CDL Prep
CDL Prep App Info
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App Name
CDL Prep
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Price
Free
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Developer
Jeffrey Diaz
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Category
Education -
Updated
2026-01-01
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Version
9.9
Frequently Asked Questions
How do I start using CDL Prep after installing the app?
Open the app, create a free account, and select your desired exam or endorsement to begin studying or practicing questions.
Can I use CDL Prep offline without internet?
Yes, once downloaded, you can access study materials offline by enabling offline mode in Settings > Offline Mode.
What are the main features of CDL Prep's exam mode?
Exam Mode simulates real tests with timed questions, randomized answer options, and provides a final score for performance review.
How does Practice Mode help me prepare better?
Practice Mode lets you answer questions at your own pace, with instant feedback and explanations to understand mistakes.
What is answer randomization, and why is it important?
Answer randomization shuffles answer positions each time, preventing memorization and mimicking real exam conditions for authenticity.
How can I track my progress and improve over time?
Go to Performance Tracking in the app to see color-coded scores and monitor your improvements across different topics.
Are there any subscription fees or in-app purchases for CDL Prep?
The app offers free features; premium content or features may require a subscription, which can be managed in Settings > Subscription.
How do I subscribe or cancel a subscription in CDL Prep?
Go to Settings > Account > Subscriptions to manage or cancel your subscription directly through your device's app store settings.
What should I do if the app crashes or isn't working properly?
Try restarting your device, ensuring the app is updated, or reinstall the app. Contact support via Settings > Help if issues persist.
Can I customize my study sessions or question sets?
Yes, you can select specific topics and customize practice questions in Study Mode or create personalized quizzes within the app.
