CDL, Class 1 & Class A Prep

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About this app

Pass your commercial driver license exam with confidence.

CDL, Class 1 & Class A Prep helps you study for your commercial driver's
license with realistic, exam-style practice questions and full-length mock
tests — covering the US CDL knowledge exams (FMCSA) and Canadian Class 1 /Class A commercial licensing.

WHY CDL PREP

• Real exam-style questions — built around the official CDL and provincial handbooks, not generic trivia.
• Full-length mock exams — practice with realistic timing and scoring.
• Detailed explanations — understand the "why" behind every answer.
• Smart wrong-answer review — every question you miss is saved so you can master your weak spots.
• Track your progress — watch your accuracy improve by topic over time.
• Study anywhere, anytime — practice on your own schedule.

WHAT'S COVERED

United States — FMCSA CDL:
• General knowledge
• Air brakes
• Combination vehicles
• Endorsements and safe driving

Canada — Class 1 / Class A (by province):
• Ontario, Québec, Alberta and British Columbia
• Commercial vehicle operation and safety
• Air brakes and pre-trip inspection
• Provincial rules of the road

WHO IT'S FOR

• New drivers preparing for their first CDL or Class 1 license
• Professional drivers adding endorsements
• Anyone studying the commercial driver handbook

Start with free sample questions — no signup required. Unlock the full
question bank and unlimited mock exams anytime.

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DISCLAIMER
This app is an independent study aid and is not affiliated with,
endorsed by, or sponsored by the FMCSA, any provincial ministry of
transportation, or any other licensing authority. All practice content
is original and created for educational purposes.

What’s new

First release on Google Play!

- Practice questions for the US CDL knowledge exams and Canadian Class 1 / Class A licensing
- Covers General Knowledge, Air Brakes and Combination Vehicles
- Full-length quizzes that match the real test format
- Clear explanations for every question
- Mistakes notebook to review what you got wrong
- Progress tracking, and study in 12 languages