Comparison

Illinois CDL Prep Test vs Virtual CDL Simulator

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

Head to head
About

Illinois CDL Prep Test

Prepare for the Illinois Commercial Driver's License exam with this comprehensive study tool. It offers practice questions based on the official study guide, progress tracking, and the ability to bookmark difficult questions for later review. Focus your studying on areas needing the most improvement to pass your CDL exam.

Highlights
  • Practice tests based on official study guide
  • Progress tracking and weak question identification
  • Bookmark questions for later review
  • Detailed explanations for questions
  • Resume and restart tests
  • On-the-spot results with scores
Features
Read full description

Illinois CDL Prep Test: The Illinois CDL Prep Test is a comprehensive study tool designed to help individuals prepare for the Illinois Commercial Driver License (CDL) exam. This app provides users with an interactive and engaging way to study for the CDL exam. The app covers all of the key topics, including:   * Vehicle inspection * Vehicle control * Air Brakes * Hazardous Materials * Transportation of passengers   The app includes a variety of practice questions for the CDL exam. These questions are based on the Illinois CDL Commercial Driver's License Study Guide. Users can track their progress and identify areas where they need more practice, allowing them to focus their studying on the areas where they need the most improvement.   App tracks the users completed practice tests. The app tracks their progress, allowing them to identify areas for improvement and track their overall progress. You should be able to "bookmark" questions so that you can study them later. In addition, the app provides a list of weak questions based on practice tests on CDL Prep Test. In the Illinois CDL Permit Practice Test, there are multiple-choice questions. You must correctly answer questions based on the passing marks or mistakes allowed for that particular test. Features: - Study and Practice tests - Driving rules - Knowledge test - Air Brakes - Combination - Bus Endorsement - Hazmat Endorsement - Double Endorsement - Tank Endorsement - Passenger Endorsement - Bookmark questions - Preview answers after the test is submitted. - Resume and Restart the test - Questions with explanation - Keep Track of Your Progress - List of Weak/Wrong Questions for Improvement - Review Previous tests - Appearance ( Auto / Light / Dark ) - Test - Result on-the-spot with score - Review test questions with answers and filter about right and wrong answers   The Illinois IL CDL Prep Test app is user-friendly and accessible, allowing individuals to study and prepare for the SOS CDL exam. The app aims to provide individuals with a comprehensive and convenient study resource to help them pass the CDL exam and obtain their commercial driver's license in Illinois. Whether you are a first-time CDL candidate or a seasoned professional, this app is an essential tool for passing the Illinois CDL exam and achieving your commercial driver's license. Content Source Our app includes a variety of practice questions for the Driver's license exam for Commercial Vehicles. These questions are based on the official handbook of different states. Disclaimer: This app is simply a fantastic tool for self-study and exam preparation. It has no affiliation with or endorsement from any government organisation, certificate, test, name, or trademark.

About

Virtual CDL Simulator

Practice the in-cab air-brake inspection for commercial driver's licenses with interactive gauges and controls. Offers guided learning, self-paced practice, and timed tests with immediate feedback. Designed for U.S. CDL study.

Highlights
  • Interactive air-brake inspection simulator
  • Realistic pressure gauges and controls
  • Guided learning mode
  • Self-paced practice mode
  • Timed test mode with feedback
  • Truck-only and truck-and-trailer configurations
Features
Read full description

Practice the in-cab air-brake inspection in an interactive simulator built for aspiring commercial drivers. Virtual CDL Simulator lets you work through realistic practice sequences using responsive primary and secondary pressure gauges, trailer air-supply and parking-brake controls, ignition and engine controls, the service brake, accelerator, and wheel chocks. TRAIN THREE WAYS • Learn — follow guided instructions and see the correct next action. • Practice — repeat the procedure and build confidence at your own pace. • Test — perform the sequence without hints and receive immediate feedback when an action is out of order. PRACTICE KEY AIR-BRAKE CHECKS • Governor cut-in and cutout • Static and applied leakage checks • Low-air warning activation • Automatic spring-brake application • Truck-only and truck-and-trailer configurations The app uses a Texas Class A training profile and is intended for U.S. CDL study and skills practice. Procedures, equipment, and examiner directions can vary. Use this app as a supplement to your current state CDL manual, instructor guidance, and hands-on practice in the vehicle you will test in. Virtual CDL Simulator is ad-supported. Ads may appear during app loading, when returning while the simulator is idle, or at natural breaks after training attempts. Ads do not interrupt timed checks or active test steps. Privacy choices are available in the app. Virtual CDL Simulator is an independent training tool. It is not affiliated with or endorsed by the Texas Department of Public Safety, the Federal Motor Carrier Safety Administration, or any licensing authority. It does not guarantee an exam result.

Screenshots

Illinois CDL Prep Test4 screens
Virtual CDL Simulator1 screens

Verdict

The call

The clearest difference is in-app purchases: Virtual CDL Simulator at none against Illinois CDL Prep Test's 1. Virtual CDL Simulator also leads on update cadence (every 2 days vs every 4 months) and rating (5.0 vs 4.8). Illinois CDL Prep Test's advantage is ratings volume (80 vs 1). On price, ads, device support and iOS requirement 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. Illinois CDL Prep Test sells 1 one-off in-app purchase. Virtual CDL Simulator asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Virtual CDL Simulator holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: Illinois CDL Prep Test has 80 ratings behind it against 1, so its average is the more settled of the two.

UpkeepUpdate frequency

Illinois CDL Prep Test ships an update every 4 months, Virtual CDL Simulator every 2 days. The most recent releases landed on September 17, 2026 and October 4, 2026 respectively.

Scorecard5 real differences · 5 level
Illinois CDL Prep Test versus Virtual CDL Simulator: the parameters behind the verdict, then further details
ParameterIllinois CDL Prep TestVirtual CDL Simulator
PriceFreeFree
Rating4.8 (80 ratings)5.0 (1 ratings) — better
Positive reviews100.0% of reviews—
Number of ratings80 — better1
Update frequencyEvery 4 monthsEvery 2 days — better
AdsYesYes
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesAd-supported — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13.413.0 — better
Further details — not scored
Size25 MB27 MB
Age rating4+4+
DeveloperAltaf MogalSteadfast Abundance LLC

Customer experience

Illinois CDL Prep Test

All ratings80 ratings
Positive92.5%
Neutral3.8%
Negative3.8%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Virtual CDL Simulator

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

1 purchases

Illinois CDL Prep Test

One-time1
  • Remove Ads$4.99
None

Virtual CDL Simulator

No in-app purchases

Questions

Is Illinois CDL Prep Test free?
Illinois CDL Prep Test is free to download, with in-app purchases available.
Is Virtual CDL Simulator free?
Virtual CDL Simulator is free to download, with no in-app purchases.
Which has better reviews, Illinois CDL Prep Test or Virtual CDL Simulator?
Virtual CDL Simulator is rated higher. Illinois CDL Prep Test averages 4.8 out of 5 from 80 ratings, while Virtual CDL Simulator averages 5.0 from 1 ratings.
Do Illinois CDL Prep Test or Virtual CDL Simulator have ads?
Both Illinois CDL Prep Test and Virtual CDL Simulator show ads.
Which is updated more often, Illinois CDL Prep Test or Virtual CDL Simulator?
Illinois CDL Prep Test ships an update every 4 months, and Virtual CDL Simulator every 2 days. Most recently, Illinois CDL Prep Test was updated on September 17, 2026 and Virtual CDL Simulator on October 4, 2026.

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