The #1 Resource
for USMLE® Step 1

Used by more than 90% of medical students for over 15 years
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Introducing the COMLEX® Level 1 OMT Supplement — the Perfect Complement to Our USMLE® Step 1 QBank.
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Quality Is Our Obsession -
Start Your USMLE® Step 1 Prep With UWorld

 Since 2003, nearly all medical students in the United States have trusted UWorld to prepare for their licensing exams.  Being at the forefront of medical education gives us an obligation to provide students with only the best practice questions and explanations. Our goal is not only to prepare you for the USMLE, but to help you become a better clinician.

Key Features​

Available on

3,500+ challenging USMLE Step 1 questions

  • Real-life clinical scenarios test high-yield basic science concepts
  • Content created by practicing physicians with extensive experience
  • Continuous updates to maintain high standards of excellence

In-depth explanations

  • Conceptual focus on important preclinical and clinical topics
  • Detailed explanations for incorrect options
  • Vivid illustrations to help master the content

Performance and improvement tracking

  • Exam-like software interface
  • Highlighting of relative strengths and weaknesses
  • Performance gauging with peer-to-peer comparison

USMLE Step 1 QBank Highlights

Flag Questions

Flag questions so that you
can easily review them later


Improve retention by creating flashcards
with customized spaced repetition


Take notes to aid understanding
of critical concepts

Customizable Exams

Create customized exams
based on your unique study needs

Performance Goals

Track performance and compare
your progress with others

Multiple Devices

Practice questions any time, anywhere,
on desktop and mobile devices

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New Feature  

Flashcard Enhancements

Customize your study sessions with our new Flashcard feature enhancements, including a “Browse” feature that makes it easier for you to create and organize your flashcards, and a “Study” feature which lets you review your flashcards with integrated spaced repetition.

Quick Content Transfer
A Flashcards pop-up within the test interface lets you add any UWorld content to a new or existing flashcard in mere seconds, and the cards you create will automatically be made available in your future study sessions.

Enhanced Filtering
When you’re searching for a particular flashcard or organizing your decks, expanded filters (eg, Subject, System) help you quickly identify the material you’re looking for.

Integrated Spaced Repetition
Customizable study sessions with spaced repetition are now integrated within the Study section of the QBank. Integration allows you to use this proven study method with flashcards containing UWorld content. 

Innovative Explanations

UWorld focuses on explanations that provide a detailed understanding of important underlying concepts and minimize the need for memorization. The explanations teach you the critical thinking skills necessary to succeed on the USMLE Step 1 examination.


UWorld’s Step 1 self-assessments closely replicate the experience of the actual Step 1 exam to help you prepare and boost your confidence for the test day. Know when you are ready to take the exam with our self-assessments.
usmle step 1 tablet score uworld medical


UWorld’s Step 1 self-assessments closely replicate the experience of the actual Step 1 exam to help you prepare and boost your confidence for the test day. Know when you are ready to take the exam with our self-assessments.
  • Similar to NBME®, each exam consists of 4 blocks of 40 multiple-choice questions that span multiple subjects and are distinct from the regular QBank
  • The detailed explanations are accompanied by vivid illustrations and charts that are easy to understand and remember
  • Know your relative ranking as compared to other users who have already taken our self-assessments
  • After completing each self-assessment, receive an approximate 3-digit USMLE score based on UWorld historical data
CSS Styling Self-Assessment Features

Biostatistics Review

A clear understanding of biostatistics and epidemiology is required to critically review research and the medical literature. These subjects are tested on the USMLE as well as on in-service and board certification exams. Mastery of key concepts in a short period of time can be a daunting task. The biostatistics subject review helps strengthen your fundamental knowledge.
  • Learn the key concepts in an interactive format that can be reviewed in a short time
  • Basic and advanced vignettes teach you how to apply this knowledge in exam scenarios
  • Detailed step-by-step calculations allow you to practice with confidence
  • Comprehensive explanations integrate material from several questions to increase your understanding
uworld medical step 1 tablet qbank

Why choose us?

You'll be challenged

Our questions are at or above the level of difficulty of the USMLE, so you will be prepared for the actual exam. 

We won't leave you confused

We provide content-rich explanations for both correct and incorrect answer choices to give you a deep understanding of entire concepts. 

Designed with you in mind

A simple, user-friendly interface allows you to customize and create USMLE Step 1 practice tests of your choice.

We are here for you

Fast, friendly, and reliable customer support is available to meet your needs. 

USMLE Step 1 QBank Pricing

Questions about subscriptions/renewals? Click here.

QBank    |     Self-Assessments    |     Biostatistics Review    |     Renewals

*Each self-assessment has a duration of two weeks from its date of activation.

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Looking for institutional pricing?

We partner with academic programs to offer bulk pricing on our suite of medical exam prep solutions. We’ll work with you to customize a package to fit your student’s needs and your institution’s goals. 

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Renewal Instructions

  •   Please purchase a renewal using the "Renew" option from the My Account page
  •   To qualify for renewal pricing, course must be renewed before it expires
  •   All renewals are effective from the current expiration date and cannot be deferred
  •   Test information cannot be reset (deleted) with renewal unless eligibility criteria is met (see Help page)