Welcome! Here you'll find answers to the most common questions about the PassPrep - CDL Practice Test app.
1. What exam does the app prepare me for?
PassPrep covers the 2026 U.S. Commercial Driver's License (CDL) written knowledge test for Class A, Class B, and all federal endorsements.
2. Which CDL categories are included?
All 9 official categories: General Knowledge, Hazmat, Air Brakes, Combination Vehicles, Passenger Transport, School Bus, Pre-Trip Inspection, Tanker, Doubles & Triples — 1,025 questions total.
3. Are the questions up to date for 2026?
Yes. Questions follow the latest FMCSA-aligned CDL manuals and are reviewed regularly.
4. Are the questions identical to the real DMV test?
No. Real exam questions are confidential. PassPrep mirrors the format, difficulty, and topics so you can pass on the first try.
5. Does the app cover my state?
Yes — federal CDL content applies in all 50 states. Pick your state during onboarding to load the right handbook and target pass threshold (default 80%).
6. Does the app work offline?
Yes. The full question bank is bundled — no internet needed for practice sessions, exams, or reviews.
7. What is Learn Mode?
Drill by category with instant feedback, explanations, and unlockable level progression so you build mastery one topic at a time.
8. What is Exam Mode?
A timed simulator that mirrors the real CDL written test, including the 80% pass threshold and category mix.
9. What is Review Mode?