CDL Master: Practice Test 2026
Pass Your CDL Test First Try
Free · In‑App Purchases · Designed for iPad. Not verified for macOS.
Ace your Commercial Driver's License exam with CDL Master — the smart, no-nonsense study app built for aspiring truck drivers. With 435 real CDL practice questions aligned to 2026 FMCSA standards,
timed exam simulations, and a built-in spaced repetition system, you'll walk into your test day fully prepared.
WHAT'S INSIDE
• 435 CDL Practice Questions — Covering General Knowledge, Air Brakes, Combination Vehicles, and Hazardous Materials, each with detailed explanations so you understand the "why" behind every answer.
• Realistic Exam Simulations — Practice under real test conditions with official question counts, time limits, and an 80% passing threshold. Know exactly what to expect on exam day.
• Smart Review (Spaced Repetition) — Our SM-2 algorithm tracks what you know and what you don't. It resurfaces the questions you're most likely to forget, so you study smarter, not harder.
• Review Your Mistakes — Instantly revisit every question you got wrong. Turn weak spots into strengths before test day.
• Progress Dashboard — Track your accuracy, study streaks, pass confidence score, and category-by-category performance at a glance.
4 CDL TEST CATEGORIES
1. General Knowledge — 241 questions covering rules of the road, vehicle inspection, basic control, and safe driving.
2. Air Brakes — 72 questions on air brake systems, components, inspection, and emergency procedures.
3. Combination Vehicles — 69 questions on coupling/uncoupling, rollover prevention, and combination vehicle handling.
4. Hazardous Materials — 53 questions on HazMat placarding, loading, emergencies, and compliance.
WHY CDL MASTER?
Updated for 2026 — Questions aligned with current FMCSA regulations.
Study Offline — All content is available without an internet connection.
Dark & Light Mode — Study comfortably day or night.
No Ads — Zero distractions. Just you and your CDL prep.
Daily Streak Tracking — Build a study habit and stay consistent.
FREE TO START
Get started with 10 free practice questions per day in General Knowledge. Upgrade to unlock all 435 questions, all 4 categories, exam simulations, and unlimited access.
Whether you're studying for your Class A, Class B, or Class C CDL, this app gives you the tools to pass your written knowledge test with confidence.
Download CDL Master today and start your trucking career.
https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Ratings & Reviews
- This app hasn’t received enough ratings or reviews to display an overview.
• Improved app stability and performance across all quiz modes.
• Smoother navigation throughout the app — faster transitions between screens.
• Better error handling so your study progress is always saved reliably.
• Enhanced haptic feedback responsiveness when answering questions.
• Under-the-hood improvements for a more reliable study experience.
The developer, DUMITRU BUMBU, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Collected
The developer does not collect any data from this app.
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- DUMITRU BUMBU
- Size
- 6.3 MB
- Category
- Education
- Compatibility
Requires iOS 16.0 or later.
- iPhone
Requires iOS 16.0 or later. - iPad
Requires iPadOS 16.0 or later. - Mac
Requires macOS 13.0 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 1.0 or later.
- iPhone
- Languages
- English
- Age Rating
4+
- 4+
- In-App Purchases
Yes
- Quarterly Access $49.99
- Lifetime Access $99.99
- Weekly Access $7.99
- Monthly Access $19.99
- Copyright
- © 2026 CDL Master: Practice Test 2026