# Cardinal Glennon ER Reference vs ACEP Learn

The clearest difference is review sentiment: Cardinal Glennon ER Reference at 100% against ACEP Learn's 0%. Cardinal Glennon ER Reference also leads on rating (4.5 vs 1.0) and iOS requirement (15.0 vs 17.6). ACEP Learn's advantage is update cadence (every 2 months vs every 5 months). On price, ratings volume, 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.

Cardinal Glennon ER Reference holds the better App Store score, 4.5 against 1.0. Both are backed by a comparable volume of ratings — 4 and 8 respectively. Written reviews point the same way: 100% of Cardinal Glennon ER Reference's written reviews are positive against 0% of ACEP Learn's.

Cardinal Glennon ER Reference ships an update every 5 months, ACEP Learn every 2 months. The most recent releases landed on October 20, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | Cardinal Glennon ER Reference | ACEP Learn |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (4 ratings)](https://appshunter.io/ios/app/cardinal-glennon-er-reference/id516229794/reviews)** | [1.0 (8 ratings)](https://appshunter.io/ios/app/acep-learn-powered-by-peer/id6759347692/reviews) |
| Number of ratings | 4 | **8** |
| Positive reviews | **100.0% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 2 months** |
| Monetization | Free | Free |
| Size | 28 MB | 5 MB |
| Requires iOS | **15.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 17+ |
| Developer | [Acid Remap LLC](https://appshunter.io/developer/323130617) | [American College of Emergency Physicians](https://appshunter.io/developer/527186923) |

## What reviewers say

### Cardinal Glennon ER Reference

[App page](https://appshunter.io/ios/app/cardinal-glennon-er-reference/id516229794)

Provides offline access to a pediatric ER and EMS reference book. Quickly look up protocols, search titles and text, and save favorites. Customizable notes and contact information are also included.

**Highlights:** Offline protocol lookup, Indexed search, Favorites tab, Customizable notes, Up-to-date protocols, Hospital contact info

**In-app purchases:** none


### ACEP Learn

[App page](https://appshunter.io/ios/app/acep-learn-powered-by-peer/id6759347692)

Access emergency medicine board prep and expert-led courses designed for physicians. This platform offers practice questions, exams, lectures, and case studies to enhance exam readiness and clinical decision-making. Study flexibly with personalized plans and detailed explanations.

**Highlights:** EM board prep programs, Expert-led courses, Practice questions and exams, Lectures and podcasts, Case-based articles, Personalized study plans

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

**In-app purchases:** none


## Frequently asked questions

### Is Cardinal Glennon ER Reference free?

Cardinal Glennon ER Reference is free to download, with no in-app purchases.

### Is ACEP Learn free?

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

### Which has better reviews, Cardinal Glennon ER Reference or ACEP Learn?

Cardinal Glennon ER Reference is rated higher. Cardinal Glennon ER Reference averages 4.5 out of 5 from 4 ratings, while ACEP Learn averages 1.0 from 8 ratings.

### Do Cardinal Glennon ER Reference or ACEP Learn have ads?

Neither Cardinal Glennon ER Reference nor ACEP Learn shows ads.

### Which is updated more often, Cardinal Glennon ER Reference or ACEP Learn?

Cardinal Glennon ER Reference ships an update every 5 months, and ACEP Learn every 2 months. Most recently, Cardinal Glennon ER Reference was updated on October 20, 2026 and ACEP Learn on October 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.*