Unlock the whole course. Cancel anytime.
Units 1–3 and all the terminology are free, and a free account opens the study notes for every unit. A plan unlocks all 29 units: about 2,900 questions, labeling drills on real diagrams, timed practice exams and spaced review.
Monthly
Renews monthly until you cancel
Every unit, exam and drill. Cancel anytime in two clicks.
Yearly
Best valueAbout $4.92 a month · we email you before it renews
Covers A&P I and II back to back. Save 62% vs monthly.
Founding member
200 leftOne-time payment, no renewals
Pay once, keep it forever, including every future update.
Sales open soon
Join the list and we'll email you when founding memberships open. Units 1–3 are free right now.
Can I cancel anytime?
Yes. Settings → Manage billing → Cancel. It takes two clicks, and you keep access until the end of the period you already paid for.
Will I get a reminder before a yearly renewal?
Yes. We email you before every yearly renewal, so it never surprises you.
Refunds
Email us within 7 days of any payment, including a renewal, for a full refund. No questions.
Can I switch between monthly and yearly?
Yes, anytime from Manage billing. The switch is prorated, so you only pay the difference.
What happens to my progress if I cancel?
It stays. Units 4–29 lock again; the free units, notes and terminology stay open, and everything comes back if you resubscribe.
Does it work on all my devices?
Yes. Sign in on any phone or laptop and your progress follows you.