Take histories from AI-simulated patients, examine, order tests and make the diagnosis. Deterministic scoring, ranked matches, MMR-pooled tournaments and specialty leaderboards — a competitive training arena for medical students and physicians.
Every case is a talking patient. You ask the history questions; answers stay true to the case scenario and stream in real time.
You solve the same case at the same time as an opponent near your MMR. Score + time are compared; an Elo-based league system moves you up.
Open tournaments with hundreds of players: get seeded into pools by MMR, advance through rounds, lift the trophy in the final.
Scores come from a rules engine, not AI: history taking, test economy, diagnosis and treatment are scored step by step, transparently.
Add friends, create private lobbies for 2-10 players, battle on the same case. Online presence and challenges included.
A growing bank of 1,900+ physician-reviewed cases; evidence-based scenarios in every specialty, at every difficulty level — over 800 of them in English.
Drug monographs, medical terminology with Latin roots, the complete WHO ICD-11 and ICD-10 catalogs and a history-of-medicine timeline — free for everyone.
Quarterly seasons with soft resets, league tiers from Bronze to Legend, and separate leaderboards for every specialty — cardiology to pediatrics.
Ask the medical question on your mind and learn it with its reasoning. Upload a lab photo or a PDF report and have it interpreted. The answer keeps generating even if you close the app.
Your own patient notes, appointments and photos, end-to-end encrypted. The key never leaves your device: the server cannot read the content, and even search runs locally.
A new diagnostic puzzle every day: unlock clues, and the earlier you solve it the more you score. In a hurry? A 10-question flash quiz — case vignette, four options, thirty seconds.
CHA₂DS₂-VASc, Wells, GCS, qSOFA, CURB-65, Parkland, GFR… 20 scores and formulas in your pocket — they work without a connection.
Cases, AI patients and the entire library are fully bilingual. Switch languages any time; content follows automatically.

The patient tells their story; you ask the questions, answers stream in real time.

Find an opponent near your MMR and race on the same case.

Daily, weekly and all-time — overall or specialty by specialty.

Register, land in your pool, clear the rounds — take the cup.

Filter by specialty and difficulty, search, pick your case.

League tier, MMR progress and the season countdown on one card.

Term of the day, on this day, and a six-part pocket reference.

Daily goal, streak and the case of the day are waiting.

Ask your medical question and learn the reasoning; you can upload a lab photo too.

An end-to-end encrypted patient notebook — the key stays with you.

Four clues, five guesses. The earlier you solve it, the more you score.

10 case vignettes, four options, thirty seconds — one round while you wait.

20 clinical scores and formulas; they work offline too.
League of Doctor isn't only about competing. A full reference library ships with the app, open to every user for free — built for the ward, the study desk and the five minutes before rounds.


The app is not only where you solve cases; it is also where the notes you take on shift can live. Your patient records, appointments and photos are encrypted on your phone and reach the server already encrypted. The key stays with you — nobody, us included, can read the content.


Ask the AI patient free-text questions; collect the clues in the story.
Pick the right exam items and tests — unnecessary orders cost points.
Type your diagnosis in free text; exact match or an AI judge evaluates it.
Plan the treatment and get your score; with Premium, request a personal AI analysis report.
Volume licensing for institutions: [email protected]
Now on the App Store for iOS — free to download.
⚡ Download on the App Store