CDL Permit & Air Brakes Test

Walk into your CDL knowledge test ready. CDL Prep gives you 2,587 practice questions with a clear explanation for every single answer, so you don't just memorize the right choice - you understand why it's right and why the others are wrong. Built for new and returning commercial drivers preparing for the CDL written test at the DMV.

WHY IT WORKS
Passing isn't about cramming the manual. It's about repeated, targeted practice across every area the test covers - then reinforcing exactly what you got wrong until it sticks.

- 2,587 questions written to match the real test's style and difficulty
- An explanation on every answer, so each question teaches you something
- 15 full topics covering general knowledge and endorsements:
Vehicle Inspection - Vehicle Control & Backing - Shifting & Transmission - Seeing & Signaling - Space Management - Speed Management - Hazard Awareness - Emergencies & Skids - Accidents, Fire & Hazmat - Cargo & Weight - Air Brakes - Combination & Coupling - Doubles, Triples & Tankers - Passenger & School Bus - Regulations & DUI

STUDY YOUR WAY
Fit prep around a full shift or a quiet weekend - your call.

- Daily Plan that sizes itself to your test date and keeps you on pace
- Quick 10 for a fast review on a break
- Timed Mode to build test-day speed and confidence
- Smart Review using spaced repetition to resurface weak spots before you forget them
- Full-Length Mock Exam that simulates the real thing end to end
- Missed Questions queue so nothing slips through
- Custom Quiz to drill any topic or endorsement on demand

PICK YOUR STATE
The CDL knowledge test is federally standardized but administered by your state DMV. Choose your state during setup so your prep reflects where you'll test.

TRACK YOUR PROGRESS
Know exactly where you stand before test day.

- Pass probability that updates as you practice
- Accuracy broken down by topic so you study what actually moves the needle
- Streaks to keep you consistent
- Test countdown that keeps the date front and center

WHO IT'S FOR
Anyone preparing for a Commercial Driver's License knowledge test - Class A, Class B, or endorsements - whether it's your first time or you're brushing up before renewal.

START TODAY
Your test date isn't moving. Start a free trial, take your first Quick 10 today, and watch your pass probability climb. Thousands of explained questions, one clear goal: pass on the first try.

---

SUBSCRIPTION DETAILS
Full access is available through an auto-renewing subscription:
A free trial is available for new subscribers.

Payment will be charged to your Apple ID account at confirmation of purchase. Your subscription automatically renews unless auto-renew is turned off at least 24 hours before the end of the current period. Your account will be charged for renewal within 24 hours prior to the end of the current period. You can manage and cancel your subscriptions by going to your App Store account settings after purchase. Any unused portion of a free trial period, if offered, will be forfeited when you purchase a subscription.

Terms of Use: https://hermesdigitalbr.github.io/cdl-legal/terms.html
Privacy Policy: https://hermesdigitalbr.github.io/cdl-legal/privacy.html