Prepare for your Commercial Driver's License (CDL) test using your iPhone, iPad or iPod. CDL Test has over 500 test questions with multi-choice answers CDL Test simulates the written test and at the end presents you a detailed score which you can e-mail yourself. Questions are presented in random order and will not be repeated in same test. Latest test scores are saved automatically. WHATS IN: CDL Test contains all of the categories one needs to study to pass the written test, which include, 1. Rules of the road 2. Air Brakes Test 3. HazMat Test 4. Passenger Vehicles Test 5. Safe Driving Practices 6. Combination Vehicles Test 7. Doubles and Triples 8. Pre-trip inspection 9. Tank Vehicles NOTES: Lite version comes with a subset of questions and lessons. To unlock full version subscribe to Weekly Subscription. * Subscription payments will be charged to your iTunes account at confirmation of your purchase and upon commencement of each renewal term. Subscription with a free trial period will automatically renew to a paid subscription. You can cancel your subscription or free trial in the iTunes settings at least 24-hours before the end of the free trial period. The cancellation will take effect the day after the last day of the current subscription period and you will be downgraded to the free service. * Please note: any unused portion of a free trial period (if offered) will be forfeited when you purchase a premium subscription during the free trial period. * Privacy Policy: http://www.webrichsoftware.com/privacy.html * EULA: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/