# National CDL Mastery — DOT Manual & Questions > CDL test preparation app with practice questions and manual. (iPhone/iPad app by Higher Learning Technologies, Inc..) - Source: https://appshunter.io/ios/app/national-cdl-mastery/id1346190313 (this page in markdown: same URL + `.md`) - Developer: [Higher Learning Technologies, Inc.](https://appshunter.io/developer/571804544) - Category: Education, Reference - Price: Free with in-app purchases - Rating: 4.60/5 from 9 App Store ratings - Age rating: 4+ - Requires: iOS 10.0 · 140 MB - Languages: American English - Released: 2018-11-10 - Data updated: 2026-06-01 - Monetization: free with in-app purchases - User reviews in markdown: https://appshunter.io/ios/app/national-cdl-mastery/id1346190313/reviews.md ## What is National CDL Mastery? Created in partnership with AAMVA and Iowa DOT, CDL Mastery has everything you need to pass your Commercial Drivers License (CDL) test the first time! With over 600 exam-like questions, lifetime access to the complete CDL Manual, and dozens of test-taking strategies, CDL Mastery helps you get the score you need. Spanning every stage of a CDL professional's career, from pre-licensing and your initial license to driving combinations, hazardous materials, school buses, and more, CDL Mastery offers a comprehensive review of critical material. Install the app for free to jump start your studying! We have provided limited access to the CDL Manual, along with a small number of questions for you to sample before deciding to upgrade. National CDL Mastery features: • 600+ exam-like practice questions •Detailed explanations with images •Developed by experts •Includes the complete Iowa CDL Manual •Access to all 13 chapters •Corresponds with the American Association of Motor Vehicle Administrators (AAMVA) manual •40+ must-know definitions •Dozens of tips and strategies to help you pass •Created in partnership with the Iowa DOT and AAMVA CDL Mastery is organized into 13 sections or chapters, corresponding to the American Association of Motor Vehicle Administrators (AAMVA) manual, with study questions attached to many sections. Master the material by reviewing key definitions or dig deep into the practice question bank of over 600 items. With the National CDL Mastery in your toolkit, you will have all the information you need to master the CDL knowledge exam and kickstart your career. Get access to all questions when you subscribe: • 1 Month: one auto-renewing payment of $4.99 • 12 Months: one auto-renewing payment of $19.99 This app offers two auto-renewing subscription options to help you pass your exam. -Payment will be charged to your iTunes Account at confirmation of purchase -Subscription automatically renews unless auto-renew is turned off at least 24-hours before the end of the current period - Your account will be charged for renewal within 24-hours prior to the end of the current period, and identify the cost of the renewal -Subscriptions may be managed by the user and auto-renewal may be turned off by going to the user's Account Settings after purchase -Any unused portion of a free trial period, if offered, will be forfeited when the user purchases a subscription to that publication, where applicable These prices are for United States customers. Pricing in other countries may vary and actual charges may be converted to your local currency depending on the country of residence. Our Customer Success Team is available from 9am to 5pm, Monday - Friday (except on major holidays). Call us at 319-246-5271 and email us at support@hltcorp.com with any questions. Privacy Policy - http://builtbyhlt.com/privacy Terms of Conditions - http://builtbyhlt.com/EULA ## Key features - 600+ exam-like practice questions - Complete CDL Manual access - Detailed explanations with images - Dozens of test-taking tips - Expert-developed content - Corresponds with AAMVA manual ## Pricing and in-app purchases Base price: Free. **One-time purchases** | Purchase | Price | Type | | --- | --- | --- | | National CDL Mastery - Premium | $19.99 | one-time | ## Frequently asked questions about National CDL Mastery ### How many practice questions does National CDL Mastery offer? National CDL Mastery provides over 600 exam-like practice questions. These questions are designed to mirror those found on the actual CDL test and come with detailed explanations and images to aid understanding. ### What is included in the National CDL Mastery subscription? The app offers auto-renewing subscription options for full access to all questions. Pricing is $4.99 for 1 month and $19.99 for 12 months for US customers, with potential variations in other countries. ### Can I try National CDL Mastery before subscribing? Yes, the app offers limited free access to the CDL Manual and a small selection of practice questions. This allows users to sample the content before deciding to upgrade to a paid subscription for full access. ### What is the learning methodology of National CDL Mastery? The app utilizes a comprehensive review of critical material, organized into 13 chapters that correspond with the AAMVA manual. It includes practice questions attached to many sections, definitions, and test-taking strategies. ### How often is National CDL Mastery updated? The app was last updated on December 21, 2018, with version 6.8.4625. While specific update frequency is not detailed, this indicates ongoing development and maintenance. ### What devices support National CDL Mastery? National CDL Mastery is available for iPhone, iPad, and iPod. It is rated for ages 4 and up. ### How do I manage my subscription for National CDL Mastery? Subscriptions can be managed by the user, and auto-renewal can be turned off by going to the user's Account Settings after purchase. This must be done at least 24 hours before the end of the current period. ### What is the user sentiment for National CDL Mastery? The app has a high rating of 4.6 stars based on 9 ratings, suggesting positive user sentiment. Users generally find it helpful for CDL test preparation. ## Version history (last 4 releases) ### 6.8.4625 — 2018-12-21 This version includes a few improvements to make your experience smoother. Let us know what you think by emailing us at feedback@hltcorp.com or by leaving a 5-star review. ### 6.6.4564 — 2018-12-13 This version includes a few improvements to make your experience smoother. Let us know what you think by emailing us at feedback@hltcorp.com or by leaving a 5-star review. ### 6.4.4504 — 2018-12-04 This version includes a few improvements to make your experience smoother. Let us know what you think by emailing us at feedback@hltcorp.com or by leaving a 5-star review. ### 6.3.4412 — 2018-11-10 No release notes. ## Apps similar to National CDL Mastery | App | Rating | Price | Category | | --- | --- | --- | --- | | [คำตรงข้ามกัน](https://appshunter.io/ios/app/id1619625200) | — | Free | Education | | [NSE Panthers](https://appshunter.io/ios/app/nse-panthers/id1611182360) | 4.7 (3) | Free | Education | | [Canada Citizenship Test 2026](https://appshunter.io/ios/app/canada-citizenship-test-2026/id1611949900) | 4.3 (29) | Free | Education | | [WordSphere: English Dictionary](https://appshunter.io/ios/app/wordsphere-english-dictionary/id1611258200) | 4.0 (26) | Free | Education | | [智力开发-认知大全拼图益智游戏学发音看图识物](https://appshunter.io/ios/app/id1615404640) | 3.0 (1) | Free | Education | | [St Mary’s Sec Sch New Ross](https://appshunter.io/ios/app/st-marys-sec-sch-new-ross/id1627712820) | — | Free | Education | ## More apps by Higher Learning Technologies, Inc. - [COE Prep](https://appshunter.io/ios/app/coe-prep/id315534299) - [ASVAB Practice For Dummies](https://appshunter.io/ios/app/asvab-practice-for-dummies/id338186615) - [Civil Engineering Review](https://appshunter.io/ios/app/civil-engineering-review/id362521529) - [ACT Prep For Dummies](https://appshunter.io/ios/app/act-prep-for-dummies/id380538659) - [GMAT Practice For Dummies](https://appshunter.io/ios/app/gmat-practice-for-dummies/id392710689) - [Pharmacology Exam & Board Prep](https://appshunter.io/ios/app/pharmacology-exam-and-board-prep/id398908551) All apps by Higher Learning Technologies, Inc.: https://appshunter.io/developer/571804544 --- *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 2026-06-01.*