CDL Prep9.13 - Google Play
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Publisher Description
Pass your state General Knowledge CDL exam with the help of CDL Prep.
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.
5. Performance tracking - Review your performance on every question. Red = You have an average score less than 70%, Orange = You have an average score between 70-89%, Green = You have an average score of 90% and above.
Please send any feedback or request to: CDLPrepApp@gmail.com. Thank you and good luck on your exams!
About CDL Prep
The company that develops CDL Prep is Jeffrey Diaz. The latest version released by its developer is 9.13.
To install CDL Prep on your Android device, just click the green Continue To App button above to start the installation process. The app is listed on our website since 2026-08-07 and was downloaded 0 times. We have already checked if the download link is safe, however for your own protection we recommend that you scan the downloaded app with your antivirus. Your antivirus may detect the CDL Prep as malware as malware if the download link to com.jeffreydiaz.android.app.cdlprep is broken.
How to install CDL Prep on your Android device:
- Click on the Continue To App button on our website. This will redirect you to Google Play.
- Once the CDL Prep is shown in the Google Play listing of your Android device, you can start its download and installation. Tap on the Install button located below the search bar and to the right of the app icon.
- A pop-up window with the permissions required by CDL Prep will be shown. Click on Accept to continue the process.
- CDL Prep will be downloaded onto your device, displaying a progress. Once the download completes, the installation will start and you'll get a notification after the installation is finished.
Program Details
System requirements
Download information
Pricing
Version History
version 9.13
posted on 2026-08-07
Minor bug fixes and grammatical corrections.
version 9.11.1
posted on 2026-05-18
Minor bug fixes and performance improvements
version 9.5.3
posted on 2025-04-04
Added edge-to-edge support, implemented minor bug fixes and performance improvements.
version 9.3
posted on 2024-08-09
Minor bug fixes and grammatical improvements.
version 9.2.1
posted on 2024-04-29
Minor bug fixes and user interface improvements.
version 8.3
posted on 2022-01-05
Proper implementation of dark mode and minor bug fixes.
version 8.0
posted on 2021-05-06
Updated "See Why" section information, and corrected grammatical errors.
version 7.5
posted on 2020-09-07
Corrected grammatical mistakes and fixed a bug which caused crashes for some users.
version 7.4
posted on 2020-07-27
Fixed bug affecting some users and made grammatical improvements.
version 7.3
posted on 2020-06-25
Added a "Skip" question button to Exam Mode, and made grammatical improvements.
Disclaimer
Official Google Play Link
We do not host CDL Prep on our servers. We did not scan it for viruses, adware, spyware or other type of malware. This app is hosted by Google and passed their terms and conditions to be listed there. We recommend caution when installing it.
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