USMLE Step 2 CK Prep

Clinical Knowledge Qbank for iPhone and iPad. 2,192 original clinical vignettes with five answer options and a full rationale for the correct answer and every distractor, weighted to the published Step 2 CK content outline.

What's inside

2,192 original clinical vignettes across 16 disciplines — internal medicine by system, surgery, pediatrics, obstetrics & gynecology, psychiatry, preventive medicine and ethics.
A dedicated Next Best Step in Management drill, plus drills for diagnosis, diagnostic studies, pharmacotherapy, interventions, prognosis and health maintenance.
Timed 20-item exam blocks and full 9-hour mocks in both the current sixteen 30-minute block format and the legacy eight 60-minute block format.
Spaced repetition, flashcards, bookmarks, incorrect-question review and weak-area drills after every session.
Readiness estimate, per-discipline mastery, score trend and exam countdown.
Fully offline. No account. No third-party analytics or advertising SDKs.

Pricing

The app requires a purchase to use — there is no free tier. Prices shown in US dollars; the App Store displays your local price.

Plan	Length	Price (USD)
Monthly	Auto-renewing subscription, 1 month	$14.99
Yearly	Auto-renewing subscription, 1 year	$49.99
Lifetime Access	One-time purchase, does not renew	$79.99

Payment is charged to your Apple ID at confirmation of purchase. Subscriptions renew automatically unless auto-renew is turned off at least 24 hours before the end of the current period. Manage or cancel in your App Store account settings.

Medical disclaimer

Educational use only. The clinical scenarios are fictional teaching cases written for exam revision. Nothing in the app is medical advice and nothing should be used to diagnose, treat or manage a real patient. Always follow current local guidelines and qualified clinical supervision. In an emergency, contact your local emergency number.

Content sources

All questions, options and rationales are original. They are written from the publicly published USMLE Step 2 CK content outline and from widely available clinical guidance including CDC/ACIP, USPSTF, ACC/AHA, ADA, ACOG, AAP, IDSA and NIH/MedlinePlus. Full citations with links are listed inside the app under Learn → Clinical References.