# Case Files Microbiology, 3e vs SonoCue

The clearest difference is in-app purchases: SonoCue at none against Case Files Microbiology, 3e's 5. SonoCue also leads on update cadence (monthly vs every 20 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Case Files Microbiology, 3e sells 5 in-app purchases, starting at $8.99 per 7 days. SonoCue asks for nothing beyond the download.

Case Files Microbiology, 3e ships an update every 20 months, SonoCue monthly. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Case Files Microbiology, 3e | SonoCue |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (2 ratings)](https://appshunter.io/ios/app/case-files-microbiology-3e/id955282108/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 20 months | **Monthly** |
| Monetization | Free with in-app purchases | — |
| Size | 19 MB | 29 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 12+ | 17+ |
| Developer | [Expanded Apps](https://appshunter.io/developer/313709778) | [Otis Henderson](https://appshunter.io/developer/1895233140) |

## What reviewers say

### Case Files Microbiology, 3e

[App page](https://appshunter.io/ios/app/case-files-microbiology-3e/id955282108)

Master medical microbiology through interactive patient cases and USMLE-style questions. This app helps students learn essential concepts by applying them to real-life scenarios, preparing them for exams and clinical practice.

**Highlights:** 54 high-yield patient cases, USMLE-style review questions, Interactive study modes (Study, Exam, Bookmark), Clear concept discussions, Progress tracking, Note-taking and tagging

**Features:** macOS Compatibility

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 Week | $8.99 | per 7 days |
| Weekly Access | $10.99 | per 7 days |
| Monthly Access | $19.99 | per month |
| 1 Year | $79.99 | per year |
| Lifetime Access | $39.99 | one-time |


### SonoCue

[App page](https://appshunter.io/ios/app/sonocue/id6767184156)

**In-app purchases:** none


## Frequently asked questions

### Is Case Files Microbiology, 3e free?

Case Files Microbiology, 3e is free to download, with in-app purchases available.

### Is SonoCue free?

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

### Do Case Files Microbiology, 3e or SonoCue have ads?

Neither Case Files Microbiology, 3e nor SonoCue shows ads.

### Which is updated more often, Case Files Microbiology, 3e or SonoCue?

Case Files Microbiology, 3e ships an update every 20 months, and SonoCue monthly. Most recently, Case Files Microbiology, 3e was updated on November 3, 2026 and SonoCue on October 31, 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.*