Thousands of explained questions that move you forward
Train with step-by-step clinical explanations to understand, retain and answer with confidence on exam day.
Prepare for the USMLE with 9,200+ explained questions and continue your progress from any device.
Start for freeMore than 10,000 students already study with DiosDoctor

No more boring exam prep: visible progress, daily challenges and a community that pushes you to walk into the USMLE ready.


Study with a clear plan, active practice and progress signals that show you what to review next before test day.
Train with step-by-step clinical explanations to understand, retain and answer with confidence on exam day.
Level up with smart metrics and guided practice to improve every day until you walk in ready for the USMLE.
Content focused on the highest-yield topics so you study strategically instead of wasting time on the irrelevant.
Download on Google Play or the App Store and get a fast, intuitive experience built to keep you consistent.
Start free. Paid plans unlock premium content, mocks, and AI.
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| Features | Gratis | Plus | Pro AI |
|---|---|---|---|
| Preguntas gratuitas | |||
| Todo el contenido premium | — | ||
| Explicaciones con bibliografía oficial | — | ||
| Simulacros ilimitados | — | ||
| Sin anuncios | — | ||
| IA ilimitada (Pro AI) | — | — |
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See full pricing pageEverything you need to know to start preparing for the USMLE with DiosDoctor.
Yes. DiosDoctor includes a growing bank of clinically explained questions and level-based practice designed to build the habits you need for USMLE-style exams.
Yes. We offer several days of free access so you can try the full platform with no commitment (check current terms in the app or at signup).
DiosDoctor combines active review with game-like levels, challenges and progress tracking, so you train actively instead of just reading passively.
Yes. Your account and progress sync across the web platform and the iOS/Android apps, so you can study anywhere.
You can install DiosDoctor from Google Play and the App Store; direct links are on this page and in the footer.
Yes. Payments are processed through secure, encrypted gateways that follow industry security standards to protect your data and transactions.
Yes. You can request a refund review according to your plan's terms and the store where you purchased (Google Play or App Store). Our support team guides you through the process.
Yes. We back the quality of the platform with active support so you get the most out of your plan. If you run into an access or billing issue, we'll help you resolve it quickly.