About this app
Washington CDL Test Prep™: Your Path to CDL Success Prepare for your Commercial Learners Permit (CLP) exam and CDL endorsements with confidence using Washington CDL Test Prep™, the trusted app by Rigg Dynamics. Since 2009, we've helped over 40,000 students like you pass their written exams and hit the road to success. Comprehensive Practice Tests: Access a vast library of over 830 professionally developed practice quizzes (in-app purchase required), covering multiple-choice, true/false, and fill-in-the-blank questions – just like the real exam. State-Specific Content: Our questions closely follow Washington State's official CDL Manual, ensuring you study the most relevant material. Personalized Learning: Tailor your studies to your specific needs by focusing on individual endorsements or taking advantage of our bundled courses for Class A and Class B learners. Detailed Explanations: Gain a deeper understanding of the material with comprehensive explanations for every question. User-Friendly Interface: Enjoy a clean, intuitive design that makes studying a breeze. Get Started Today! Enroll in the courses that match your goals and access them in the "My Courses" section. Important Note: Free Lesson: We offer a free lesson on Driving Safely, Section 2.3: Shifting Gears, for those who want to try before they buy.
Latest release
What’s New
- Brand new UI design; simpler, modern - Updated question bank with explanations for each question
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 snapshot captured. The trend line starts after the next crawler price observation.
- First observed Aug 12, 2026 · 6:36 PM Free
Screenshots
