# Class 4 Knowledge Test — ICBC Commercial License Exam

> ICBC Commercial License Exam (iPhone/iPad app by Quizzard Exam Preperation Inc..)

- Source: https://appshunter.io/ios/app/class-4-knowledge-test/id6796053563 (this page in markdown: same URL + `.md`)
- Developer: [Quizzard Exam Preperation Inc.](https://appshunter.io/developer/1707617401)
- Category: Education, Productivity
- Price: Free
- Age rating: 4+
- Requires: iOS 15.1 · 95 MB
- Languages: American English
- Released: 2026-08-15
- Data updated: 2026-09-06
- User reviews in markdown: https://appshunter.io/ios/app/class-4-knowledge-test/id6796053563/reviews.md

## What is Class 4 Knowledge Test?

Class 4 Knowledge Test: the only test prep tool that predicts your readiness for the Class 4 License with 98% accuracy.

Go into your exam knowing your exact chance of passing. Class 4 Knowledge Test turns your practice results into a real-time Passing Probability so you can study smarter, focus on weak areas, and walk into test day confident and prepared for your Class 4 License.


Features

- Passing probability engine that updates after every question and quiz
- 2,000+ practice questions crafted by driver-education experts
- Unit quizzes by subject to target the topics you need most
- Timed & marked mock exams that mirror the official format
- Study notes that simplify complex rules and safety standards


The Quizzard Process

Set a Passing Probability goal -> take subject-based quizzes -> review weak areas with missed questions & study notes -> take full-length exams once your Passing Probability goal is met. This 4-step workflow keeps you focused, efficient, and always aware of how close you are to a guaranteed pass.


Content Quality

Our blueprint is aligned to the core Class 4 License exam standards used across many jurisdictions for passenger-carrying and commercial vehicles (such as taxis, rideshare, limousines, ambulances, and small buses). You’ll cover road signs and rules, passenger safety, vehicle inspection and defect reporting, right-of-way, intersections and railway crossings, space and speed management, professional driver conduct, emergency procedures, and relevant regulatory requirements. Questions are vetted against the latest official handbooks and safety guidance; where regional differences exist, notes clarify how rules may vary so you always study the correct standard.


Customer Reviews

“I love seeing my readiness in a single number. The Passing Probability in Class 4 Knowledge Test said 92%—I booked the exam and passed.”

“Questions feel just like the real thing. Timed & marked mock exams prepared me perfectly for my Class 4 License.”

“The unit quizzes by subject and study notes cut my study time in half. I focused on weak areas and aced the test.”

“Accurate, up-to-date, and professional. Class 4 Knowledge Test gave me the confidence I needed.”


Pro tip for search

Find us fast by searching: Class 4 Knowledge Test, , , and .


Call to Action

Your Class 4 License opens the door to professional driving opportunities—get there with certainty. Download Class 4 Knowledge Test now, set your Passing Probability goal, and start practicing with the most precise, confidence-building prep available.


Terms of service: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/


## Version history (last 1 release)

### 1.0 — 2026-08-15

No release notes.

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All apps by Quizzard Exam Preperation Inc.: https://appshunter.io/developer/1707617401

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*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 2026-09-06.*