Rounds Codex
Free to download · The library stays free

Learn.
Understand.
Succeed.

The all-in-one medical education app for USMLE & NCLEX — a visual clinical atlas, board-style practice, pharmacology, and calculators, built by a practicing physician.

Download for Free!

The library you see today stays free forever, for everyone. A subscription is planned for material added later.

Download on the App Store
USMLE Step 1 & 2NCLEX-RNNursing · Medical · ResidentWorks offline
Rounds Codex condition guide
Rounds Codex medical library
Rounds Codex image gallery

Everything you need, in one app.

A clinical study atlas — written and illustrated by a practicing physician.

🎯
1,000+ original illustrations

Full-page medical artwork built to make the highest-yield material stick.

🩺
183 medical conditions

Nursing, Medical, and Resident views across 25 medical & surgical specialties.

📝
3,000 questions in all

1,840 condition quizzes, 1,010 USMLE, and 150 NCLEX questions — all with teaching rationales.

💊
300-drug pharmacy guide

Dosing, indications, and clinical pearls for 300 essential drugs.

🎧
Audio mode

Medical lessons to listen and learn — study hands-free on your commute or between rotations.

🧮
Medical calculators

Multipurpose bedside calculators for the clinical formulas you use every day.

🔄
470 clinical updates

Ongoing guideline updates so your knowledge stays current, automatically.

🔒
Private by design

Works completely offline. No account required. No ads. No tracking.

Created by
Joshua Kreithen, MD
Board-Certified Plastic Surgeon · clinical content reviewed for medical accuracy

Free to download. Free to keep.

The library you see today — every condition, illustration, quiz and calculator — stays free forever, for everyone. A subscription is planned for material added later, so there is nothing to miss by starting whenever suits you.

Download on the App Store