# CorePendium vs Antibiotic

CorePendium and Antibiotic both sit at 4.9 stars, but that hides the real split: 100% of Antibiotic's written reviews are positive against 67% of CorePendium's. Antibiotic also leads on monetization model (free vs freemium) and update cadence (every 6 days vs monthly). CorePendium's advantage is ratings volume (1.4K vs 4). On price, rating, ads and in-app purchases there is nothing between them.

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

On the App Store both sit at effectively the same score — 4.9 for CorePendium against 5.0 for Antibiotic. That said, the two scores are not equally well evidenced: CorePendium has 1.4K ratings behind it against 4, so its average is the more settled of the two. Written reviews are what separate them: 67% of CorePendium's written reviews are positive against 100% of Antibiotic's.

CorePendium ships an update monthly, Antibiotic every 6 days. The most recent releases landed on September 23, 2026 and September 15, 2026 respectively.

## The numbers

| Metric | CorePendium | Antibiotic |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.9 (1.4K ratings)](https://appshunter.io/ios/app/corependium/id1581291387/reviews) | **[5.0 (4 ratings)](https://appshunter.io/ios/app/antibiotic-er-quick-guide/id6738838656/reviews)** |
| Number of ratings | **1.4K** | 4 |
| Positive reviews | 66.7% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Every 6 days** |
| Monetization | Freemium | **Free** |
| Size | 49 MB | 49 MB |
| Requires iOS | 15.1 | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 17+ |
| Developer | [EM:RAP, Inc.](https://appshunter.io/developer/804248263) | [Tom Fadial](https://appshunter.io/developer/1316852248) |

## 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)


### Antibiotic

[App page](https://appshunter.io/ios/app/antibiotic-er-quick-guide/id6738838656)

This app provides quick, evidence-based antibiotic recommendations for emergency department clinicians. It features simple navigation, instant treatment suggestions, and customizable dosing based on patient factors, helping healthcare professionals make confident treatment decisions efficiently.

**Highlights:** Streamlined antibiotic selection, Instant treatment recommendations, Customizable dosing by age/weight, Evidence-based clinical guidelines, Fast access to detailed information, Designed for emergency providers

**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 Antibiotic free?

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

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

Antibiotic is rated higher. CorePendium averages 4.9 out of 5 from 1.4K ratings, while Antibiotic averages 5.0 from 4 ratings.

### Do CorePendium or Antibiotic have ads?

Neither CorePendium nor Antibiotic shows ads.

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

CorePendium ships an update monthly, and Antibiotic every 6 days. Most recently, CorePendium was updated on September 23, 2026 and Antibiotic on September 15, 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.*