First Aid Cases USMLE Step 2CK vs First Aid
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
First Aid Cases USMLE Step 2CK
This app offers a comprehensive collection of clinical cases designed to help students prepare for the USMLE Step 2 CK exam. It features high-yield cases with active-recall questions and answers, emphasizing board-relevant diseases and concepts. Users can sample cases for free or unlock the full library through an in-app purchase.
- 344 high-yield clinical cases
- Active-recall questions and answers
- Board-relevant diseases and concepts
- Two-column format for self-quizzing
- 100+ images, diagrams, and tables
- Note-taking and highlighting
- Bookmark cases
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Master USMLE® Step 2 CK through 344 high-yield clinical cases. First Aid Cases for the USMLE® Step 2 CK 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 344 exam-style clinical cases covering every major Step 2 CK topic. Active-recall questions, detailed explanations, and more than 100 images, diagrams, and tables help reinforce key concepts and improve long-term retention. FEATURES • 344 high-yield clinical cases • Active-recall questions with detailed explanations • More than 100 images, diagrams, and tables • Written by students who excelled on Step 2 CK • Organized to complement First Aid for the USMLE Step 2 CK • Perfect for clerkship review and Step 2 CK preparation COMPLETE STEP 2 CK COVERAGE • Cardiology • Dermatology • Endocrinology • Epidemiology & Preventive Medicine • Ethics & Legal Issues • Gastrointestinal • Hematology & Oncology • Infectious Disease • Musculoskeletal & Connective Tissue • Neurology • Obstetrics & Gynecology • Pediatrics • Psychiatry • Pulmonary • Renal/Genitourinary • Emergency Medicine 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/
First Aid
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Learn to save lives with step-by-step first aid guides, created by a medical doctor and designed for everyone. The app includes a free-forever Quick Guide with essential life-saving maneuvers, available to all users. Get full access to detailed procedures for CPR, choking, bleeding, other emergencies and tests updated every month with the optional subscription. Subscription The app offers an auto-renewing Annual Subscription for $2.99/year with a 7-day free trial. Your subscription will automatically renew unless cancelled at least 24 hours before the end of the current period. You can manage or cancel your subscription at any time in your App Store account settings. Terms of Use (EULA) Please see the Standard Apple Licensed Application End User License Agreement: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is update cadence: First Aid at monthly against First Aid Cases USMLE Step 2CK's every 19 months. On price, ads, in-app purchases 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 USMLE Step 2CK sells 3 in-app purchases, starting at $14.99 per 7 days and First Aid sells 1 in-app purchase, starting at $2.99 per year. Whichever you choose, the download price is not the number that matters.
First Aid Cases USMLE Step 2CK ships an update every 19 months, First Aid monthly. The most recent releases landed on October 23, 2026 and October 24, 2026 respectively.
| Parameter | First Aid Cases USMLE Step 2CK | First Aid |
|---|---|---|
| Price | Free | Free |
| Positive reviews | 83.3% of reviews | — |
| Update frequency | Every 19 months | Monthly — better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.6 | 15.0.0 — better |
| Further details — not scored | ||
| Size | 62 MB | 49 MB |
| Age rating | 12+ | 17+ |
| Developer | Expanded Apps | Guidolin Maurizio |
In-app purchases
First Aid Cases USMLE Step 2CK
- Weekly Access$14.997 Days
- Monthly Access$24.991 Month
- First Aid Cases for the USMLE Step 2, Second Edition (First Aid USMLE)$49.99
First Aid
- Premium (Yearly)7 Days trial$2.991 Year
Questions
Is First Aid Cases USMLE Step 2CK free?
Is First Aid free?
Do First Aid Cases USMLE Step 2CK or First Aid have ads?
Which is updated more often, First Aid Cases USMLE Step 2CK or First Aid?
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