CDL Exam · iPhone & iPadMake your CDL study time count.
Short topic quizzes, explanations after every answer, and practice tests across the CDL handbook. Pick a section, see what you know, and keep moving.
Free to start · No account needed · Optional Pro access
Built for steady progress
A little practice, a clearer picture.
Each session has a purpose. Study a topic, find out why an answer is right, and use your results to decide what to review next.
Choose one topic
Break 14 handbook sections into 140 smaller topics, from General Knowledge to School Buses.
Understand every answer
Get a clear explanation after each question, then revisit the ones you missed.
Try a practice test
Take a simulated knowledge test for a section and review your result at the end.
See where you stand
Follow your accuracy, section readiness, daily streak, and best test scores.
Made for the way you study
Don’t just memorize the right option.
The explanation after each answer helps you understand the rule behind a question. Practice tests let you try a full section, then review every miss before your next attempt.
- ✓ General Knowledge is free to study and test
- ✓ Practice endorsements and other sections by topic
- ✓ Track accuracy, readiness, streaks, and test history
The full study map
One place for all 14 CDL sections.
Start with General Knowledge, then focus on the vehicle and endorsement sections that apply to you. Your state’s CDL manual remains the source for official requirements.
Start with the fundamentals
- General Knowledge
- Driving Safely
- Transporting Cargo
- Rules and Regulations
Vehicles and endorsements
- Air Brakes
- Combination Vehicles
- Hazardous Materials
- Tanker Vehicles
- Doubles and Triples
- Passenger Vehicles
- School Buses
Inspection and driving skills
- Vehicle Inspection
- Basic Control Skills
- On-Road Driving
Good to know
CDL app questions, answered.
Can I start for free?
Yes. General Knowledge and its practice test are free, along with the first two topics of every other section. CDL Exam Pro opens the remaining topics and practice tests.
Does it cover CDL endorsements?
The app includes sections for Air Brakes, Combination Vehicles, Hazardous Materials, Tanker Vehicles, Doubles and Triples, Passenger Vehicles, and School Buses.
Do I need an account?
No account is needed to open the app and start studying. You can choose a nickname if you want to appear on the leaderboard.
Is this an official CDL test?
No. CDL Exam - Practice Test is an independent study app. Use your state's current CDL manual for official rules and requirements.
Ready for your next practice session?
Open General Knowledge for free, then build from there at your own pace.
Download CDL Exam on the App StoreIndependent practice only. Studencity is not affiliated with the FMCSA, AAMVA, any state DMV, or another government agency. A practice score does not predict an official test result.