CDL Test & Field Tools 2026 vs 3MD CDL Prep

Pass your CDL written exam with confidence. CDL Test gives you 800 practice questions across all 8 topic areas, plus the field calculators, reference cards, and compliance tools working drivers actually use on the road. WHAT'S INSIDE • 800 multi-choice practice questions • 8 endorsement and core topic areas • Mock tests that mirror the real DMV exam • Flash cards for fast topic review • Detailed score breakdowns you can email yourself • Random question and answer order to prevent memorization • Latest test scores saved automatically • Voice-over for hands-free study • iCloud sync across iPhone and iPad TOPICS COVERED • General Knowledge — rules of the road, safe driving • Air Brakes • Combination Vehicles • Doubles and Triples • Hazardous Materials (H endorsement) • Passenger Vehicles (P endorsement) • Tank Vehicles (N endorsement) • Pre-trip Inspection QUICK REFERENCE Look up the answer in seconds: • Hours of Service — 11/14/60/70 hour rules, sleeper berth splits • Weights and Limits — federal GVW, axle, and bridge formula • Braking and Coupling — fifth wheel, low air warning, slack adjuster • Emergency and Safety — warning triangle placement, hazard signals • Endorsements — H, N, P, S, T, X requirements FIELD TOOLS Built-in calculators for owner-operators and company drivers: • Pre-Trip Checklist — full FMCSA 11-point inspection with PDF export • HOS Quick Check — see hours remaining at a glance • Per Diem — daily meal deduction tracker • Load Profitability — rate per mile after costs • Cost Per Mile — owner-operator break-even • IFTA Quarterly — per-state fuel tax owed MY CDL DASHBOARD Stay road-ready and audit-ready: • Compliance status — see what needs your attention today • Study streak — track current streak, best streak, and daily questions • Document wallet — store CDL, medical card, insurance, and registration photos • Renewal reminders — never miss a license, medical, or registration deadline EVERY STATE Aligned with the FMCSA standards used by all 50 state DMVs and the District of Columbia. PRO SUBSCRIPTION The free version includes core practice and limited Field Tools entries. Upgrade to unlock all 800 questions, every endorsement, full mock tests, the complete Quick Reference, and unlimited Field Tools. * Subscription payments will be charged to your iTunes account at confirmation of your purchase and upon commencement of each renewal term. Subscription with a free trial period will automatically renew to a paid subscription. You can cancel your subscription or free trial in the iTunes settings at least 24-hours before the end of the free trial period. The cancellation will take effect the day after the last day of the current subscription period and you will be downgraded to the free service. * Any unused portion of a free trial period (if offered) will be forfeited when you purchase a premium subscription during the free trial period. Privacy Policy: https://www.webrichsoftware.com/privacypolicy EULA: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

3MD CDL Prep offers over 500 questions in test and exam modes to prepare you for your CDL exam.