# Case Files Microbiology, 3e vs Micro Guide

The clearest difference is in-app purchases: Micro Guide at none against Case Files Microbiology, 3e's 5. Case Files Microbiology, 3e's advantage is iOS requirement (15.0 vs 17.0). On price, update cadence, ads and device support 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. Micro Guide asks for nothing beyond the download.

Case Files Microbiology, 3e ships an update every 20 months, Micro Guide every 15 months. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Case Files Microbiology, 3e | Micro Guide |
| --- | --- | --- |
| 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 | **Every 15 months** |
| Monetization | Free with in-app purchases | — |
| Size | 19 MB | 71 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 12+ | 17+ |
| Developer | [Expanded Apps](https://appshunter.io/developer/313709778) | [Ahmed Alalem](https://appshunter.io/developer/1803501588) |

## 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 |


### Micro Guide

[App page](https://appshunter.io/ios/app/micro-guide-antibiotics/id6746568332)

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

**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 Micro Guide free?

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

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

Neither Case Files Microbiology, 3e nor Micro Guide shows ads.

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

Case Files Microbiology, 3e ships an update every 20 months, and Micro Guide every 15 months. Most recently, Case Files Microbiology, 3e was updated on November 3, 2026 and Micro Guide on October 30, 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.*