Created in partnership with AAMVA and Iowa DOT, the Official CDL Test Prep has everything you need to pass your Iowa Commercial Drivers License (CDL) test the first time!

With over 600 exam-like questions, lifetime access to the complete CDL Manual, and dozens of test-taking strategies, CDL Test Prep helps you get the score you need. Spanning every stage of a CDL professional's career, from pre-licensing and your initial license to driving combinations, hazardous materials, school buses, and more, CDL Test Prep offers a comprehensive review of critical material.

Install the app for free to jump start your studying!
We have provided limited access to the CDL Manual, along with a small number of questions for you to sample before deciding to upgrade.

Upgrade to the Premium Version with a one-time, in-app purchase that includes lifetime access to:
• 600+ exam like practice questions
•Detailed explanations with images
•Developed by experts
•Includes the complete Iowa CDL Manual
•Access to all 13 chapters
•Corresponds with the American Association of Motor Vehicle Administrators (AAMVA) manual
•40+ must-know definitions
•Dozens of tips and strategies to help you pass
•Created in partnership with the Iowa DOT and AAMVA

CDL Mastery is organized into 13 sections or chapters, corresponding to the American Association of Motor Vehicle Administrators (AAMVA) manual, with study questions attached to many sections. Master the material by reviewing key definitions or dig deep into the practice question bank of over 600 items.

With The Official CDL Test Prep in your toolkit, you will have all the information you need to master the Iowa CDL knowledge test and kick-start your career.

Get access to all questions when you subscribe:
• 1 Month: one auto-renewing payment of $4.99
• 12 Months: one auto-renewing payment of $19.99

This app offers two auto-renewing subscription options to help you pass your exam.

-Payment will be charged to your Google Play Account at confirmation of purchase
-Subscription automatically renews unless auto-renew is turned off at least 24-hours before the end of the current period
- Your account will be charged for renewal within 24-hours prior to the end of the current period, and identify the cost of the renewal
-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 a free trial period, if offered, will be forfeited when the user purchases a subscription to that publication, where applicable

These prices are for United States customers. Pricing in other countries may vary and actual charges may be converted to your local currency depending on the country of residence.

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