# EF vs PH

The clearest difference is in-app purchases: PH at none against EF's 8. On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. EF sells 8 in-app purchases, starting at $1.99 per month. PH asks for nothing beyond the download.

## The numbers

| Metric | EF | PH |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/ph-chd-learn/id6764614338/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 days | — |
| Monetization | — | Free |
| Size | 199 MB | 16 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 17+ |
| Developer | [Kenneth Guber, M.D. LLC](https://appshunter.io/developer/1860110576) | [Corey Chartan](https://appshunter.io/developer/1434549774) |

## What reviewers say

### EF

[App page](https://appshunter.io/ios/app/ef-ortless-echo-trainer/id6758357075)

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

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Echo+ Monthly | $1.99 | per month |
| Echo Pro Monthly | $2.99 | per month |
| Intern's Stash | $0.99 | one-time |
| Exam Cram Pass | $0.99 | one-time |
| Ischemia Detector | $0.99 | one-time |
| Right Heart Warrior | $0.99 | one-time |
| Fellow's Wallet | $2.99 | one-time |
| Attending's Vault | $9.99 | one-time |


### PH

[App page](https://appshunter.io/ios/app/ph-chd-learn/id6764614338)

This app offers interactive, case-based modules for medical professionals to learn about congenital heart disease and pulmonary hypertension. It features detailed diagrams and practical clinical guidance to aid in diagnosis and management.

**Highlights:** Interactive case-based modules, Congenital heart disease coverage, Pulmonary hypertension evaluation, Surgical timing guidance, Clinical pearls for diagnosis, Detailed lesion-specific diagrams

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

**In-app purchases:** none


## Frequently asked questions

### Is EF free?

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

### Is PH free?

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

### Do EF or PH have ads?

Neither EF nor PH shows ads.

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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.*