# QuickEM vs CorePendium

The clearest difference is price: CorePendium at Free against QuickEM's $9.99. CorePendium also leads on in-app purchases (none vs 1) and ratings volume (1.5K vs 10). QuickEM's advantage is review sentiment (91% vs 62%) and chart position (#25 vs unranked). On ads, device support and iOS requirement there is nothing between them.

CorePendium is free to download; QuickEM costs $9.99 up front. QuickEM sells 1 one-off in-app purchase. CorePendium asks for nothing beyond the download.

CorePendium holds the better App Store score, 4.9 against 4.6. That said, the two scores are not equally well evidenced: CorePendium has 1.5K ratings behind it against 10, so its average is the more settled of the two. Written reviews complicate that: 91% of QuickEM's written reviews are positive against 62% of CorePendium's, so the app with the better star average is not the one people write more warmly about.

QuickEM ships an update every 2 months, CorePendium monthly. The most recent releases landed on October 8, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | QuickEM | CorePendium |
| --- | --- | --- |
| Price | $9.99 | **Free** |
| Rating | [4.6 (10 ratings)](https://appshunter.io/ios/app/quickem/id930734530/reviews) | **[4.9 (1.5K ratings)](https://appshunter.io/ios/app/corependium/id1581291387/reviews)** |
| Number of ratings | 10 | **1.5K** |
| Positive reviews | **90.9% of reviews** | 61.5% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | **Monthly** |
| Monetization | Paid | **Freemium** |
| Best chart rank | **#25** | — |
| Size | 78 MB | 49 MB |
| Requires iOS | 15.6 | **15.1** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 17+ |
| Developer | [Dirkes Medical, PLLC](https://appshunter.io/developer/1668683062) | [EM:RAP, Inc.](https://appshunter.io/developer/804248263) |

## What reviewers say

### QuickEM

[App page](https://appshunter.io/ios/app/quickem/id930734530)

**Currently charting:** #25 Top Paid · Medical (US App Store)

This emergency medicine reference app provides clinicians with instant access to critical information, including differentials, treatments, and validated medical calculators. It's designed for rapid lookup of ED-specific care, organized by chief complaints and clinical categories, and works completely offline.

**Highlights:** 80+ chief complaint topics, 90+ medical calculators, Offline access, No login or ads, Adult and pediatric coverage, Evidence-based content, Customizable favorites

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Features | $2.99 | one-time |


### 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)


## Frequently asked questions

### Is QuickEM free?

QuickEM costs $9.99, and also offers in-app purchases.

### Is CorePendium free?

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

### Which has better reviews, QuickEM or CorePendium?

CorePendium is rated higher. QuickEM averages 4.6 out of 5 from 10 ratings, while CorePendium averages 4.9 from 1.5K ratings.

### Do QuickEM or CorePendium have ads?

Neither QuickEM nor CorePendium shows ads.

### Which is updated more often, QuickEM or CorePendium?

QuickEM ships an update every 2 months, and CorePendium monthly. Most recently, QuickEM was updated on October 8, 2026 and CorePendium on October 11, 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.*