CDL Prep vs CDL Prep +
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
CDL Prep
Prepare for your Commercial Drivers License exams with a comprehensive question bank covering general knowledge and various endorsements. Features practice and exam modes with instant feedback and answer randomization.
- Over 500 practice questions
- Exam Mode with timed tests
- Practice Mode with instant feedback
- Answer randomization
- Covers General Knowledge and endorsements
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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!
CDL Prep +
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A powerful mobile app created to help users prepare for the U.S. Commercial Driver’s License (CDL) exams for truck driving. It provides a wide range of effective practice tools, including interactive tests, engaging quizzes, a realistic exam simulator, and detailed performance statistics to track progress. The free version allows access to the first three practice tests, making it easy to start studying right away. Upgrading to the premium version unlocks all available tests, full access to quizzes and the exam simulator, as well as complete performance analytics. Whether you’re preparing for your first CDL exam or refreshing your knowledge of road rules, this app makes learning simple, efficient, and accessible. With a clean, user-friendly interface and up-to-date content, it’s an excellent study companion for aspiring truck drivers across the United States. This app contains auto-renewable subscriptions. You can cancel your subscription at any time: 1 week - Weekly - 4.99 USD, 1 month - Monthly - 12.99 USD, 1 year - Yearly - 39.99 USD, Lifetime - 59.99 USD Privacy Policy: https://docs.google.com/document/d/1V9vNgMt3mSbMACUPfoYBR6U6APqwBqfDZ0VySJsYRXc/edit?usp=sharing Terms of Use Link: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is in-app purchases: CDL Prep at none against CDL Prep +'s 5. CDL Prep also leads on chart position (#92 vs unranked). CDL Prep +'s advantage is ads (none vs shown). On price, update cadence, device support and iOS requirement there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. CDL Prep + sells 5 in-app purchases, starting at $4.99 per 7 days. CDL Prep asks for nothing beyond the download.
CDL Prep ships an update every 2 months, CDL Prep + monthly. The most recent releases landed on November 12, 2026 and October 30, 2026 respectively.
| Parameter | CDL Prep | CDL Prep + |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (7.1K ratings) — better | — |
| Positive reviews | 80.7% of reviews | — |
| Number of ratings | 7.1K — better | — |
| Update frequency | Every 2 months | Monthly — better |
| Ads | Yes | No — better |
| In-app purchases | No — better | Yes |
| Monetization | Ad-supported | — |
| Best chart rank | #92 — better | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.0 — better | 16.0 |
| Further details — not scored | ||
| Size | 7 MB | 67 MB |
| Age rating | 4+ | 4+ |
| Developer | Jeffrey Diaz | CLI Cyber, LLC |
Bugs and requests
CDL Prep
Reported bugs
2 issues- Back button issues
- Incorrect answers in app
Requested features
3 requests- Ad-free version
- Ability to report incorrect questions
- Include state-specific requirements
CDL Prep +
Not enough reviews yet to summarise bugs or requests.
In-app purchases
CDL Prep
No in-app purchases
CDL Prep +
- Weekly3 Days trial$4.997 Days
- Weekly-NoTrial$4.997 Days
- Monthly$12.991 Month
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- Yearly$39.991 Year
- Lifetime$59.99
Questions
Is CDL Prep free?
Is CDL Prep + free?
Do CDL Prep or CDL Prep + have ads?
Which is updated more often, CDL Prep or CDL Prep +?
Other comparisons
