CDL vs Smart CDL

Pass your CDL knowledge test the first time. CDL Prep is built from the official CDL manual — every question written to exam style, every answer explained, every fact cited back to the manual section it comes from. WHAT YOU GET • 886 practice questions across all 8 sections: General Knowledge, Air Brakes, Combination Vehicles, Hazmat, Tanker, Doubles/Triples, Passenger, and School Bus • Free 20-question diagnostic that finds your weak spots in minutes • Exam simulator with real test conditions and an optional timer • Smart review: the app tracks what you miss and brings it back until you know it — flag any question to study it later • Pre-trip inspection trainer: the full Class A checklist with word-for-word "point and say" scripts, plus a recite mode that drills it into memory • Study notes: the manual's high-yield facts condensed into quick reading for every section • Exam readiness score so you know when you're actually ready to book the test • Daily streaks to keep you consistent • Works 100% offline — study anywhere, no signal needed EVERY STATE The CDL knowledge test follows the same federal standard (49 CFR 383) in all 50 states. Pick your state and CDL Prep personalizes the app and links you to your state's DMV. FREE TO START The diagnostic, study notes, smart review, and pre-trip walkthrough are free, plus 2 practice tests per core section. Go Premium for unlimited tests, all 5 endorsements, and the pre-trip recite mode. Download CDL Prep and pass with confidence.

SMART CDL — CDL PREP BUILT FOR YOUR STATE Study for your commercial driver license with practice questions written for your state — not generic content recycled across all 50 states. Pick your state, CDL class and endorsements, and the app shows only the material you actually need. TRY IT FREE No account. No sign-up. No card. Before you pay for anything, you get: • The official CDL handbook for any state — downloadable for offline reading • The Introduction study cards • Both CDL Skills Test topics • Part 1 of every General Knowledge quiz — 60 practice questions STUDY CARDS Plain-language cards covering what your state's manual expects you to know: • Vehicle inspection • Safe driving • Transporting cargo • Air brakes • Combination vehicles • Every endorsement PRACTICE QUIZZES More than 1,100 questions, split into short 15-question parts so you can study in the time you actually have. Every part is scored, and your place is saved — stop mid-part and pick up where you left off. FULL-LENGTH PRACTICE EXAMS Built the way the real tests are: no feedback between questions, and 80% to pass — the same threshold your state uses. • General Knowledge — 50 questions sampled across every subtopic • Endorsement exams — 20 to 30 questions each ENDORSEMENTS Doubles and Triples • Hazardous Materials • Passengers • School Bus • Tank Vehicles Study cards, quizzes, and a full-length practice exam for each. THE OFFICIAL HANDBOOK — ALWAYS FREE Download your state's CDL manual and read it in the app, with a table of contents and your place kept between sessions. WORKS OFFLINE Apart from downloading the handbook, everything works with no connection. Study in the yard, in the cab, or anywhere with no signal. YOUR DATA STAYS ON YOUR PHONE No account. No ads. No tracking. Your name, your state, and your progress are stored on your device and never sent anywhere. PAY ONCE No subscription. Unlock everything, or just the one topic you need. Purchases are permanent and restore free of charge on any device signed in to the same Google account. OFFICIAL SOURCES Each state's CDL manual is downloaded directly from that state's own licensing agency — nothing is re-hosted or altered. Every official source, for all 50 states and for the federal regulations, is listed here: https://qaresearch10.github.io/smartcdl-site/sources.html IMPORTANT Smart CDL is an independent study aid. It is not a government app and does not represent any government entity. It is not affiliated with, endorsed by, or a substitute for any state driver licensing agency, the Federal Motor Carrier Safety Administration, or any other government authority. Always verify current requirements with your state licensing agency before taking a test.