ENARM Simulator + Question Bank + Clinical Cases + Medical Specialty Exams, all in one app. The tool most doctors use to prepare for the ENARM and secure their medical residency in Mexico.

HIGH-FIDELITY ENARM SIMULATOR
Practice with the most comprehensive ENARM simulator: number of questions, time limits, and subject areas identical to the official exam. Includes a mini-simulator for short ENARM study sessions when time is limited. The best conditions for passing the ENARM exam.

ENARM QUESTION BANK
Over 1,800 ENARM and specialty questions with medical justification, differential diagnosis, and step-by-step explanation. 100 new ENARM 2026 questions every month, updated to the official format of the medical residency exam.

UNLIMITED CLINICAL CASES
Solve real clinical cases and develop the clinical reasoning skills assessed by the ENARM exam. Each case includes differential diagnosis and a complete explanation. Available offline: Study anywhere, without relying on the internet.

MEDICAL SPECIALTY EXAMS
Cardiology, Dermatology, Ophthalmology, and more. Prepare for your medical specialty exam and board exams without switching apps. Practice by area, track your progress, and strengthen your knowledge where you need it most.

PRACTICE MODE AND MINI SIMULATOR
Study for the ENARM exam at your own pace with the topic-based practice mode or try our mini simulator. You decide how to prepare for your medical residency.

NATIONAL RANKING AND WEEKLY CHALLENGES
Compete with thousands of other doctors also seeking their medical residency. Climb the rankings, accept weekly challenges, and win prizes.

MEDICAL BLOG AND ARTICLES
Access up-to-date editorial content: clinical articles, ENARM study guides, and news about the medical residency exam directly in the app. — — —
CHALLENGE MEMBERSHIP
✔ 100 new clinical cases for ENARM and medical specialties every month
✔ Courses and medical update materials
✔ Blog with exclusive clinical articles
✔ Offline access to all your content
✔ Exclusive job board for physicians
✔ In-person and online events
✔ Discounts with healthcare partners
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Over 70,000 physicians already use Challenge to prepare for their ENARM and medical specialty exams. Thousands of solved clinical cases every month in our app.

Download Challenge. Practice. Pass the ENARM. Choose your medical specialty.