About
Prepare for your Commercial Driver's License exam with over 500 practice questions covering all major CDL sections and state-specific rules. Features smart study tools like automatic review of missed questions and progress tracking to ensure you pass on the first try.
What's New in CDL Prep Pro
1.0.6
May 7, 2026
• Earn bonus XP by watching short ads on your results screen — up to 3 boosts/day • Improved ad layout — banners now fit your device width • Smoother permission prompt on first launch • Performance and stability improvements
MoreIn-App Purchases
$19.99
Unlock All Sections
Unlock all CDL sections & full mock exam
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FAQ
What is CDL Prep Pro?
CDL Prep Pro is a mobile application designed to help users prepare for their Commercial Driver's License (CDL) exam. It offers a large question bank, state-specific rules, and smart study features to aid in learning.
How many practice questions does CDL Prep Pro have?
CDL Prep Pro includes over 500 real practice questions across all major CDL sections. These questions are designed to cover the core concepts and specific requirements for obtaining a CDL.
Does CDL Prep Pro cover state-specific rules?
Yes, CDL Prep Pro provides state-specific rules for all 50 states. This ensures that users are studying the local CDL laws relevant to their jurisdiction, in addition to general knowledge.
What are the smart study features in CDL Prep Pro?
Smart study features include Smart Review, which focuses on questions you've missed, bookmarks for saving difficult questions, progress tracking for accuracy and completion, and instant explanations after each answer.
Does CDL Prep Pro have ads?
Yes, CDL Prep Pro contains advertisements. However, users have the option to remove ads through a one-time in-app purchase, while all questions remain free.
Is CDL Prep Pro free to use?
The core functionality of CDL Prep Pro, including access to all practice questions and state-specific rules, is 100% free. There are no paywalls or locked questions. An optional in-app purchase is available to remove ads.
What devices is CDL Prep Pro available on?
CDL Prep Pro is currently supported on iPhone and iPod devices. The app is designed for iOS users looking for a convenient study tool.
How often is CDL Prep Pro updated?
The latest version of CDL Prep Pro is 1.0.6, which was last updated on May 7, 2026. This indicates recent development and potential for ongoing improvements and content additions.