boards Prep |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/acnp-boards-prep/id6761673266/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 15 months | **Every 3 days** |
| Monetization | — | Free with in-app purchases |
| Size | 15 MB | 26 MB |
| Requires iOS | **13.4** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [Emory University](https://appshunter.io/developer/387102326) | [Joshua Prince](https://appshunter.io/developer/1838058985) |

## What reviewers say

### Emory ECMO

[App page](https://appshunter.io/ios/app/emory-ecmo/id1667321927)

**Features:** macOS Compatibility

**In-app purchases:** none


### ACNP Boards Prep

[App page](https://appshunter.io/ios/app/acnp-boards-prep/id6761673266)

Prepare for Acute Care Nurse Practitioner board certification with practice questions and detailed explanations. Features include practice, test, and review modes, progress tracking, and an antibiotic guide. Offers a free trial with a one-time unlock for full access.

**Highlights:** Board-style practice questions, Detailed explanation for each answer, Practice, test, and review modes, Exam readiness score tracking, Antibiotic review guide, Achievements for motivation

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full Access | $4.99 | one-time |


## Frequently asked questions

### Is Emory ECMO free?

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

### Is ACNP Boards Prep free?

ACNP Boards Prep is free to download, with in-app purchases available.

### Do Emory ECMO or ACNP Boards Prep have ads?

Neither Emory ECMO nor ACNP Boards Prep shows ads.

### Which is updated more often, Emory ECMO or ACNP Boards Prep?

Emory ECMO ships an update every 15 months, and ACNP Boards Prep every 3 days. Most recently, Emory ECMO was updated on October 10, 2026 and ACNP Boards Prep on October 9, 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.*