"Medical school teaches you the theory. OnCall teaches you the practice."
Scientifically Validated
Clinically Proven.
Not Just Another
Study Tool.
While others offer questions, we offer evidence. OnCall is the only platform with peer-reviewed proof of clinical skill transformation.
The Lancet Publication • 2024
Flagship Study
Published in The Lancet
Peer-reviewed evidence showing a direct correlation between OnCall usage and significantly improved clinical exam performance and diagnostic accuracy.
Read the Lancet Study50,000+
Medical Students Globally
Trusted across medical programs worldwide as the gold standard for clinical skills development and reasoning.
Measurable OSCE Improvement
"Faster case completion, stronger clinical reasoning, and statistically higher exam scores across all major clinical modules."
The Clinical Reality
You're a Medical Student
And You’re Probably Nervous.
01
You're afraid of asking the wrong question.
You know the theory, but real conversations don't follow textbooks. One wrong turn can derail the entire encounter.
02
You freeze during OSCEs and case discussions.
Intuition only comes from repetition. And repetition is scarce when every case feels high-stakes.
03
You're running out of time.
Clinical rotations offer limited exposure. You might see 20 patients. You need closer to 200.
Traditional medical education wasn’t designed for deliberate practice. OnCall is.
Students Who Use OnCall
Proven To Perform Better
80
80%
Efficiency
Faster & Better Case Completion
More cases practiced in less time with better performance compared to passive studying.
50
50%
Scores
Higher Clinical Exam Scores
Medical students using OnCall for OSCE prep performed significantly better.
95
95%
Savings
More Cost-Effective Than Simulation Labs
Unlimited clinical simulation for $19/month. In-person simulation labs often cost $500+.
Peer-reviewed study published in The Lancet
Trusted by leading institutions worldwide




Wherever you are in your medical journey
Years 1–2
Pre-Clinical Students
Build foundations early. When real patients appear, you won't panic, you'll recognize patterns.
Years 3–4
Clinical Students
Maximize limited rotation time. See more cases, faster, and practice what you actually encounter on the wards.
Final Revision
OSCE Prep Mode
Drill high-yield cases. Identify weak spots. Fix them before exam day.
If you're looking for passive videos or lecture replacements, this isn't for you. OnCall is for those ready to practice.
Four Steps to Clinical Confidence
Choose a Case
150+ real-world scenarios organized by system, difficulty, or what you're studying this week.
Interview the Patient
Ask any question. Get natural responses. No timers. No pressure. No judgment.
Make Clinical Decisions
Form your differential, order tests, and commit to a diagnosis using structured reasoning that mirrors real practice.
Get Personalized Feedback
See exactly what you got right, what you missed, and what to study next. Feedback is instant and specific.
The Simulator
Inside OnCall
This is the actual interface medical students use to practice clinical reasoning and master patient encounters.




Natural Interviewing
History-Taking
Ask any question. Get natural patient responses. Build interviewing skills through unlimited, judgment-free practice.
Systematic Review
Physical Exam
Perform systematic examinations. Learn proper technique and interpretation through guided clinical scenarios.
Critical Reasoning
Decision Making
Generate hypotheses, differentials, and order labs. Mirror real-world practice by making management decisions.
Performance Analytics
Instant Feedback
See exactly what you did right, what you missed, and learn from every decision instantly with AI feedback.
Everything you see here is designed for one outcome: clinical confidence before it counts.
Transparent Pricing.
Unlimited Learning.
Free
$
0
Free access
- 3 complete cases
- 2 AI history-taking encounters
- No card required
Exam Sprint
$
49
for 90 days
- Full case library
- Unlimited attempts
- AI history-taking included
Annual
$
149
/ year
- Full case library
- Unlimited attempts
- AI history-taking included
Clinical Years
$
249
for 24 months
- Full case library
- Unlimited attempts
- AI history-taking included
Monthly
$
19
/ month
- Full case library
- Unlimited attempts
- AI history-taking included
Try for free. Upgrade whenever you're ready. Prices are in USD.
Every paid plan includes
Full case library
Unlimited attempts
AI history-taking included
Unbeatable Value
The average medical textbook costs between $300—$500. OnCall gives you an interactive, evolving clinical library for less than a single book.
Standard Textbook
$450.00
OnCall Annual Launch Price
$149 / year
First 500 paid customers
SECURE CHECKOUT
INSTANT ACTIVATION
GLOBAL LICENSE
Representing a school? View University Licenses
Common Questions
Bridging the
Clinical Gap
Structured, judgment-free practice designed to transform theoretical knowledge into clinical mastery.
Deliberate Practice
01
Will this actually help my OSCE score?
A peer-reviewed study published in The Lancet showed that students using OnCall experienced significant improvements in clinical exam performance.
02
How much time should I spend each day?
Consistency is key. 30 minutes of deliberate practice on our clinical cases beats hours of passive textbook studying.
03
I’m only in Year 1—should I start now?
Absolutely. Building clinical reasoning early builds confidence before rotations and high-pressure exams begin.
04
What if I score poorly on a case?
That is exactly why we are here. Our platform is a safe space to fail safely so that you can master your mistakes before seeing real patients.
05
Is this a replacement for lectures?
No. Think of it as the missing bridge. Lectures provide the theory; OnCall provides the practice layer needed to apply that knowledge.
