# Case Files vs Smith's Patient Interview, 4/E

The clearest difference is price: Case Files at Free against Smith's Patient Interview, 4/E's $59.99. Smith's Patient Interview, 4/E's advantage is in-app purchases (none vs 7) and iOS requirement (10.0 vs 15.6). On update cadence, ads and device support there is nothing between them.

Case Files is free to download; Smith's Patient Interview, 4/E costs $59.99 up front. Case Files sells 7 in-app purchases, starting at $6.99 per 7 days. Smith's Patient Interview, 4/E asks for nothing beyond the download.

Case Files ships an update every 18 months, Smith's Patient Interview, 4/E every 30 months. The most recent releases landed on November 3, 2026 and December 28, 2025 respectively.

## The numbers

| Metric | Case Files | Smith's Patient Interview, 4/E |
| --- | --- | --- |
| Price | **Free** | $59.99 |
| Positive reviews | 25.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 18 months** | Every 30 months |
| Monetization | Free with in-app purchases | — |
| Size | 23 MB | 24 MB |
| Requires iOS | 15.6 | **10.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 17+ |
| Developer | [Expanded Apps](https://appshunter.io/developer/313709778) | [Usatine & Erickson Media LLC](https://appshunter.io/developer/1466894388) |

## What reviewers say

### Case Files

[App page](https://appshunter.io/ios/app/case-files-internal-medicine/id1176390595)

Master internal medicine with real clinical cases designed for efficient learning and exam success. Develop clinical reasoning skills and prepare for USMLE and shelf exams with high-yield content. Study anytime, anywhere with progress tracking and quick review features.

**Highlights:** 60+ real clinical cases, Step-by-step clinical reasoning, Key takeaways for quick review, Progress tracking, Offline study capability, Case-based learning system

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

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 Week | $6.99 | per 7 days |
| 1 Week | $11.99 | per 7 days |
| 1 Month | $14.99 | per month |
| 1 Month | $17.99 | per month |
| 1 Month | $19.99 | per month |
| 1 Year | $69.99 | per year |
| Lifetime Access | $39.99 | one-time |


### Smith's Patient Interview, 4/E

[App page](https://appshunter.io/ios/app/smiths-patient-interview-4e/id1455609444)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Case Files free?

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

### Is Smith's Patient Interview, 4/E free?

Smith's Patient Interview, 4/E costs $59.99, with no in-app purchases.

### Do Case Files or Smith's Patient Interview, 4/E have ads?

Neither Case Files nor Smith's Patient Interview, 4/E shows ads.

### Which is updated more often, Case Files or Smith's Patient Interview, 4/E?

Case Files ships an update every 18 months, and Smith's Patient Interview, 4/E every 30 months. Most recently, Case Files was updated on November 3, 2026 and Smith's Patient Interview, 4/E on December 28, 2025.

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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.*