Prep smarter.
Score higher.
AI-powered test prep for the SAT, ACT & AP exams. Full-length practice tests, adaptive study plans, and an AI tutor that knows exactly where you need help.
99
Practice Tests
33+
AP Subjects
AI-Powered
Score Predictions
Free
SAT & ACT Prep
Why CramClub?
The smartest way to prep for your exams
CramClub combines full-length practice tests, an AI tutor that explains every wrong answer, adaptive study plans that target your weak spots, and gamification that keeps you studying every day. Free SAT & ACT prep included.
99 Full Practice Tests
SAT, ACT, GRE, GMAT, and MCAT — timed, adaptive, with detailed score reports and percentile rankings.
AI Tutor — Professor Cramster
Get instant explanations for every wrong answer. Cramster identifies your weak spots and teaches concepts you missed.
33+ AP Exam Subjects
Full question banks with scoring rubrics, content domain coverage, and detailed explanations for every AP exam.
Adaptive Study Plans
AI-generated study plans that adjust daily based on your performance, targeting the areas where you'll gain the most points.
Score Predictions
Know your predicted score before test day. Track your progress and see exactly how much you've improved.
Gamified Studying
Earn XP, maintain streaks, compete on leaderboards, and challenge friends to study battles. Studying shouldn't feel like studying.
Test Prep
Master the SAT®, ACT® & AP® exams with adaptive practice tests, AI-powered explanations, and personalized study plans that target your weak areas.
Test Prep
SAT® • ACT® • AP® • GRE® • GMAT™ • IB • MCAT • Certs
2h 14min
400-1600
Digital adaptive test with section-level scoring
Key Features
19
Full Practice Tests
15K+
Questions
SAT® is a registered trademark of the College Board. ACT® is a registered trademark of ACT, Inc. AP® is a registered trademark of the College Board. GRE® is a registered trademark of Educational Testing Service (ETS). GMAT™ is a trademark of the Graduate Management Admission Council (GMAC). MCAT® is a registered trademark of the Association of American Medical Colleges (AAMC). IB® is a registered trademark of the International Baccalaureate Organization (IBO). AWS® is a registered trademark of Amazon Web Services, Inc. CompTIA® is a registered trademark of the Computing Technology Industry Association. PMP® is a registered trademark of the Project Management Institute (PMI). None of these organizations are affiliated with, or endorse, CramClub. All practice content is original and created independently for educational purposes.
Meet Professor Cramster
Your AI tutor who never judges, never gets tired, and explains things your way.
- Personalized hints without giving away answers
- Available 24/7 for any subject
- Explains concepts in your learning style

Students ask things like
How It Works
From your first diagnostic to test day — a clear path to a higher score.
Take a Diagnostic
A short adaptive test finds your starting score and identifies weak areas.
Get Your Plan
AI builds a personalized study plan targeting the topics where you'll gain the most points.
Practice & Review
Take full practice tests. Professor Cramster explains every wrong answer step-by-step.
Score Higher
Watch your predicted score climb as you master each topic. Show up to test day ready.
Built-In Study Tools
Flashcard decks, spaced repetition review, study plans, writing lab, and a mistake journal — everything you need alongside your test prep.
Flashcard Decks
Create, share, and study custom decks with spaced repetition and a matching game.
Review Queue
Unified spaced repetition across all subjects — never forget what you learned.
Study Plans
Create personalized study plans with goals, deadlines, and progress tracking across all subjects.
Quiz Battles
Challenge friends to real-time quiz duels and climb the leaderboard.
Writing Lab
Practice essays with AI grading, rubric feedback, and growth tracking.
Mistake Journal
Track every wrong answer, review explanations, and turn weaknesses into strengths.
Gamified Learning
Earn XP, climb through 11 rank tiers, collect badges, and compete on leaderboards. Weekly challenges, friend streaks, rescue flares, item gifting, leagues, and streak repair keep you engaged every day.
Level Up Your Learning
XP • Ranks • Rewards
Rank Progression
Features
Daily Streaks
Build a study habit with streak tracking and XP multipliers up to 2x
100+ day milestones
Badges & Achievements
Earn badges for streaks, mastery, perfect scores, and milestones
20+ badges to earn
Cram Crates
Earn loot crates from leveling up and hitting streak milestones
Items from Common to Legendary
Leaderboards
Compete with friends and climb the global rankings by XP and streak
Daily, weekly & all-time
Rescue Flare
Save a friend's streak by sending them a Rescue Flare — grants a free streak freeze
Help friends stay on track
Item Gifting
Gift items from your inventory to friends — streak freezes, XP boosts, and more
Share the love
Weekly Challenges
Compete in automated weekly XP challenges among friends for crystal prizes
1st place wins 50 crystals
Streak Protection
Streak freezes, grace periods, streak repair, and friend rescue keep your streak safe
Never lose your progress
11
Rank Tiers
20+
Badges
Daily
Streaks
Global
Leaderboards
Weekly
Challenges
Social
Gifting & Rescue
Try It Yourself
InteractiveClick through the tabs to explore how CramClub works — this is the real UI.
Question 1 • MC
Which choice BEST supports the claim in the passage?
Teacher-style multiple choiceQuestion 2 • MATH
Solve the quadratic equation:
Math with symbolic gradingx^2 - 5x + 6 = 0Math input field (LaTeX support)
Question 3 • CODE
Write a function that returns the sum of two numbers.
Code with test casesfunction add(a, b) {
// Your code here
}Ready when you are
Study like it's a real test. Because it is.
99 full-length practice tests, 33+ AP exam subjects, adaptive study plans, AI tutoring, and score predictions — start your first practice test in minutes.
Access lasts through the trial • Private uploads by default