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The main subjects are General Knowledge, Air Brakes and Combination Vehicles. You can also choose optional endorsement topics separately. Question coverage varies by subject and endorsement.

Use your state’s current CDL manual alongside the app for official requirements.

Yes. The included questions, study sessions, practice exams and saved progress work offline. Maps and links to official licensing websites need an internet connection.

Open Practice, choose a subject or the three main subjects combined, then select 10, 25 or 50 questions. Exams are untimed and use up to the number of questions available in your selected subjects. Answers are revealed after you finish.

In study mode, you get feedback as soon as you choose an answer.

Your answers, results, bookmarks and active session are saved locally in the app. Use Saved questions on the Study screen to revisit bookmarks, or open Progress to see previous results. You can resume an unfinished session.

This version does not provide an account or in-app cloud sync between devices. Device backup behavior depends on your device settings.

Open Progress, select Reset study progress and confirm. This removes results, bookmarks and your saved session. Your selected state is kept. The app cannot undo a confirmed reset.

The Test centers section includes official state licensing agency links to help you find services. A verified nationwide testing-facility directory has not been connected. Confirm testing services, appointments and requirements directly with your state agency.

Email shvyrlo@gmail.com. Tell us what happened and what you expected. For a question issue, include the subject and question text. For an app issue, your device model, iOS version and a screenshot can help us understand it.