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by Jeffrey Diaz
Education · Free · 4+ · Released Apr 2016
CDL Prep makes about $11K per month on the US App Store (Bloxks estimate, November 2026).
Est. revenue / mo
$11K
Low confidence
Downloads / mo
6.5K
Estimated
Top grossing rank
—
Not ranked
Rating
★ 4.7
7.0K reviews
Not enough history yet: this app hasn’t stayed in the top grossing chart long enough.
CDL Prep is the best way to prepare for the Commercial Drivers License General Knowledge, and various endorsement exams. CDL Prep contains questions on the following topics: General Commercial, Air Brakes, Combinations, Hazmat, Passenger, Tanks, School Bus, and Doubles/Triples. Features: 1. Over 500 questions to practice with. 2. Exam Mode - 60 minutes to answer 50 randomly chosen questions, or 40 minutes to answer 20 to 30 questions on endorsement topics. At the end, review your score and any incorrect answers. 3. Practice Mode - Answer questions and receive instant feedback if you answered incorrectly. 4. Answer Randomization - Answers to questions will not always be in the same position. Please send any feedback or request to: CDLPrepApp@gmail.com. Thank you for reading, and good luck on your exams!
Estimates based on public App Store data (United States). These are not official figures.
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