Prepare for your CDL Hazardous Materials endorsement exam with over 700 practice questions and 300 flashcards. Master key test areas with realistic simulations and track your progress to ensure you pass on your first attempt.






248+ iOS apps curated and reviewed
The best hazmat test prep apps on iPhone average 4.5★ across 248+ titles — we've ranked them by what real users actually keep on their phones. Updated November 2026.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 | Free | 4.6★ (31) | No | Yes | Nov 2026 | ||
| 2 | Free | 4.8★ (15K) | No | Yes | Nov 2026 | ||
| 3 | Free | 4.3★ (6) | No | Yes | Oct 2026 | ||
| 4 | Free | 4.7★ (46) | No | Yes | Nov 2026 | ||
| 5 | Free | — | No | Yes | Jul 2026 | ||
| 6 | Free | 4.8★ (2.1K) | No | Yes | Nov 2026 | ||
| 7 | Free | 4.3★ (11) | No | Yes | Oct 2026 | ||
| 8 | Free | — | Yes | No | Aug 2026 |






Prepare for your CDL Hazardous Materials endorsement exam with over 700 practice questions and 300 flashcards. Master key test areas with realistic simulations and track your progress to ensure you pass on your first attempt.






Prepare for your CDL permit and endorsement tests with an FMCSA-approved app. It offers ELDT theory certification, exam-level practice questions, and personalized study tools to help you pass your commercial driver's license exams.






Prepare for your commercial driver's license written exam with over 1,000 practice questions and full-length exams. Covers all CDL categories and endorsements with detailed explanations and progress tracking.