Practice with Purpose. Pass with Confidence.^™

CDL Practice Test^® is the original CDL exam prep app. Practice is free.

Prepare for the written exam for Class A, Class B, and every endorsement. Study with 1,600+ current questions, plain-English See Why explanations on every miss, CDL manuals for all 50 states, and official-length Exam Mode. Rated 4.8 stars from 6,000+ App Store reviews. Live support 9am–5pm CDT. No account required.

What’s included

• 1,600+ questions and answers, reviewed throughout the year
• Class A and Class B — every endorsement, including School Bus
• See Why explanations when you miss
• Progressive unlock — hit 80% and move on
• Official-length Exam Mode, by topic
• Flashcards for rapid review
• Offline study when you need it
• English & Spanish practice
• State CDL manuals for all 50 states
• Live support Monday–Friday, 9:00 AM–5:00 PM CDT

What you study

• General Knowledge
• Air Brakes
• Combination Vehicles
• Hazardous Materials (HazMat)
• Tanker
• Passenger
• Doubles / Triples
• School Bus

How it works

1. Open the app. No registration.
2. Practice by topic. Wrong answers get a plain-English See Why.
3. Score 80% to unlock the next set.
4. When you are ready, take Exam Mode before test day.
5. Walk into the DMV having already practiced the real format.

Practice is free. Exam Mode is optional. The question bank, See Why, and 50-state manuals are free. Exam Mode is available as an optional subscription for drivers who want the full-length simulator before test day.

Available on iPhone, iPad, and Android. Download CDL Practice Test^® today.