The Princeton Review vs UWorld:Which is more popular?
In September 2026, UWorld had more branded searches than The Princeton Review among MCAT prep courses in the United States. UWorld had about 8,100 branded searches, while The Princeton Review had 1,000. UWorld made up 22.4% of all MCAT prep course searches we track, and The Princeton Review accounted for 2.8%. When we asked ChatGPT and Google AI Overviews about MCAT prep courses, UWorld appeared in three of the five answers and The Princeton Review in two. UWorld was mentioned before The Princeton Review in two out of three answers.
Who do people search for more?
UWorld, about 8 searches for every 1 for The Princeton Review
Who does AI mention more?
UWorld, mentioned in 3 of 5 answers, The Princeton Review in 2
Who does AI recommend more?
UWorld, named ahead of The Princeton Review in 2 of 3 answers
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Top MCAT prep courses in ChatGPT and Google AI Overviews
In three ChatGPT questions and two Google AI Overviews, UWorld was mentioned in three out of five: in two of the three ChatGPT answers and in one of the two Google AI Overviews. The Princeton Review was mentioned in two out of five: in one of the three ChatGPT answers and in one of the two Google AI Overviews. UWorld was listed before The Princeton Review in two out of three answers.
Most recommended by AI
Brands get a higher ranking if they are mentioned earlier in the answers.
Mentioned by AI
Each dot is one answer, filled in when that answer mentions the brand.
- UWorld3 of 5Named in 2 of 3 ChatGPT answersNamed in 1 of 2 Google answers
Kaplan3 of 5Named in 2 of 3 ChatGPT answersNamed in 1 of 2 Google answers
Blueprint Prep3 of 5Named in 2 of 3 ChatGPT answersNamed in 1 of 2 Google answers
The Princeton Review2 of 5Named in 1 of 3 ChatGPT answersNamed in 1 of 2 Google answers
Jack Westin0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers
See every answer about MCAT prep courses
5 answers
Asked ChatGPT
“What's the best MCAT prep course?”
Asked ChatGPT
“Which MCAT question bank is the best?”
Asked ChatGPT
“How should I study for the MCAT in three months?”
Searched Google, AI Overview
“mcat practice test”
Searched Google, AI Overview
“mcat prep course”
Not named in any answer:
Brands are shown in the order each answer named them. The survey took place in United States on October 27, 2026.
Is The Princeton Review or UWorld more popular in search?
This chart shows how often people search Google for The Princeton Review and UWorld by name. Each line represents a brand's share of searches for all five MCAT prep course brands we track, month by month, from searches in United States.
Share of searches by month for UWorld, The Princeton Review. The figures are in the table below the chart.
View monthly share of searches table
| Month | Jack Westin | UWorld | Kaplan | Blueprint Prep | The Princeton Review |
|---|---|---|---|---|---|
| Oct 2025 | 48.9% | 21.8% | 14.5% | 11.9% | 2.9% |
| Nov 2025 | 51.4% | 22.9% | 12.5% | 10.2% | 3% |
| Dec 2025 | 46.6% | 25.4% | 13.9% | 11.3% | 2.7% |
| Jan 2026 | 51.6% | 23.1% | 12.6% | 10.3% | 2.5% |
| Feb 2026 | 55.5% | 20.3% | 11.1% | 11.1% | 2% |
| Mar 2026 | 51.6% | 23% | 12.6% | 10.3% | 2.5% |
| Apr 2026 | 51.4% | 22.9% | 12.5% | 10.2% | 3% |
| May 2026 | 46.6% | 25.4% | 13.9% | 11.3% | 2.7% |
| Jun 2026 | 54.1% | 24.2% | 10.8% | 8.8% | 2.1% |
| Jul 2026 | 54.2% | 24.2% | 10.8% | 8.8% | 2% |
| Aug 2026 | 51.7% | 23.1% | 12.6% | 10.3% | 2.3% |
| Sep 2026 | 50% | 22.4% | 14.9% | 9.9% | 2.8% |
How has the The Princeton Review and UWorld comparison changed over the last 12 months?
3 findings
- UWorld was ahead of The Princeton Review in every measured month of the 12 months ending September 2026.
- Across the 12 months ending September 2026, The Princeton Review’s share of searches among MCAT prep courses in the United States moved from 2.9% to 2.8%, and its estimated monthly branded searches moved from 1.3K to 1K.
- Across the 12 months ending September 2026, UWorld’s share of searches among MCAT prep courses in the United States moved from 21.8% to 22.4%, and its estimated monthly branded searches moved from 9.9K to 8.1K.
How did search popularity change for United States MCAT prep courses in September 2026?
2 changes
In September 2026, UWorld lost share of searches among MCAT prep courses in the United States, from 23.1% to 22.4%.
Estimated monthly branded searches for The Princeton Review in the United States fell 23.1% over 12 measured months, from 1.3K to 1K in September 2026.
How are branded searches counted?
2 search terms
Brandwave collects information about searches that people make online using The Princeton Review’s and UWorld’s names. When viewed over time, estimated search volumes for these branded terms can be used to understand whether interest in the brands is growing, holding steady, or fading.
The Princeton Review
1 branded search term
- princeton review mcat
UWorld
1 branded search term
- uworld mcat
Other head-to-heads among MCAT prep courses
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