Missouri CDL Knowledge Test Prep
Ace your Missouri CDL Class A written exams
State-specific practice with plain-English explanations. One-time payment. No ads. Pass guaranteed.
- One-time
- Pass Guarantee
- No Ads
4 mistakes left
Time left
29min
:
55sec
Exam mode
Think you’d pass? Try 3 of the trickiest questions.
Real questions from our exam bank - the kind that trip up unprepared drivers. Tap an answer and see how the practice test works.
All the tools you need to ace the exam
Exam Simulator
Same pass bar as the DMV
Fix it Bank™
Only your mistakes → faster progress
All Missouri tests + No Ads
Everything you need, distraction-free
pricing plans
One payment. No subscription. Ever.
The real Missouri exam: 50 questions, 80% to pass. We get you ready for exactly that.
Other prep sites bill you weekly until you remember to cancel. Every pass here is a single payment that simply ends - and every endorsement is included.
CDL EXAM PREP
Missouri
$ 49FREE
30 days
30-Day Pass
Free during early access
The full CDL bank for a focused month of prep.
Create a free account- 4,400+ CDL exam-style questions for your state
- 117 practice tests: General Knowledge, Air Brakes, Combination, Pre-Trip
- EVERY endorsement included: HazMat, Tanker, Passenger, School Bus, Doubles/Triples - no per-endorsement fees
- Exam Simulator with real time limits
- Fix It Bank - retrains only your mistakes
- English + Spanish
- Pass Guarantee (extend free or money back)
NEED MORE TIME?
Missouri
90 days
90-Day Pass
$ 79
One-time payment Just $0.88/day
Same full prep, three months of access. One payment.
Available at launch- Everything in the 30-Day Pass
- 90 days - pace endorsement tests one at a time
- Keep access through scheduling delays
- Pass Guarantee (extend free or money back)
FAMILY - UP TO 5 PEOPLE
Missouri
12 months
1-Year Family
$ 99
One-time payment
One payment. Whole family. Every license type. A full year.
Available at launch- Everything in every pass - for up to 5 family members
- ALL license types: DMV + CDL + Motorcycle
- English AND Spanish - full site, both included
- Each person gets their own progress & Fix It Bank
- A whole year - covers retakes, siblings, and late schedulers
- Pass Guarantee (extend free or money back)
What failing the real exam costs:
💸 $25–$50 retake fee
🕐 2–4 weeks for the next slot
🚌 another day off, another line
A pass costs less than one failed DMV trip - and if you still don’t pass, we extend free or refund you.
🛡️ The Pass Guarantee
1Finish your state’s practice tests and clear your Fix It Bank.
2Take your state’s knowledge exam within 30 days.
3Didn’t pass? Email us - we extend your access free or refund you. Your choice, no arguing.
Reviews
Be one of our first success stories
We just launched, so we won’t show you invented testimonials. Pass your exam, then tell other drivers how it went - every early review shapes what we build next.
FAQ
Yes. We’re in early access: a free account unlocks everything on this page - the full question bank, the Exam Simulator, and the Fix It Bank. No card required. When early access ends, the plans above become one-time payments; we’ll announce it well in advance.
Our questions are written from your state’s current driver handbook and mirror the style, wording, and difficulty of the real exam. State exams draw from a private pool, so no site can sell you the literal questions - anyone claiming to is guessing. Practicing the same rules in the same format is what makes the real test feel familiar.
It keeps working until its own expiry date - activating early locks in your access. When early access ends, new passes become one-time payments, but nothing changes for a pass you already hold.
Yes. The whole site works in any mobile browser - no app to install. Log in with the same account on your phone and laptop and your progress and Fix It Bank stay in sync.
Finish your state’s practice tests, clear your Fix It Bank, and take the exam within 30 days. If you don’t pass, email us your result - we extend your access for free or refund your payment. Your choice.
No. Every pass is a single payment that simply ends - nothing renews, nothing to cancel, no card on file.
Yes - the full site, every practice test, and all explanations are available in both English and Spanish. Switch anytime with the EN/ES toggle in the header.
A regular pass covers one person, one state, one license type. The 1-Year Family plan covers up to 5 people, every license type, for 12 months - each person gets their own progress and Fix It Bank.