AppMarketSpy › Education › CDL Prep Hero
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App info
- Developer
- Evergreen Comply, LLC
- Category
- Education
- Released
- Oct 9, 2026
- Version
- 1.0.3 (Oct 23, 2026)
- Price
- Free
- Size
- 72.8 MB
- Requires
- iOS 16.4
- Age rating
- 13+
- Languages
- English
In-app purchases
| Full Access — 90 Days | $29.99 |
Current prices, App Store US.
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About CDL Prep Hero
CDL Prep Hero helps you study for US commercial driver's license knowledge tests with short lessons, visual explanations and practice questions. Available in English and Spanish. BUILD UNDERSTANDING Learn how air brakes work, why trailers follow different paths through a turn, and the principles behind safer commercial driving. Read-aloud and animated diagrams support the lesson text. PRACTICE FOR YOUR SUBJECTS Choose your state, license class and endorsements. Study relevant lessons, practice questions, review missed answers, save questions for later and take mock exams. Coverage includes general knowledge, air brakes, combination vehicles, tank vehicles, hazardous materials, doubles and triples, passenger and school bus. PRE-TRIP TEST COACH Practice the Vehicle Inspection Test out loud. Name each item, point to it and explain what you're inspecting for. The coach listens, tells you…
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