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Prepare for your Commercial Driver's License written test with extensive practice questions, timed exams, and smart review features. Track your progress and master key knowledge areas for your CDL exam.
✓435 CDL practice questions
✓Detailed explanations for each question
✓Timed exam mode
✓Smart review of difficult questions
✓Mistake review for weak areas
✓Progress dashboard
✓Offline study
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What's New in CDL Master
1.32
September 1, 2026
LOWER PRICING Monthly access is now $9.99 (was $12.99) and the 3-month plan is now $24.99 (was $29.99). Current subscribers move to the new lower price automatically — nothing to do. REDESIGNED WELCOME TOUR A new highway-signage intro walks you through Practice, Exam, and Progress before you start studying, so you know where everything is on day one. ACCESSIBILITY • The app now follows your iPhone's Larger Text setting • Study-streak intensity now uses symbols as well as color, so it stays readable with Differentiate Without Color turned on • Clearer VoiceOver labels throughout the welcome tour FIXES AND IMPROVEMENTS • More reliable purchasing — the app now always charges exactly the plan you selected • Prices display correctly in your local App Store currency on every screen • Study streaks are preserved correctly across regions and calendar settings • Cleaner, faster Home screen and a refreshed 4-week streak calendar
MoreSubscription plans
Monthly Access
Full CDL prep access. Renews monthly.
$12.991 Month
1
In-App Purchases
$49.99
Lifetime Access
Unlimited access forever. One-time payment.
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FAQ
What CDL categories does CDL Master cover?
CDL Master covers General Knowledge, Air Brakes, Combination Vehicles, and Hazardous Materials. It offers 435 practice questions across these four essential CDL categories.
How does CDL Master help users learn?
CDL Master provides detailed explanations for each answer, a timed exam mode simulating real test conditions, and smart review features to focus on areas needing improvement. It also includes a mistake review function.
Can I study for the CDL test offline with CDL Master?
Yes, CDL Master allows you to study offline, making it convenient to prepare for your CDL test anytime, anywhere. This feature is available for all users.
What are the subscription options for CDL Master?
CDL Master offers several subscription plans: Weekly Access for $7.99, Monthly Access for $19.99, and Quarterly Access for $49.99. These unlock all features and content.
Does CDL Master have ads?
No, CDL Master is ad-free, providing an uninterrupted study experience. This allows users to focus solely on preparing for their CDL exam.
How often is CDL Master updated?
CDL Master was last updated on June 17, 2026, with version 1.31. The content is updated for 2026 CDL preparation, ensuring relevance for current tests.
What is the passing target in CDL Master's timed exams?
The timed exam mode in CDL Master uses a realistic passing target of 80%, so you can gauge your readiness for the actual CDL test day.
Is CDL Master suitable for employers?
Yes, CDL Master includes optional company testing tools designed for employers, schools, and fleets to assess driver readiness before hiring or official exams. Drivers can share result reports.