Free question banks and interactive courses for hard subjects.
NREMT-EMT practice tests, organic chemistry and anatomy & physiology, free to start with no account.
NREMT-EMT Prep
2,033 questions, timed exams, forty chapters of notes, a 3D body map, a sound trainer and branching scenarios.
Organic Chemistry
123 topics and 10 mechanisms you perform yourself, plus eight tools that compute their answers.
Anatomy & Physiology
27 chapters, from body organization to development, taught in an order where nothing is used before it is taught, with a virtual lab practical and physiology reasoning drills.
AP® Biology
Built on the 2025 course framework, in its order: lessons from scratch, data-heavy practice like the real exam, and the statistics skills. 75 published topics so far, more every few weeks.
All notes and textbook pages are free forever; interactive lessons are free in the early chapters; Premium adds unlimited practice, exams, every lesson and analytics. Premium passes start at $25, one-time ($17.50 at the founding-member price until 31 January 2027). No subscription. What’s free in each course, and the prices.
Is LevlPrep free?
All notes and textbook pages are free forever; interactive lessons are free in the early chapters; Premium adds unlimited practice, exams, every lesson and analytics.
How much does Premium cost?
Premium is a one-time pass per course, with no subscription: NREMT-EMT Prep, $29 for 90 days; Organic Chemistry, $29 a semester (5 months) or $49 a full year; Anatomy & Physiology, $29 a semester (5 months) or $49 a full year (A&P I and II); AP® Biology, $25 for a pass valid through 30 June 2027. Prices are in US dollars. Free vs Premium, course by course.
Is LevlPrep affiliated with the NREMT, ATI, OpenStax or the College Board?
No. LevlPrep is an independent study aid. It is not affiliated with or endorsed by the National Registry of Emergency Medical Technicians (NREMT), ATI, OpenStax, the College Board or any university. AP® is a trademark registered by the College Board, which is not affiliated with, and does not endorse, this site.
An independent project: not a company, not a training program, and not affiliated with or endorsed by the National Registry of Emergency Medical Technicians (NREMT is its registered trademark), ATI, OpenStax or any university. Premium is an optional one-time pass, and what is free is listed course by course. No ads.
Every question in every course is original, written for LevlPrep with an explanation on each one: NREMT questions to current national guidelines and the five domains of the Registry’s 2025 EMT exam, Organic Chemistry and A&P questions to the topic that teaches them. Automated checks look for answer-position and length tells. Sources and checks.
Corrected questions, new lessons and site fixes are listed, dated, on What’s new. The checks that run on every change are described under Sources.