# Case Files vs First Aid QA for USMLE Step 1

The clearest difference is review sentiment: First Aid QA for USMLE Step 1 at 100% against Case Files's 33%. First Aid QA for USMLE Step 1 also leads on iOS requirement (13.0 vs 15.6). Case Files's advantage is ads (none vs shown). On price, update cadence, in-app purchases and monetization model there is nothing between them.

Both are free to download. Case Files sells 6 in-app purchases, starting at $7.99 per 7 days and First Aid QA for USMLE Step 1 sells 6 in-app purchases, starting at $19.99 per month. Whichever you choose, the download price is not the number that matters.

Case Files ships an update every 19 months, First Aid QA for USMLE Step 1 every 31 months. The most recent releases landed on November 6, 2026 and November 7, 2026 respectively.

## The numbers

| Metric | Case Files | First Aid QA for USMLE Step 1 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.5 (83 ratings)](https://appshunter.io/ios/app/first-aid-qa-for-usmle-step-1/id1558975802/reviews)** |
| Number of ratings | — | **83** |
| Positive reviews | 33.3% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 19 months** | Every 31 months |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 21 MB | 147 MB |
| Requires iOS | 15.6 | **13.0** |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 12+ | 17+ |
| Developer | [Expanded Apps](https://appshunter.io/developer/313709778) | [Skyscape Medpresso Inc](https://appshunter.io/developer/818609416) |

## What reviewers say

### Case Files

[App page](https://appshunter.io/ios/app/case-files-pathology/id457739821)

This app provides over 50 clinical pathology cases with USMLE-style questions to help medical students learn through real-world patient scenarios. It offers interactive features, study modes, and progress tracking to improve exam scores and clinical problem-solving skills.

**Highlights:** 50+ clinical cases with USMLE-style questions, Interactive case discussions and comprehension questions, Study, Exam, and Bookmark modes for question review, Progress tracking and score storage, Clinical pearls and approach to problem-solving, iCloud support for multi-device use

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 Week | $7.99 | per 7 days |
| Weekly Access | $11.99 | per 7 days |
| 1 Month | $18.99 | per month |
| Monthly Access | $19.99 | per month |
| 1 Year | $69.99 | per year |
| Lifetime | $39.99 | one-time |


### First Aid QA for USMLE Step 1

[App page](https://appshunter.io/ios/app/first-aid-qa-for-usmle-step-1/id1558975802)

Prepare for the USMLE Step 1 with a comprehensive Q&A review. This app offers 1,000 board-style questions, detailed explanations, and high-yield facts linked to a best-selling study guide. Access content offline after initial download.

**Highlights:** 1000 board-style questions, Detailed explanations for answers, Linked to First Aid study guide, 30+ high-yield images, diagrams, tables, One complete practice exam, Offline content access, SmartSearch technology

**Features:** Vision Pro support

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| USMLE-1 Monthly Subscription | $19.99 | per month |
| USMLE-1 3 Month Subscription | $25.99 | per 3 months |
| 25% Off for Limited Period | $29.99 | per year |
| 20% off for Limited Period | $31.99 | per year |
| 15% Off for Limited Period | $33.99 | per year |
| First Aid Q&A for USMLE Step 1 | $38.99 | per year |


## Frequently asked questions

### Is Case Files free?

Case Files is free to download, with in-app purchases available.

### Is First Aid QA for USMLE Step 1 free?

First Aid QA for USMLE Step 1 is free to download, with in-app purchases available.

### Do Case Files or First Aid QA for USMLE Step 1 have ads?

First Aid QA for USMLE Step 1 shows ads; Case Files does not.

### Which is updated more often, Case Files or First Aid QA for USMLE Step 1?

Case Files ships an update every 19 months, and First Aid QA for USMLE Step 1 every 31 months. Most recently, Case Files was updated on November 6, 2026 and First Aid QA for USMLE Step 1 on November 7, 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.*