CDI · Free Demo
Try Commercial Driver's License (CDL) Exam Prep App before you buy
You are about to try the real Commercial Driver's License (CDL) Exam Prep App app — the same interface
students use, with a limited slice of the question bank unlocked.
90Questions in this demo
3Study modes unlocked
9Premium modes locked
What you get free
- Quick Quiz — answer questions with instant explanations.
- Flashcards — flip-through revision of the key terms.
- Full question browser — read any question in the demo set.
What the full version adds
- All 563 questions — the demo is a 90-question slice.
- Mock exams — timed, full-length, scored like the real thing.
- Smart Study — focuses on the domains you keep getting wrong.
- Analytics & bookmarks — track weak areas across sessions.
Start the demo →
See the full version & pricing
No signup, no card, nothing to install. The demo runs entirely in your browser.