# CorePendium vs Rapid EM

The clearest difference is iOS requirement: Rapid EM at 13.0 against CorePendium's 15.1. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | CorePendium | Rapid EM |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (1.5K ratings)](https://appshunter.io/ios/app/corependium/id1581291387/reviews)** | — |
| Number of ratings | **1.5K** | — |
| Positive reviews | 61.5% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | — |
| Monetization | Freemium | — |
| Size | 49 MB | 37 MB |
| Requires iOS | 15.1 | **13.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 17+ | 17+ |
| Developer | [EM:RAP, Inc.](https://appshunter.io/developer/804248263) | [Rapid Clinical Systems LLC](https://appshunter.io/developer/1886759672) |

## What reviewers say

### CorePendium

[App page](https://appshunter.io/ios/app/corependium/id1581291387)

This app provides a comprehensive, continuously updated, and peer-reviewed clinical reference for Emergency and Urgent Care Medicine. It features integrated multimedia, offline access, intuitive navigation, and medical calculators, making it an essential tool for medical professionals on the go.

**Highlights:** Expert-backed, continuously revised content, Integrated media library (ECGs, X-rays, videos, audio), Offline access to all content, Intuitive navigation with Rapid Access and Deep Dive sections, Integrated medical calculators, Links to EM:RAP knowledge base content

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

**In-app purchases:** none

**What reviewers like**

- 🚀 Great resource
- 👍 Excellent and usable app
- 👍 Terrific point of care resource
- 👍 Invaluable for EM residents

**What reviewers complain about**

- 🔍 Lacking search functionality
- 🐛 Crashes frequently
- 🔍 Poor indexing and content organization

**Reported bugs**

- Crashes on launch
- Compatibility issues with older devices

**Requested features**

- iPad version
- Ability to track progress and bookmark content
- Video playback controls (speed, rewind)


### Rapid EM

[App page](https://appshunter.io/ios/app/rapid-em/id6760910454)

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

**In-app purchases:** none


## Frequently asked questions

### Is CorePendium free?

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

### Is Rapid EM free?

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

### Do CorePendium or Rapid EM have ads?

Neither CorePendium nor Rapid EM 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.*