CDL Prep - CDL exam prep & practice
Get ready for your CDL with 500+ questions, customizable exam modes & performance tracking to ace your test!

- 9.5.3 Version
- 3.2 Score
- 606K+ Downloads
- Free License
- 3+ Content Rating
Introduction
CDL Prep is an excellent resource for studying for the General Knowledge exam and various endorsement tests required for a Commercial Driver's License. It features questions covering a range of subjects including General Commercial, Air Brakes, Combinations, Hazmat, Passenger, Tanks, School Bus, and Doubles/Triples.
Features:
1.A collection of over 500 practice questions.
2.Exam Mode - You have 60 minutes to answer 50 randomly selected questions or 40 minutes for 20 to 30 questions focused on endorsement topics. After completing, you can review your score along with any incorrect answers.
3.Practice Mode - Engage with questions and receive immediate feedback if your answers are incorrect.
4.Answer Randomization - The options for answers will vary in position each time.
5.Performance Tracking - Assess your performance on each question. Red indicates an average score below 70%, Orange reflects an average score between 70-89%, and Green shows an average score of 90% or higher.
How to pass a CDL exam?
An app like CDL Prep helps you prepare with various questions and an exam, similar to what you expect during the actual test.
Best features
The app offers more than 500 CDL practice questions. The exam mode gives you a practice test with the same timeframe as the actual test. You get fifty random questions to answer in an hour. You can also opt to take 40 minutes to answer between twenty and thirty questions on endorsement topics. Once done, you’ll have a chance to review your score and incorrect test answers.
With practice mode, you answer questions and get immediate feedback on incorrect answers. You can use performance tracking to check your session and all-time scores. It shows your average score as follows:
Red: average score less than 70%
Orange: average score between 70% and 89%.
Green: average score above 90%.
Once you reach green, you are ready for your CDL test since you need at least 80% to pass.
At this point, you’ll want to select a topic from the drop-down list. The app covers topics like general commercial, air brakes, and combinations. It also lets you review hazmat, passenger, and doubles/triples. CDL Prep covers tanks and school bus sections as well.
For a better viewing experience, the app also supports dark mode.
Pass your CDL first time
CDL Prep helps you prepare with practise questions, instant feedback on incorrect answers, and a simulated exam mode. You can also track your session, all-time, and average score to ensure that you are ready to pass your CDL exam right away.
What's new
Added edge-to-edge support, implemented minor bug fixes and performance improvements.
- Version9.5.3
- UpdateApr 14, 2025
- DeveloperJeffrey Diaz
- CategoryEducation
- Requires AndroidAndroid 6+
- Downloads606K+
- Package Namecom.jeffreydiaz.android.app.cdlprep
- Signature5b850426d243d84642f2ba504cd7e60c
- Available on
- ReportFlag as inappropriate
-
NameSizeDownload
-
9.39 MB
-
9.27 MB
-
9.27 MB
Easy to use and navigate
Most questions align closely with actual DMV tests
Provides exact locations in the manual for further reading
Helps improve confidence and reduces test anxiety
Offers practice and exam modes for effective studying
High passing rates reported by users
Free to use with valuable content
Simple question-and-answer format aids memorization
Supports various endorsements preparation
Frequent intrusive ads disrupt the study experience
Some incorrect or poorly-worded questions present
Not all state-specific questions included
May rely on rote memorization rather than understanding
Limited feedback on wrong answers after completing tests
Occasional app crashing or performance issues reported
Some users suggest it does not cover all required topics adequately
Scoring may not match state passing requirements
Potential typos or inconsistencies in questions