Study tips, product updates, and resources from the JackzAppz team.
FMCSA updated entry-level driver training requirements this year. We break down what new CDL applicants need to know before they start training — including the new theory hour requirements and documentation changes.
Read More →After analyzing thousands of practice test results, we found the same mistakes popping up again and again. Here are the top 10 questions new drivers get wrong — and how to get them right.
Read More →The story behind JackzAppz's first product. From the initial idea to serving millions of questions a month — here's why free CDL test prep matters and how it all started.
Read More →Hazmat? Tanker? Doubles/Triples? Passenger? School Bus? We explain each CDL endorsement, what the test covers, and which ones actually boost your job prospects (and pay).
Read More →Every state runs their DMV test differently. Number of questions, passing scores, and topics vary. We put together a state-by-state guide so you know exactly what you're walking into.
Read More →The air brakes endorsement test trips up a lot of CDL applicants. This study guide covers the key concepts, common test questions, and the differences between air brake systems you need to know.
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