Pass your CDL test the first time
855 CDL practice test questions based on the official FMCSA manual — every answer explained. Works 100% offline.
Download the app — pick your store
Install without paying and try it first. One purchase unlocks the full course — the same on Google Play, App Store and Microsoft Store.

Try 8 questions right here
Real questions from the app, with the same explanations. Nothing to install.
What the app looks like
Why our students pass
Based on the official CDL Manual (FMCSA model) — the same book the real test is based on.
Regulatory, warning, construction and truck-specific signs — the full set you can be tested on, plus the ones you meet on the road every day. Drill them until you recognize each one instantly.
Official federal-standard vector artwork — the signs look exactly like on the road. Exam-required signs are marked EXAM
Not just right or wrong — a clear explanation of why, so the rule sticks instead of being memorized and forgotten.
A single file that opens in any browser on your phone, tablet or computer. Study in your truck, at the parking lot, no internet needed.
Per-section and overall counters, training and exam modes, go back to previous questions, reset progress.
Three tests, exactly like the DMV gives them — General Knowledge, Air Brakes, Combination Vehicles. Same 80% federal passing score, same PASS/FAIL. The exam screen behaves like the real one too: skip a question, flag it to come back to, review everything before you submit.
40 key trucking terms with instant search, plus an interactive RODS logbook trainer (duty status, Personal Conveyance, Yard Move).
The core CDL theory follows one national FMCSA standard, so the same material is on the test wherever you sit it. Pick your state and you get its official CDL manual and the agency that issues the license — all 50 states and DC — plus only what actually differs from the national standard: permit validity, third-party testing, extra requirements.
Air Brakes and Pre-Trip Inspection drawn out — compressor, governor, S-cam brake, slack adjuster, spring brake chamber, glad hands, fifth wheel, landing gear, suspension, tires. Every numbered part is explained, so you can name what the examiner points at.
25 photos from the driver's seat, 8 seconds to decide: Brake / Ease off / Nothing. Built on the Dutch CBR scheme — the habit of reading the road before it turns into an emergency.
Every section boiled down to about 10 simple sentences, plus search across the whole app — questions, explanations, summaries and glossary in one place.
Open How to Use on the Home screen: 18 sections covering every screen and all 135 buttons, with what each one does. Tap a section to expand it. It opens without a purchase and works offline.
15 sections — everything on the test
Plus two hands-on trainers that aren't question sets — a paper Daily Log Book and a real ELD simulator — and a trucking terms glossary.
Where to get it
An icon on your home screen, so studying fits into the gaps in the day: in the cab, waiting at the DMV, on a break. Also runs on Apple Silicon Macs. One purchase — new questions and features arrive free.
Phones and tablets, fully offline once installed — the entire question bank travels with you, no signal needed. One purchase — every update from here on is free.
The whole app on a big screen. Best for sitting down at home and working through the long explanations, the terms glossary and the ELD logbook trainer in comfort. One purchase — future updates included, free.
FAQ
They are based on the official CDL Manual (FMCSA) — the source the real exam is built from. The English wording is always shown.
No. One purchase — yours forever, updates are free.
Mostly, yes. The core CDL knowledge (FMCSA's Model CDL Manual) is the same nationwide, but some states add their own rules — always check your state's current CDL manual before the exam. The app covers all 50 states and DC: pick yours and you get a link to its official manual and to the agency that issues the CDL, plus only what differs from the national standard — permit validity, third-party testing, extra requirements. That information reflects the situation as of the app's release.
Yes — official MUTCD/FHWA artwork (the U.S. federal standard), the same drawings used on American road signs.
Every question is unique and based on the official FMCSA CDL Manual — we don't pad the bank with repetitive rephrasings just to inflate the count.
The Home screen has a How to Use section. It goes through every screen and every button — 135 of them — and says what each one does, with the buttons drawn exactly as they look in the app. It opens without a purchase and works offline.