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What PreMedulla costs.

CARS practice is free. The AI reads your reasoning and tracks your patterns for $29/month. The full four-section tutor is $49/month.

Start free. No card needed.

Free

$0

Practice CARS, free.

What you get

  • Original CARS passages
  • Predict mode: commit your reasoning, then check it against a clear explanation
  • The CARS Method: guides that teach how to read, predict, and eliminate
  • Practice drills
  • No card, no catch
Start free
Recommended

CARS

$29/mo

Get your reasoning graded.

What you get

  • Everything in Free
  • The AI reads the reasoning you type and names the exact move you missed, not just whether you got the answer right
  • It tracks which traps keep catching you across passages and builds a profile over time (ChatGPT forgets every session)
  • CARS-plus coaching
Start CARS (coming soon)

Full MCAT

$49/mo

The whole exam.

What you get

  • Everything in CARS
  • The full four-section tutor: science textbook, flashcard decks, and a diagnostic
  • A study plan across all four sections that adapts as you practice
Go full MCAT (coming soon)

Paid tiers open soon. Sign up free now and you lock today's prices when they do.

Pricing questions.

What's actually free, and what stays free?

Original CARS passages, predict-mode practice, and the CARS Method guides are free and stay free. No AI runs on the free tier. The CARS tier ($29/mo) adds AI grading of your typed reasoning and pattern tracking across passages. The Full MCAT tier ($49/mo) adds the full four-section tutor.

When can I actually pay for this?

Paid tiers open soon. Start free now and we'll email you when they're live. No card on file until you choose a tier.

Why $29 and not $9?

$29 covers the cost of AI reasoning grading on every practice question and still leaves room to build the product. Cheaper options exist and use cheaper models. The reasoning grade is what makes the CARS tier work, and it costs real money to run well.

Why would I pay $29 for CARS when I could just pay $49 for everything?

If you need the full four sections, pay $49. But a lot of MCAT students are strong in the science and only stuck on CARS. Paying $49 for a science tutor they won't use doesn't make sense. The CARS tier is for them.

Can I switch tiers later?

Yes. Upgrade or downgrade month to month. Your error-pattern profile travels with you across tiers. Nothing resets.

What's in the Full MCAT tier exactly?

Everything in the CARS tier, plus a science textbook for all four sections, flashcard decks, a science diagnostic, and a four-section study plan that adapts as you practice. CARS is still the center of it, just with everything else added around it.

Do you offer refunds?

Yes. If the first month doesn't help, email Sean and you get the month back. One person reading the inbox right now, so it's a real reply, not a ticket queue.

Is there a student discount?

Every tier is the student price. PreMedulla exists because the personalized feedback layer was priced out of reach for most self-studiers. The whole point is the price you see.

Get started.

Sign up free. We'll send your first diagnostic to your inbox.

No card. No catch. One free diagnostic.