CDL Test Prep 2026 Class A B

Pass your 2026 CDL exam on the first try. Join over 1M+ drivers with 46,000+ reviews and a 4.9-star rating. Miss a question and you instantly see WHY: a plain-English breakdown of your specific mistake, why the right answer is right, and a tip to lock it in. Works 100% offline. Whether you are going for your CDL permit, Class A, Class B, or any endorsement, everything you need is in one app. WHY DRIVERS CHOOSE US • 46,000+ ratings at 4.9 stars — the most-reviewed dedicated CDL prep app • Class A and Class B — full coverage for both • All 50 states — questions matched to your local DMV • Free to start — practice the core question bank at no cost • Available in English and Spanish • Works offline — study on the road, no signal needed EVERY CDL ENDORSEMENT IN ONE APP • General Knowledge • Air Brakes • Combination Vehicles • HazMat (Hazardous Materials) • Tanker • Passenger Transport • School Bus • Doubles / Triples Plus ELDT theory coverage aligned with FMCSA Entry-Level Driver Training requirements. SMART STUDY FEATURES • Why You Missed It — instant plain-English explanations on every wrong answer • Passing Probability — see exactly when you are ready to book the test • Weak Question Review — the app rebuilds sessions around what you keep missing • Realistic Exam Simulator — timed tests that mirror the real DMV experience • Progress Tracking — scores, exam history, and improvement trends • Quick-Review Flashcards — rapid review for last-minute study • Handbook Mode — browse every question and explanation by topic HOW IT WORKS 1. Pick your state and the endorsements you need 2. Study leveled questions with instant explanations 3. Review the ones you missed until they stick 4. Take timed mock exams when Passing Probability says you are ready 5. Walk into the DMV knowing the material WHAT DRIVERS SAY "This is the only app that actually has the questions from the tests. Amazing!" "I used this app only — no handbook — and passed all three tests back to back!"