Review books are still the foundation of most AP prep — but they're slow, static, and can't give you feedback on your practice answers. Here's how the top series compare, plus when to use them and when to skip to a practice app.
Princeton Review's "Cracking the AP" Series
Best for: Strategy-focused students who want test-taking tips.
Strengths: Clear writing, full-length practice tests, solid strategy chapters.
Weaknesses: Practice questions tend to be slightly easier than the actual AP. Limited writing feedback (just sample essays).
Barron's AP Series
Best for: Deep content review for hard sciences and math.
Strengths: Most comprehensive content coverage, harder practice questions that prep you for the real exam.
Weaknesses: Dense, intimidating writing. Often more material than you need.
5 Steps to a 5
Best for: Students who want a step-by-step study plan.
Strengths: Organized study schedule, accessible writing, decent practice tests.
Weaknesses: Content coverage is shallower than Barron's. Lighter on strategy than Princeton Review.
What Review Books Can't Do
No review book can grade your DBQ, LEQ, or FRQ. They show you sample responses, but they can't tell you why your answer earned 4/6 instead of 6/6. That's where a tool like AimFive matters — rubric-scored feedback on every essay so you learn exactly what graders penalize.
The Combo That Actually Works
- One review book for initial content (Princeton Review for most students, Barron's for sciences).
- AimFive for practice + writing feedback across MCQ, FRQ, DBQ, LEQ, and SAQ.
- College Board's released exams for final timed prep in the last 2 weeks.
Best AP Study Apps · AimFive vs Princeton Review · AimFive vs Barron's
AP and Advanced Placement are trademarks of College Board. AimFive is not affiliated with or endorsed by College Board.