# Learn ICU vs KNOW Medicine

The clearest difference is in-app purchases: Learn ICU at none against KNOW Medicine's 1. Learn ICU also leads on ratings volume (168 vs 2). KNOW Medicine's advantage is rating (5.0 vs 4.6) and update cadence (every 2 months vs every 4 months). On price, ads and device support there is nothing between them.

Both are free to download. KNOW Medicine sells 1 in-app purchase, starting at $17.99 per year. Learn ICU asks for nothing beyond the download.

KNOW Medicine holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: Learn ICU has 168 ratings behind it against 2, so its average is the more settled of the two.

Learn ICU ships an update every 4 months, KNOW Medicine every 2 months. The most recent releases landed on September 23, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | Learn ICU | KNOW Medicine |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.6 (168 ratings)](https://appshunter.io/ios/app/learn-icu/id1580836868/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/know-medicine/id1663803825/reviews)** |
| Number of ratings | **168** | 2 |
| Positive reviews | 58.3% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 2 months** |
| Monetization | **Free** | Freemium |
| Size | 28 MB | 93 MB |
| Requires iOS | 17.4 | **15.6** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [Society of Critical Care Medicine](https://appshunter.io/developer/444109983) | [KNOW Medicine](https://appshunter.io/developer/1663805417) |

## What reviewers say

### Learn ICU

[App page](https://appshunter.io/ios/app/learn-icu/id1580836868)

Access critical care educational materials on your mobile device. Download content to learn on the go and enhance your skills in providing optimal care for critically ill patients.

**Highlights:** Downloadable learning content, On-the-go learning, Critical care education, Tools for practitioners, Right Care, Right Now™

**Features:** macOS Compatibility

**In-app purchases:** none


### KNOW Medicine

[App page](https://appshunter.io/ios/app/know-medicine/id1663803825)

This app provides a concise, expanded outline format for internal medicine practitioners on the wards. It focuses on essential high-yield knowledge, pathophysiology, treatment, and pharmacology for deeper understanding and retention. Subscription offers access to the entire collection with yearly updates.

**Highlights:** Expanded outline format, Organ system pathophysiology, Detailed treatment sections, Pharmacology focus, High-yield knowledge, Yearly updates, Website access

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Yearly Membership | $17.99 | per year |


## Frequently asked questions

### Is Learn ICU free?

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

### Is KNOW Medicine free?

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

### Which has better reviews, Learn ICU or KNOW Medicine?

KNOW Medicine is rated higher. Learn ICU averages 4.6 out of 5 from 168 ratings, while KNOW Medicine averages 5.0 from 2 ratings.

### Do Learn ICU or KNOW Medicine have ads?

Neither Learn ICU nor KNOW Medicine shows ads.

### Which is updated more often, Learn ICU or KNOW Medicine?

Learn ICU ships an update every 4 months, and KNOW Medicine every 2 months. Most recently, Learn ICU was updated on September 23, 2026 and KNOW Medicine on September 17, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*