Pass your USMLE Step 1 cognitive exam with USMLE Step 1 by First Aid. Join thousands of students and download the original USMLE Step 1 exam prep from USMLE Step 1 by First Aid for Android devices. The most popular USMLE Step 1 app on Google Play.

📖 PRACTICE QUESTIONS LIKE YOU’LL SEE ON THE STEP 1 EXAM:
• Answer our 640+ board-style qbank
• Detailed high-yield rationales of all answers
• 130+ images, diagrams, and tables
• Unlimited access to ALL categories:
* Biochemistry, Embryology
* Microbiology, Immunology
* Pathology, Pharmacology
* Endocrine System & more!

🚑 TAKE THE TEST BEFORE TAKING THE TEST
• Use USMLE Step 1 practice quizzes to boost confidence and reduce study time
• In-depth high-yield rationales created by experts to offer extra context to every question

✅ USMLE Step 1 HAS MORE QUESTIONS, QUIZZES, &METHODS OF STUDY
• 330+ tough quiz questions
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• Immediate feedback and progress metrics

💯 #1 STEP 1 STUDY GUIDE
• All-in-one Step 1 Exam Prep app for Android devices
• Study for your USMLE Step 1 cognitive exam with USMLE Step 1 by First Aid

🔥 GUARANTEED PASS. 99.7% OF OUR MEMBERS PASS ON THEIR FIRST TRY
• We’ve helped thousands of students gain peace of mind on exam day
• Get three times your money back if you don’t pass

❤️ WHAT MED STUDENTS AND PROFESSORS SAY
“Worth it. I love how it has the exact same categories that's on the USMLE Step 1 unlike most apps. It lets you favorite questions and tracks your progress!”
-Alex S.

“Loved this app. It has in-depth questions on each of the subjects covered on Step 1. I also really liked the detailed rationales on why a certain question was right or wrong. I would recommend this study tool”
- David M.

“Great question feedback. I really like the high-yield rationales given for each question.”
- Dan F.

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Pass your USMLE Step 1® cognitive exam with USMLE Step 1 by First Aid. Join thousands of students and download the original USMLE Step 1 exam prep from USMLE Step 1 by First Aid for Android devices.The most popular Step 1 app on Google Play.