The smartest way to prepare for your Commercial Driver's License. 1,000+ practice questions, AI explanations, and proven study tools.
Built by CDL professionals with cutting-edge study technology
Practice mode, timed exams, and review mode. Simulate the real CDL test experience with instant feedback.
Our algorithm tracks questions you miss and brings them back at optimal intervals for maximum retention.
Get detailed, easy-to-understand explanations for every wrong answer. Learn why the correct answer matters.
Stay motivated with daily study streaks, progress tracking, and gamification that keeps you coming back.
No internet required. Study anywhere - on the road, at rest stops, or during downtime between loads.
Detailed analytics show your strengths and weaknesses across all categories. Know exactly where to focus.
Join the community of CDL holders who passed using our app
"Passed on my first try using ONLY this app! The spaced repetition feature made sure I really learned the material."
"The AI explanations are a game changer. Instead of just memorizing answers, I actually understand the regulations now."
"Used this during my breaks at work. The offline mode is perfect for studying at rest stops. Scored 96% on my exam!"
Start free, upgrade when you're ready to go all-in
Yes! All questions are aligned with the 2026 FMCSA (Federal Motor Carrier Safety Administration) regulations. We regularly update our question bank to match current exam standards.
We cover all major endorsements including General Knowledge, Air Brakes, Combination Vehicles, Hazardous Materials, Tanker, Doubles/Triples, Passenger, School Bus, and Pre-Trip Inspection.
Absolutely! All questions and explanations are stored locally on your device. No internet connection is needed to study - perfect for truck drivers on the road.
Spaced repetition is a scientifically-proven study method. The app tracks questions you get wrong and resurfaces them at optimal intervals, ensuring you truly learn and retain the material.
Yes! You can start studying for free with limited daily questions. Upgrade to Pro to unlock all categories, unlimited questions, and premium features like AI explanations.
Download now and start your journey to becoming a licensed commercial driver.
Download Free on the App Store