About this app
CDL prep app covers 50 US states with over thousands questions to help you pass your CDL permit. Each prep test or practice CDL test section contains enough questions for every state in USA. It also has state CDL handbook and state specific questions to help you prepare to sit the CDL test of your state. Study CDL content by each subject and create unlimited custom quizzes on the go. Main Features: PRACTICE QUESTION: Commercial driver’s license is a driver license required in US to operate any vehicle over 10k lb. Practice question are exam like questions on the actual CDL test. All practice questions include in depth explanations so that you can learn from your mistake. Learn all the rules of CDL and get your permit by using this app to improve your knowledge of signs and traffic rules. CDL app includes CDL practice questions and study guide by 9 major subjects: *General Knowledge *Air Brakes *Combination Practice *Hazardous Material *Tanker *Doubles/Triples *Passenger *School Bus *Pre Trip CUSTOM QUIZ： Quiz feature makes learning process easy and funny. Build your personal custom quiz on the go, and create as many CDL quizzes as you want. Use quiz to measure your CDL knowledge and ability in different subjects. Use quiz to teach you the signs and traffic rules of the road and help you take questions on the go. CDL EXAM： CDL app provides exam-like test to mimic real CDL exam for you. It is simple to use and effective way to increase your CDL knowledge. CDL app will show detailed explanations of wrong answers and help you track your progress and performance to improve your knowledge. Tests contains right of way, recognizing signs, road rules, safe driving, traffic controls, parking rules and warnings sings lifetime updated questions. PREMIUM You can access following advantages as a paid subscriber of premium products: 1. Unlock all CDL exam like questions 2. Study subject content with smart tracker 3. Build unlimited custom quizzes on the go Premium Feature One month subscription is $19.99 USD per month Life-Time Premium Membership is $94.99 USD Payment will be charged to iTunes Account at the confirmation of purchase. Accounts will be charged for renewal within 24 hours prior to the end of the current period at the rate of the selected plan above. Subscriptions may be managed by the user and auto-renewal may be turned off by going to the user’s Account Settings after purchase. Any unused portion of the term will be forfeited once purchased. Privacy Policy: https://polystowers.firebaseapp.com/cdl_privacy.html Term of Use: https://polystowers.firebaseapp.com/cdl_terms.html Your feedback is important to us. We will continue to provide best value service to our customer. Please contact us through our app or email us.
Latest release
What’s New
In the new version: Update answer explanations Updated subject questions Improved practice question layout Fixed quiz feature bug
Audience growth
Ratings growth
Baseline captured. Growth appears after the crawler observes a changed rating count.
Momentum comes from crawler snapshots for the tracked storefront. “Viral growth signal” means unusually fast recent rating gains; it is an indicator, not download data.
Price tracking
Price intelligence
- First observed Sep 27, 2026 · 4:00 AM Free
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