USMLE Step 1

640+ board-style questions & high-yield explanations to master your exam!

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

• In-depth study tips

• 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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Choose the auto-renewing plan that's right for you. Receive access to all questions and content.

• $19.99 per month

• $79.99 per year

Your payment will be charged to your Google Play account at the time of purchase. Subscriptions automatically renew unless auto-renew is turned off 24-hours prior to the end of your subscription period. Your account will be charged within 24-hours of the end of your current subscription period, and you’ll receive a receipt for the cost of the renewal.

To manage your renewal settings, head to the Account Settings once your purchase has been confirmed. All prices are for United States customers. Pricing in other countries may vary, and charges may be converted to local currency depending on your country of residence.

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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.