Comparison

First Aid Cases USMLE Step 2CK vs USMLE Step 2 Exam Expert

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

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.

Highlights
  • 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
Features
Read full description

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/

About

USMLE Step 2 Exam Expert

Features
Read full description

This app contains thousands of real exam questions for self learning & exam preparation. With our Advanced Smart Learning Technology, you can study anywhere, anytime without Internet connectivity. USMLE 2 Expert uses proven study and test-taking strategies so that you’ll feel confident and ready to go when you have to take the USMLE 2 Exam. USMLE 2 Expert is a powerful exam simulator that allows you to choose various practice tests with detailed answer explanations for every question. All questions are formulated by experts closer to the actual USMLE 2 exam questions. Main Features: - Challenge yourself and familiarize with different questions and problems. It has two modes; •Quiz Mode •Practice Mode - Learning materials are prepared by EXPERTS in this field for the most current exam. - Experience the real exam environment by the EXAM SIMULATOR. - Contest, Quizzes, Simulation, Questions and other perfect interconnections. - Thousands of real exam questions. - Detailed study and test-taking strategies. - Detailed answer explanations for every question. - No registration required. Main Modules: - Daily Contest - Questions - Multimedia - Mnemonics - Generic Drug Info - Resources - Simulation Contest - Flaw Sweeper - Expert - Study Report Main Categories: - High-Yield Videos - Heart Sounds - Lung Sounds - Immune - Hematology & Oncology - Psychiatry - Neurology - Skin & Subcutaneous Tissue - Musculoskeletal - Cardiovascular - Respiratory - Gastrointestinal - Renal - Reproductive - Endocrine - Multisystem Disorders - Biostatistics, Epidemiology, Research - Social Sciences - Foundational Science Expert: - Expert record you performance, gives a comprehensive review and highlight the weaker area to let you focus on them while studying for USMLE 2 exam questions. - Based on history, quickly analyze the mastery of each chapter and adjust your learning content in real time. We have helped a lot of professionals. Download now! Waiting for you here! Get access to all questions when you subscribe: .1 Month: one auto-renewing payment of $4.99 .3 Months: one auto-renewing payment of $9.99 .12 Months: one auto-renewing payment of $19.99 USMLE:United States Medical Licensing Examination Please send your feedback to xtiiyygy@gmail.com. Privacy Policy:http://www.most123.com/AppSupport/privacy_en.html Terms of Use:http://www.most123.com/AppSupport/TermsOfUse.html

Screenshots

First Aid Cases USMLE Step 2CK4 screens
USMLE Step 2 Exam Expert4 screens

Verdict

The call

The clearest difference is update cadence: USMLE Step 2 Exam Expert at every 6 months against First Aid Cases USMLE Step 2CK's every 19 months. USMLE Step 2 Exam Expert also leads on iOS requirement (12.0 vs 15.6). 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. First Aid Cases USMLE Step 2CK sells 1 one-off in-app purchase and USMLE Step 2 Exam Expert sells 3 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

First Aid Cases USMLE Step 2CK ships an update every 19 months, USMLE Step 2 Exam Expert every 6 months. The most recent releases landed on September 8, 2026 and May 17, 2026 respectively.

Scorecard2 real differences · 6 level
First Aid Cases USMLE Step 2CK versus USMLE Step 2 Exam Expert: the parameters behind the verdict, then further details
ParameterFirst Aid Cases USMLE Step 2CKUSMLE Step 2 Exam Expert
PriceFreeFree
Positive reviews80.0% of reviews
Update frequencyEvery 19 monthsEvery 6 months — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.612.0 — better
Further details — not scored
Size62 MB46 MB
Age rating12+12+
DeveloperExpanded AppsGuangzhou Guang Tian Info Co., Ltd.

In-app purchases

1 purchases

First Aid Cases USMLE Step 2CK

One-time1
  • First Aid Cases for the USMLE Step 2, Second Edition (First Aid USMLE)$49.99
3 purchases

USMLE Step 2 Exam Expert

Subscriptions3
  • MONTHLY$4.991 Month
  • 3 MONTHS$9.993 Months
  • YEARLY$19.991 Year

Questions

Is First Aid Cases USMLE Step 2CK free?
First Aid Cases USMLE Step 2CK is free to download, with in-app purchases available.
Is USMLE Step 2 Exam Expert free?
USMLE Step 2 Exam Expert is free to download, with in-app purchases available.
Do First Aid Cases USMLE Step 2CK or USMLE Step 2 Exam Expert have ads?
Neither First Aid Cases USMLE Step 2CK nor USMLE Step 2 Exam Expert shows ads.
Which is updated more often, First Aid Cases USMLE Step 2CK or USMLE Step 2 Exam Expert?
First Aid Cases USMLE Step 2CK ships an update every 19 months, and USMLE Step 2 Exam Expert every 6 months. Most recently, First Aid Cases USMLE Step 2CK was updated on September 8, 2026 and USMLE Step 2 Exam Expert on May 17, 2026.

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