You are using the Free Trial Version of USMLE Step 1 Mastery.

Unlock the USMLE Step 1 Mastery Premium Version

to access thousands of questions and ALL of the features for one low price.

Free Your Current Version

Free 2x

You currently have the

  • 44 practice questions with explanations
  • Basic progress metrics

Ready for more? Get the Premium Version to unlock your best value. 

Premium ☆ MOST POPULAR ☆

Usmle1 premium 2x %281%29

Unlock the Premium Version for LIFETIME access

  • 1,000+ practice questions 
    • Including 700 NEW clinical vignettes
    • Detailed explanations with images
    • Developed by expert medical educators
  • Unlimited access to ALL categories, including:
    • Microbiology & Immunology
    • Histology & Cell biology
    • Anatomy & Physiology
    • Biochemistry & Genetics 
  • Detailed results tracking

Unlock Premium today to get mobile & online access!