Comparison

CDL Study vs CDL Prep +

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

CDL Study

Prepare for your Commercial Driver's License exam with state-specific practice tests and over 2,000 questions. Master endorsements, track your progress, and study offline to pass on your first attempt.

Highlights
  • 2,000+ state-specific questions
  • HazMat and endorsement coverage
  • Smart progress tracking
  • Unlimited exam simulators
  • Offline mode
  • English & Español support
Features
Read full description

CDL Practice Test 2026 — State-Specific CDL & HazMat Prep, 98 % Pass Rate Looking for the most accurate CDL practice test for 2026? CDL Study packs 2,000+ state questions, a full HazMat test and smart progress tracking in one app so you can pass on your first try. Why CDL Study beats other apps 2,000+ questions updated for 2026, straight from every state DMV manual (Texas, Florida, California, New York and more). State-specific tests: choose your DMV and study only what you will see on exam day. Proven 98 % pass rate — trusted by thousands of drivers nationwide. Unlimited exam simulators & offline mode: study anywhere, anytime. English & Español: switch language instantly for bilingual CDL prep. Written test & driving prep: master both parts of the CDL exam. Full endorsement coverage General Knowledge • Air Brakes • HazMat • Tankers • Doubles / Triples • Passenger • School Bus • Class A • Class B How it works Pick your state and endorsement. Take practice exams of 50 questions until you score 95 % or better. Review explanations, fix weak spots and track your progress. Walk into the DMV confident — permit and license in hand! Key benefits Save time: focus only on the material your state requires. Smart reinforcement: real-time analytics highlight weak topics. Works offline: perfect for truckers on routes with no signal. Cloud sync: continue CDL prep on any device. Free to start: try your first practice test at no cost. Real stories "Passed the New York CDL written test on the first try — questions matched word for word." — Mike D. "The HazMat and Air Brakes modules were exactly what I needed to get my permit." — Sarah L. "La mejor app para estudiar CDL en español. Pasé el examen a la primera." — Carlos R. Download CDL Study now Join thousands who have already passed the 2026 CDL exam. Get unlimited practice and earn your commercial driver's license on the first attempt. CDL Study — your complete CDL study guide and exam prep app. Install today and hit the road tomorrow! Terms of use: https://cdlstudyapp.com/terms

About

CDL Prep +

Read full description

A powerful mobile app created to help users prepare for the U.S. Commercial Driver’s License (CDL) exams for truck driving. It provides a wide range of effective practice tools, including interactive tests, engaging quizzes, a realistic exam simulator, and detailed performance statistics to track progress. The free version allows access to the first three practice tests, making it easy to start studying right away. Upgrading to the premium version unlocks all available tests, full access to quizzes and the exam simulator, as well as complete performance analytics. Whether you’re preparing for your first CDL exam or refreshing your knowledge of road rules, this app makes learning simple, efficient, and accessible. With a clean, user-friendly interface and up-to-date content, it’s an excellent study companion for aspiring truck drivers across the United States. This app contains auto-renewable subscriptions. You can cancel your subscription at any time: 1 week - Weekly - 4.99 USD, 1 month - Monthly - 12.99 USD, 1 year - Yearly - 39.99 USD, Lifetime - 59.99 USD Privacy Policy: https://docs.google.com/document/d/1V9vNgMt3mSbMACUPfoYBR6U6APqwBqfDZ0VySJsYRXc/edit?usp=sharing Terms of Use Link: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

CDL Study4 screens
CDL Prep +4 screens

Verdict

The call

The clearest difference is update cadence: CDL Prep + at monthly against CDL Study's every 4 months. CDL Study's advantage is iOS requirement (13.0 vs 16.0). On price, ads, in-app purchases and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. CDL Study sells 2 in-app purchases, starting at $19.99 per month and CDL Prep + sells 5 in-app purchases, starting at $4.99 per 7 days. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

CDL Study ships an update every 4 months, CDL Prep + monthly. The most recent releases landed on November 2, 2026 and October 30, 2026 respectively.

Scorecard2 real differences · 8 level
CDL Study versus CDL Prep +: the parameters behind the verdict, then further details
ParameterCDL StudyCDL Prep +
PriceFreeFree
Rating4.8 (2.2K ratings) — better—
Positive reviews55.2% of reviews—
Number of ratings2.2K — better—
Update frequencyEvery 4 monthsMonthly — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS13.0 — better16.0
Further details — not scored
Size47 MB67 MB
Age rating4+4+
DeveloperAdrian Del Jesus Sanchez MendezCLI Cyber, LLC

Bugs and requests

CDL Study

Reported bugs

5 issues
  • Incorrect answers marked as wrong
  • Questions not matching the answers
  • Poorly worded questions
  • Subscription cancellation issues
  • Intrusive ads that can't be closed

Requested features

4 requests
  • Improve accuracy of questions and answers
  • Enhance user interface and experience
  • Provide better subscription management options
  • Optimize ad placement and frequency

CDL Prep +

Not enough reviews yet to summarise bugs or requests.

In-app purchases

2 purchases

CDL Study

Subscriptions1
  • Premium Access3 Days trial$19.991 Month
One-time1
  • CDL Study Premium$71.90
5 purchases

CDL Prep +

Subscriptions4
  • Weekly3 Days trial$4.997 Days
  • Weekly-NoTrial$4.997 Days
  • Monthly$12.991 Month
Show 1 more
  • Yearly$39.991 Year
One-time1
  • Lifetime$59.99

Questions

Is CDL Study free?
CDL Study is free to download, with in-app purchases available.
Is CDL Prep + free?
CDL Prep + is free to download, with in-app purchases available.
Do CDL Study or CDL Prep + have ads?
Neither CDL Study nor CDL Prep + shows ads.
Which is updated more often, CDL Study or CDL Prep +?
CDL Study ships an update every 4 months, and CDL Prep + monthly. Most recently, CDL Study was updated on November 2, 2026 and CDL Prep + on October 30, 2026.

Other comparisons