CDL Prep Truck
Pass your CDL the first time
About
Prepare for your Commercial Driver's License (CDL) exam with a comprehensive study aid. Access hundreds of practice questions, full timed simulations, and a detailed pre-trip inspection guide. Study smarter with personalized review and track your progress to pass on your first attempt.
What's New in CDL Prep Truck
1.0
June 23, 2026
Subscription plans
CDL Prep Pro
Unlimited practice, exam sims, and pre-trip guide
In-App Purchases
$79.99
Lifetime
Unlock CDL Prep forever. One-time purchase.
Developer apps
FAQ
How many practice questions does CDL Prep Truck offer?
CDL Prep Truck provides 262 real practice questions covering General Knowledge, Air Brakes, and Combination Vehicles. It also includes questions for all six endorsements like Hazardous Materials and Tanker.
Does CDL Prep Truck offer full exam simulations?
Yes, CDL Prep Truck features full timed exam simulations that mirror the length and pass threshold of the real DMV test. You can navigate freely and review your answers after submission.
What is included in the free version of CDL Prep Truck?
The free tier of CDL Prep Truck offers General Knowledge practice questions and limits users to 20 questions per day. To unlock all categories, endorsements, and unlimited practice, a Pro subscription is required.
What are the subscription options for CDL Prep Truck?
CDL Prep Truck offers a 3-day free trial for its Pro version. Subscription plans include weekly ($4.99/P7D), annual ($39.99/P1Y), and Lifetime options, providing full access to all features.
How does CDL Prep Truck help with the pre-trip inspection?
The app includes a comprehensive pre-trip inspection guide covering 54 walkaround items. It details what to check and provides the exact verbal callouts needed to impress the examiner.
Can I study CDL Prep Truck offline?
The description does not explicitly state offline capabilities. However, features like hands-free audio narration suggest it can be used in situations where screen interaction is limited, such as in a truck stop or cab.
How often is CDL Prep Truck updated?
The app was last updated on June 23, 2026, with version 1.0. Further update frequency is not specified, but it is noted as an independent study aid, implying it aims to stay current with regulations.
What devices support CDL Prep Truck?
CDL Prep Truck is available for iPhone and iPad devices. It is rated for ages 4 and up.