First Aid Cases vs Histology
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
First Aid Cases
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.
- 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
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Master USMLE® Step 1 through 350 high-yield clinical cases. First Aid Cases for the USMLE® Step 1 transforms high-yield concepts into realistic patient scenarios that strengthen clinical reasoning and prepare you for exam day. Based on the trusted First Aid™ series, this interactive app includes 350 clinical cases covering every major Step 1 topic. Each case combines active learning questions, detailed explanations, and full-color clinical images to reinforce essential concepts and improve long-term retention. FEATURES • 350 high-yield clinical cases • Active learning questions with detailed explanations • 300+ full-color clinical images and illustrations • Organization matched to First Aid for the USMLE Step 1 • Reinforces concepts through realistic patient scenarios • Perfect for USMLE Step 1 preparation COMPLETE STEP 1 COVERAGE • Biochemistry • Immunology • Microbiology • Pharmacology • Public Health Sciences • Cardiovascular • Endocrine • Gastrointestinal • Hematology & Oncology • Musculoskeletal • Neurology • Psychiatry • Renal • Reproductive • Respiratory • Skin & Connective Tissue POWERFUL STUDY TOOLS • Highlight important concepts • Bookmark difficult cases • Add personal notes • Track your progress • Mark completed cases • Email notes • Optimized for iPhone and iPad Expanded Apps Terms of Service: https://expandedapps.com/terms-of-use/ Expanded Apps Privacy Policy: https://expandedapps.com/privacy-policy/
Histology
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.
- Micrograph self-testing
- Six sets of basic tissue coverage
- Cell Biology for Histologists
- Epithelia and Glands
- Connective Tissue and Muscle
- Peripheral Nervous System
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The BT Histology SecondLook™ application is a study aid that provides a series of micrographs for users to self-test their level of knowledge and ability to recognize histological structures. It contains six sets covering the basic tissues of the human body, including Cell Biology for the Histologist, Epithelia, Glands, Connective Tissue, Muscle, and the Peripheral Nervous System.
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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. Both last shipped on October 2, 2026.
| Parameter | First Aid Cases | Histology |
|---|---|---|
| Price | Free | Free |
| Rating | — | 3.7 (3 ratings) — better |
| Positive reviews | 45.0% of reviews — better | 33.3% of reviews |
| Number of ratings | — | 3 — better |
| Update frequency | Every 11 months | Every 10 months — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.6 | 9.0 — better |
| Further details — not scored | ||
| Size | 106 MB | 32 MB |
| Age rating | 12+ | 17+ |
| Developer | Expanded Apps | The University of Michigan |
Customer experience
First Aid Cases
Histology
In-app purchases
First Aid Cases
- First Aid Cases USMLE Step 1$44.99
Histology
No in-app purchases
Questions
Is First Aid Cases free?
Is Histology free?
Do First Aid Cases or Histology have ads?
Which is updated more often, First Aid Cases or Histology?
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