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Prep101 vs Princeton Review MCAT
Trying to decide between Prep101 and Princeton Review? Determine which MCAT course is best for you in this guide
Princeton Review has been one of the most popular names in MCAT prep for decades. However, new companies like Prep101 have recently emerged to give aspiring medical school students more choices than ever. In this comparison, we cover the pros and cons you need to be aware of so you can make a final decision as to which prep course is the better fit for your learning style and budget.
Given that this is a lengthy, detailed comparison, we’ve included jump-to links above for your convenience.
Video: Princeton Review or Prep101?
In the video above, John from the Test Prep Insight team compares and contrasts the MCAT prep courses from Prep101 and Princeton Review. For more detail, be sure to continue reading our full, written comparison below.
Let’s start this article by discussing price, which is pretty simple with these two courses.
Princeton Review offers a few different course options ranging from $1,600 up to $7,000+.
Prep101 now also offers three tiers: a Self-Paced course starting at $1,500, their Live Online course at around $2,900, and a premium 515+ course at around $4,000. **Note: this Self-Paced course will go live at end of March 2026.
Simply put, and putting aside Princeton’s ultra premium course, the pricing between these two companies is roughly on par. Prep101’s Live Online course runs around $2,900, which matches Princeton Review’s comparable Ultimate course. Where Prep101 has a slight edge is on the self-paced side, coming in around $100 cheaper than Princeton Review’s self-paced option.
That said, Princeton Review tends to be more aggressive with sales and promotions, regularly offering discounts in the 15% range. Prep101 also runs promotions, typically a few hundred dollars off, so be sure to check for coupon codes before buying either course.
In order to keep this comparison narrowly focused, I’m going to run down the key areas where I see each company winning and having an advantage over the other. I’ll do this as opposed to simply providing an overview of each prep course, as we have full reviews for that.
Therefore, let’s start with Prep101. I have them winning in four key categories.
Live MCAT Classes
Prep101 beats Princeton Review when it comes to live class time. Prep101 provides 154 hours of live instruction, while the Princeton Review Ultimate course comes with 123 hours. However, it’s not just quantity that matters. We also loved Prep101’s classes themselves.
The Prep101 MCAT live classes are the clear highlight
The Prep101 instructors are awesome, and the classes are great for driving home need-to-know, high-yield material. The live classes are very good, with a smart structure each session, and are right up there with Kaplan and Blueprint. You really can’t go wrong with Prep101’s classes.
MCAT Coaching
Next, I like that with Prep101, each student gets their own MCAT coach to essentially hold their hand throughout the entire prep process.
Your coach will help you design your specific study plan, they’ll answer any strategy-related questions you may have, and just generally help keep you motivated and on-track to reach your goal.
Overall, this feature just helps give the Prep101 course a more intimate and personalized feel.
It’s also worth noting that Prep101 uses a team of five subject specialists, one per MCAT section, rather than generalists teaching everything across the board.
CARS Instruction
One of the biggest differentiators with Prep101 is their dedicated focus on CARS. Prep101 devotes 40+ hours of instruction specifically to the CARS section, more than any other leading competitor.
For science-heavy students who struggle with critical reasoning and reading comprehension, this level of dedicated CARS coverage is a meaningful edge. Princeton Review certainly covers CARS, but no other course matches Prep101’s depth here, and it shows in student outcomes on that section.
Annotated Notes
Last, I’m a big fan of the Prep101 workbooks that track with the live classes. And I’m not really talking about the workbooks themselves, but rather the annotated notes that the Prep101 instructors have marked up in the margins for you.
The annotated notes are especially helpful
Not only do these notes help the material sink-in, but they’re also great for sort of flagging you where to direct your focus and attention. These annotated notes save you a lot of time and add real value.
Now that you have an idea of the areas in which Prep101 excels, let’s turn the tables and discuss the major advantages of using Princeton Review to help you get ready for the MCAT.
Why Princeton Review MCAT Is Better Than Prep101
Smart Course Structure
I love the design of the Princeton Review MCAT curriculum. It smartly builds on itself from the ground up and only advances to more complex tested topics after building a base in the fundamentals.
Learning modules follow the same repeated pattern, with assigned work before class, followed by the class itself, and then homework. Around this structure, you also have optional assigned readings and Topic Focus livestreams.
Princeton Review dashboard with look at their MCAT lessons
I found this coursework structure to better align with how my brain works and found it to be quite effective overall. In terms of curriculum design, I’d say Princeton Review is right there with Blueprint and Kaplan for best in the space.
Better Prep Books
Princeton Review is one of the stronger prep providers in the MCAT space when it comes to books. When you sign up for Princeton Review’s course, they will ship you 8 hardcopy prep books.
Seven of these cover subject specific review, while the other four are course-related workbooks.
The Princeton Review MCAT prep books
In short, they are detailed yet readable, and provide some amazing graphics and key point callouts. They are simply some of my favorite MCAT prep books.
Live Workshops & Office Hours
Next, I like that with Princeton Review, you get unlimited access to their Topic Focus livestream workshops and office hours.
Basically, Princeton Review’s MCAT instructors hold live webinars almost every night where they dive deep into specific MCAT topic weaknesses, and answer any questions that may have popped up during your studying.
One of Princeton Review’s Topic Focus sessions
And just to be clear, even students who purchase the basic self-paced course from Princeton Review get access to these sessions, which is a nice bonus.
In my opinion, these livestream workshops and Q&A opportunities add real value. Note that Kaplan’s MCAT courses also include access to these kind of livestream workshops.
With Princeton Review’s Self-Paced and Ultimate (Live Online) courses, the company offers a higher score guarantee or your money back.
Then for students who are looking to really crush the MCAT, Princeton also offers 515+ and 515+ Immersion courses, which as their names imply, include a guarantee that you will score at least 515 on the MCAT, which is worth noting.
These are strong guarantees, and not all prep companies are willing to make these kinds of commitments in the MCAT prep space. For comparison purposes, Prep101’s 515+ tier does include a money-back score guarantee, though their standard Live Online course only offers a free course repeat policy.
Best MCAT course for your learning style: quick guide
Best for…
Winner
Why
Students needing more live class time.
Prep101
Offers 150+ hours of live instruction, far exceeding the industry average. Great for structure-seekers.
Learners who prefer adaptive diagnostics.
Princeton Review
Provides advanced analytics, practice drills, and AI-powered diagnostics to track progress.
CARS section mastery.
Prep101
Strong focus on CARS strategies with daily reading sessions – particularly useful for Canadian and ESL students.
Full MCAT simulation realism.
Princeton Review
Includes multiple full-length MCAT practice tests closely mirroring AAMC’s official exams.
Budget-conscious users.
Prep101 (slightly)
Self-Paced starts at $1,500, giving budget-conscious students a legitimate lower-cost entry point.
Best all-rounder for US med school applicants.
Princeton Review
Deeper US market presence and stronger brand trust.
Verdict: Prep101 or Princeton Review?
It’s a genuinely close call between these two companies. Princeton Review has a lot going for it with its course structure, prep books, and unlimited live workshops. But after weighing everything, our team gives Prep101 the slight edge in this matchup. Between 154 hours of live instruction, a team of five subject specialists, dedicated MCAT coaching across all three tiers, and an unmatched 40-plus hours of CARS instruction, Prep101 simply offers more for most students.
Add in a lower entry price point and a money-back guarantee on the 515+ tier, and Prep101 is the stronger overall package.
What is the difference between Prep101 and Princeton Review?
The MCAT prep courses from Prep101 and Princeton Review differ in several ways, including pricing, live instruction, video lessons, and score guarantees. Prep101 is great for MCAT coaching and class time, while Princeton excels in course structure and video lessons.
Which MCAT prep course is better, Prep101 or Princeton Review?
After testing and evaluating the MCAT study materials from both companies, it’s an extremely difficult decision, but our team gives Prep101 a slight overall edge, particularly for students prioritizing live instruction and personalized coaching.
Does Princeton Review and Prep101 offer money back guarantees?
Princeton Review offers broad score guarantees across multiple tiers, while Prep101’s money-back guarantee is specific to their 515+ course.