# First Aid Cases vs Histology

The clearest difference is in-app purchases: Histology at none against First Aid Cases's 1. Histology also leads on iOS requirement (9.0 vs 15.6). First Aid Cases's advantage is review sentiment (45% vs 33%). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. First Aid Cases sells 1 one-off in-app purchase. Histology asks for nothing beyond the download.

First Aid Cases ships an update every 11 months, Histology every 10 months. The most recent releases landed on October 2, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | First Aid Cases | Histology |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.7 (3 ratings)](https://appshunter.io/ios/app/histology-basic-tissues/id1001607947/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | **45.0% of reviews** | 33.3% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 11 months | **Every 10 months** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 106 MB | 32 MB |
| Requires iOS | 15.6 | **9.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 17+ |
| Developer | [Expanded Apps](https://appshunter.io/developer/313709778) | [The University of Michigan](https://appshunter.io/developer/380339599) |

## What reviewers say

### First Aid Cases

[App page](https://appshunter.io/ios/app/first-aid-cases-usmle-step-1/id535015792)

Prepare for the USMLE Step 1 exam with a comprehensive collection of patient cases. This app offers high-yield clinical scenarios, active learning questions, and full-color images to reinforce key concepts. It's designed for side-by-side study with a popular medical textbook.

**Highlights:** 350 high-yield patient cases, Active learning questions and answers, 300+ clinical images and illustrations, Pathophysiology explanations, Note-taking and highlighting, Case progress tracking, Bookmark cases

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| First Aid Cases USMLE Step 1 | $44.99 | one-time |


### Histology

[App page](https://appshunter.io/ios/app/histology-basic-tissues/id1001607947)

This study aid offers self-testing with micrographs of basic human body tissues. It covers cell biology, epithelia, glands, connective tissue, muscle, and the peripheral nervous system.

**Highlights:** Micrograph self-testing, Six sets of basic tissue coverage, Cell Biology for Histologists, Epithelia and Glands, Connective Tissue and Muscle, Peripheral Nervous System

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

**In-app purchases:** none


## Frequently asked questions

### Is First Aid Cases free?

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

### Is Histology free?

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

### Do First Aid Cases or Histology have ads?

Neither First Aid Cases nor Histology shows ads.

### Which is updated more often, First Aid Cases or Histology?

First Aid Cases ships an update every 11 months, and Histology every 10 months. Most recently, First Aid Cases was updated on October 2, 2026 and Histology on October 9, 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.*