# CDL Hazmat Exam Prep 2026 — H Endorsement Practice Test > CDL Hazmat endorsement exam preparation with practice questions and study tools. (iPhone/iPad app by Deeun Inc..) - Source: https://appshunter.io/ios/app/cdl-hazmat-exam-prep-2026/id6758050011 (this page in markdown: same URL + `.md`) - Developer: [Deeun Inc.](https://appshunter.io/developer/1691824695) - Category: Education, Utilities - Price: Free with in-app purchases - Rating: 4.30/5 from 11 App Store ratings · 3 written reviews indexed - Age rating: 4+ - Requires: iOS 17.0 · 7 MB - Languages: American English - Released: 2026-01-20 - Data updated: 2026-10-28 - Monetization: freemium - User reviews in markdown: https://appshunter.io/ios/app/cdl-hazmat-exam-prep-2026/id6758050011/reviews.md ## What is CDL Hazmat Exam Prep 2026? Prepare for CDL Hazmat and Tanker knowledge topics with focused practice and a daily study plan. PRACTICE AND REVIEW Work through 510 questions covering hazardous-material classes, placards, shipping papers, loading, segregation, emergencies and tanker topics. Resume unfinished practice with saved answers and order. Review explanations and references, bookmark questions and focus on weak areas. BUILD A DAILY ROUTINE Use 17 written guides and 63 flashcards across 14 decks. Open study activities directly from your plan. Timed topic sets and mixed practice help you review; their lengths and timing are study settings, not official state exam specifications. STUDY TOOLS AND OFFICIAL RESOURCES Explore placarding exercises, hazard-class references and study calculations. Learn how to consult the official ERG and FMCSA routing resources. Tools are educational aids; they do not approve shipments, routes, loading decisions or emergency responses. TRY FREE, THEN CHOOSE No login is required. Free access includes five practice answers per day, a study plan, three guides, one flashcard deck and the hazard-class guide. Pro unlocks unlimited practice, all guides and decks, timed study modes and premium tools. Monthly, annual and lifetime access are available. Eligible new subscribers receive a three-day free trial on the monthly plan. Annual and lifetime plans have no trial. Storefront prices and renewal terms appear before purchase. Subscriptions renew automatically unless canceled. Manage or cancel through your App Store account and restore purchases in the app. Independent exam preparation; not affiliated with or endorsed by DOT, FMCSA, PHMSA, TSA or any state licensing agency. This app does not provide ELDT certification or satisfy training, security assessment or licensing requirements. Consult your current state CDL manual and required training provider. Technical questions, guides and tools are in English; app navigation supports Spanish. Privacy: https://www.voltexam.com/privacy Terms: https://www.voltexam.com/terms ## Key features - 1,000+ practice questions - DOT placard guide - Exam simulator with 5 modes - Offline flashcard decks - Smart practice for weak areas - Hazmat math tools - Emergency response guide ## Pricing and in-app purchases Base price: Free. **Subscriptions** | Subscription | Price | Period | | --- | --- | --- | | Annual Access | $29.99 | per year | | Monthly Access | $9.99 | per month | **One-time purchases** | Purchase | Price | Type | | --- | --- | --- | | CDL Hazmat Prep - Lifetime Pro | $59.99 | one-time | ## Is CDL Hazmat Exam Prep 2026 safe? Not enough ratings yet to assess CDL Hazmat Exam Prep 2026. ## Is CDL Hazmat Exam Prep 2026 legit? CDL Hazmat Exam Prep 2026 appears legitimate, with a few gaps. The AppsHunter Legitimacy Score for CDL Hazmat Exam Prep 2026 is 65 out of 100 points across 7 verification signals from App Store and developer data. ## Recent user reviews (3 of 3) All indexed reviews: https://appshunter.io/ios/app/cdl-hazmat-exam-prep-2026/id6758050011/reviews.md ### 5/5 — On point *2026-10-07* Outstanding and very awesome tool prepping for renewal ### 5/5 — Like it! *2026-04-16, version 2.1* Thanks ### 5/5 — Simple and effective *2026-03-30, version 2.0* Really helpful for studying hazmat CDL. Simple and effectiv questions are clear, the app is easy to use, and it makes practice much less stressful. ## Frequently asked questions about CDL Hazmat Exam Prep 2026 ### What is the pass rate for the CDL Hazmat Exam Prep app? The app is designed to help users pass the Hazmat endorsement exam, which requires an 80 percent score. The app's 'Pass Promise' offers an extension of access if a user meets specific criteria and still doesn't pass. ### Does CDL Hazmat Exam Prep have ads? No, CDL Hazmat Exam Prep does not contain advertisements. The app is free to download and offers a freemium model with optional in-app purchases for full access. ### How does the 'Smart Practice' feature work in CDL Hazmat Exam Prep? The 'Smart Practice' feature tracks the categories you struggle with and serves those questions more frequently. This ensures you focus your study time on areas where you need the most improvement. ### What is the 'Pass Promise' in CDL Hazmat Exam Prep? The 'Pass Promise' is a guarantee that if you complete all questions with an 80% or higher average, hold an active subscription for 3 months, and still do not pass the exam, your access will be extended by 4 months at no charge. ### Can I use CDL Hazmat Exam Prep offline? Yes, the flashcard decks and other study materials in CDL Hazmat Exam Prep work 100 percent offline. No signal is needed, making it convenient for studying anywhere. ### What specific federal regulations does CDL Hazmat Exam Prep cover? The app's practice questions are based directly on 49 CFR Parts 171 through 180, which are the federal regulations used by the FMCSA for testing. ### What are the different exam modes available in CDL Hazmat Exam Prep? The app offers five exam modes: Hazmat General Knowledge, Hazmat Operations, Emergency Response, Tanker Endorsement, and a Full H/N/X Combo. Each mode simulates exam conditions with timed questions and scoring. ### What is the cost of CDL Hazmat Exam Prep? The app is free to download and offers a 3-day free trial for its PRO version. Pricing details for subscriptions can be found within the app. ## Version history (last 5 releases) ### 3.0 — 2026-10-27 CDL Hazmat Prep 3.0 makes daily study easier: • Resume unfinished practice with saved question order and answers. • Open practice, guides, flashcards and mock practice directly from your study plan. • Updated question-bank synchronization preserves matching history and bookmarks. • See earlier question history separately from active coverage. • Stable answer choices and more reliable timing in Speed Round. • Review explanations and references during timed mock practice. • Clearer free access, Pro features and eligible monthly free-trial information. • Faster splash screen with reduced-motion support. • Revised ERG and route resources link to official information. Independent study support. Technical content is in English. State exam requirements vary; this app does not provide ELDT certification. ### 2.4 — 2026-05-23 Studying for your CDL Hazmat endorsement? We've made it easier to see everything Pro unlocks — and to start your 3-day free trial: • 510+ practice questions mapped to 49 CFR Part 172 • ERG quick lookup for any UN/NA number when you're on the road • Placard Builder + DOT Fine Calculator for real-world use • 30-question timed mock exam in the same format as the DMV test • Smart practice that targets the topics where you're weakest Plus a cleaner upgrade screen with a refreshed shield-and-diamond design so the value is obvious at a glance. Pass the endorsement. Stay compliant on the job. Drive on. ### 2.3 — 2026-05-21 Refreshed our Pro upgrade screen with clearer details on what you get — 1000+ Hazmat questions, full 49 CFR Part 172 coverage, ERG quick lookup, and a 30-question timed mock endorsement exam. ### 2.2 — 2026-05-04 Major update packed with new tools and improvements. New: Hazmat Class Guide with visual color diamonds, divisions, and exam tips for all 9 DOT hazmat classes. New: Speed Round, a 60-second timed drill to sharpen your recall under pressure. New: Annual Plan at $24.99 per year, best value for CDL candidates in training. New: 3-Day Free Trial, try everything Pro free with no commitment. New: Smarter onboarding shows you exactly what is inside before you start. Improved: Cleaner adaptive UI that follows your system light and dark settings. Better Flashcards, ERG Lookup, and Placard Builder, all polished and faster. Questions covering Hazmat, Tanker, and Combination Vehicle. Good luck on your exam. You have got this. ### 2.1 — 2026-03-31 NEW IN THIS UPDATE: FREE 3-DAY TRIAL — Try every Pro feature free. No charge until your trial ends. Cancel anytime. 4 NEW PROFESSIONAL TOOLS: • ERG Lookup — Find Emergency Response Guide info instantly by UN/NA number. Covers 20+ common hazmat materials with isolation distances and protective action zones. • Shipping Paper Validator — Verify your shipping papers have all 7 required fields per 49 CFR 172.202. Never get a DOT violation for paperwork. • Hazmat Route Checker — Check tunnel restrictions and FMCSA 397 route compliance before you drive. Know if your load can go through that tunnel. • Tank Pressure Calculator — Calculate liquid weight, outage, ullage, and vapor pressure for any tank configuration. References 49 CFR 173.24. IMPROVEMENTS: • All tools now available during free trial period • Performance and stability improvements ## Apps similar to CDL Hazmat Exam Prep 2026 | App | Rating | Price | Category | | --- | --- | --- | --- | | [HazMat Test Prep 2026](https://appshunter.io/ios/app/hazmat-test-prep-2026/id6759610705) | 4.8 (28) | Free | Education | | [CDL HazMat Practice Test 2026](https://appshunter.io/ios/app/cdl-hazmat-practice-test-2026/id6759346488) | 4.6 (42) | Free | Education | | [CDL Hazmat Practice Test](https://appshunter.io/ios/app/cdl-hazmat-practice-test/id6469903280) | 4.7 (15) | Free | Education | | [CDL Hazmat Practice Test Prep](https://appshunter.io/ios/app/cdl-hazmat-practice-test-prep/id6763618126) | 4.3 (6) | Free | Education | | [CDL HazMat & Tanker Test 2026](https://appshunter.io/ios/app/cdl-hazmat-and-tanker-test-2026/id6759854871) | 5.0 (2) | Free | Education | | [CDL HazMat Endorsement Prep](https://appshunter.io/ios/app/cdl-hazmat-endorsement-prep/id6776219751) | — | Free | Education | ## More apps by Deeun Inc. - [Kidonomic: Kids Money Coach](https://appshunter.io/ios/app/kidonomic-kids-money-coach/id6476450084) - [AI Stock Vision](https://appshunter.io/ios/app/ai-stock-vision/id6738970800) - [Use-It-Up:Save Food,Save Money](https://appshunter.io/ios/app/use-it-upsave-foodsave-money/id6749287569) - [StyleFlip AI](https://appshunter.io/ios/app/styleflip-ai/id6753980457) - [Steps++ : Track & Challenge](https://appshunter.io/ios/app/steps-plus-plus-track-and-challenge/id6754710872) - [Electrician Exam Prep:NEC 2026](https://appshunter.io/ios/app/electrician-exam-prepnec-2026/id6757658532) All apps by Deeun Inc.: https://appshunter.io/developer/1691824695 ## Related topics [hazmat test truck](https://appshunter.io/ios/topics/hazmat-test-truck) · [cdl hazmat endorsement prep](https://appshunter.io/ios/topics/cdl-hazmat-endorsement-prep) · [cdl hazmat tanker x prep](https://appshunter.io/ios/topics/cdl-hazmat-tanker-x-prep) · [best apps for hazmat test preparation](https://appshunter.io/ios/topics/best-apps-for-hazmat-test-preparation) · [dmv hazmat test](https://appshunter.io/ios/topics/dmv-hazmat-test) · [free hazmat test 2026](https://appshunter.io/ios/topics/free-hazmat-test-2026) · [hazmat cdl test](https://appshunter.io/ios/topics/hazmat-cdl-test) · [hazmat test prep](https://appshunter.io/ios/topics/hazmat-test-prep) · [hazmat test 2026](https://appshunter.io/ios/topics/hazmat-test-2026) · [hazmat test prep 2026](https://appshunter.io/ios/topics/hazmat-test-prep-2026) · [free hazmat test](https://appshunter.io/ios/topics/free-hazmat-test) --- *Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-10-28.*