# First Aid Cases USMLE Step 2CK vs First Aid

The clearest difference is update cadence: First Aid at monthly against First Aid Cases USMLE Step 2CK's every 19 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. First Aid Cases USMLE Step 2CK sells 3 in-app purchases, starting at $14.99 per 7 days and First Aid sells 1 in-app purchase, starting at $2.99 per year. Whichever you choose, the download price is not the number that matters.

First Aid Cases USMLE Step 2CK ships an update every 19 months, First Aid monthly. The most recent releases landed on October 23, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | First Aid Cases USMLE Step 2CK | First Aid |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 83.3% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 19 months | **Monthly** |
| Monetization | Free with in-app purchases | — |
| Size | 62 MB | 49 MB |
| Requires iOS | 15.6 | **15.0.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 17+ |
| Developer | [Expanded Apps](https://appshunter.io/developer/313709778) | [Guidolin Maurizio](https://appshunter.io/developer/1833517864) |

## What reviewers say

### First Aid Cases USMLE Step 2CK

[App page](https://appshunter.io/ios/app/first-aid-cases-usmle-step-2ck/id568255274)

This app offers a comprehensive collection of clinical cases designed to help students prepare for the USMLE Step 2 CK exam. It features high-yield cases with active-recall questions and answers, emphasizing board-relevant diseases and concepts. Users can sample cases for free or unlock the full library through an in-app purchase.

**Highlights:** 344 high-yield clinical cases, Active-recall questions and answers, Board-relevant diseases and concepts, Two-column format for self-quizzing, 100+ images, diagrams, and tables, Note-taking and highlighting, Bookmark cases

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Access | $14.99 | per 7 days |
| Monthly Access | $24.99 | per month |
| First Aid Cases for the USMLE Step 2, Second Edition (First Aid USMLE) | $49.99 | one-time |


### First Aid

[App page](https://appshunter.io/ios/app/first-aid-practical-guide/id6751585803)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium (Yearly) | $2.99 | per year |


## Frequently asked questions

### Is First Aid Cases USMLE Step 2CK free?

First Aid Cases USMLE Step 2CK is free to download, with in-app purchases available.

### Is First Aid free?

First Aid is free to download, with in-app purchases available.

### Do First Aid Cases USMLE Step 2CK or First Aid have ads?

Neither First Aid Cases USMLE Step 2CK nor First Aid shows ads.

### Which is updated more often, First Aid Cases USMLE Step 2CK or First Aid?

First Aid Cases USMLE Step 2CK ships an update every 19 months, and First Aid monthly. Most recently, First Aid Cases USMLE Step 2CK was updated on October 23, 2026 and First Aid on October 24, 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.*