# CDL Prep™ vs Illinois CDL Practice Tests

The clearest difference is update cadence: CDL Prep™ at every 4 days against Illinois CDL Practice Tests's every 5 months. On price, rating, ratings volume and ads there is nothing between them.

Both are free to download. CDL Prep™ sells 1 in-app purchase, starting at $5.99 per 7 days and Illinois CDL Practice Tests sells 3 in-app purchases, starting at $2.99 per 7 days. Whichever you choose, the download price is not the number that matters.

CDL Prep™ holds the better App Store score, 4.9 against 4.8. Both are backed by a comparable volume of ratings — 59 and 55 respectively.

CDL Prep™ ships an update every 4 days, Illinois CDL Practice Tests every 5 months. The most recent releases landed on September 29, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | CDL Prep™ | Illinois CDL Practice Tests |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (59 ratings)](https://appshunter.io/ios/app/cdl-prep/id1541781305/reviews)** | [4.8 (55 ratings)](https://appshunter.io/ios/app/illinois-cdl-practice-tests/id1604734921/reviews) |
| Number of ratings | **59** | 55 |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | **Every 4 days** | Every 5 months |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 47 MB | 33 MB |
| Requires iOS | **14.1** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [The PATG Group, Inc.](https://appshunter.io/developer/1214913266) | [Nilu Rathod](https://appshunter.io/developer/1589204601) |

## What reviewers say

### CDL Prep™

[App page](https://appshunter.io/ios/app/cdl-prep/id1541781305)

Prepare for your Commercial Driver's License (CDL) written exams with over 600 practice questions. This app covers various CDL categories and simulates the actual test format, providing immediate feedback on incorrect answers. It's designed to help you pass on your first attempt across all US states.

**Highlights:** Over 600 practice questions, Simulates actual test format, Immediate feedback on incorrect answers, Covers multiple CDL categories, Applicable for all US state exams, No registration required

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Exam Subscription | $5.99 | per 7 days |


### Illinois CDL Practice Tests

[App page](https://appshunter.io/ios/app/illinois-cdl-practice-tests/id1604734921)

Prepare for your Illinois CDL permit test with practice questions based on the official state manual. Track your progress, bookmark difficult questions, and improve your performance with this comprehensive study tool.

**Highlights:** Practice tests based on official manual, Progress tracking and history, Bookmark questions for later review, Performance-based improvement suggestions, Covers all CDL test categories, Intuitive user interface

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Premium Access | $2.99 | per 7 days |
| Monthly Premium Access | $7.99 | per month |
| Lifetime Premium Access | $12.99 | one-time |


## Frequently asked questions

### Is CDL Prep™ free?

CDL Prep™ is free to download, with in-app purchases available.

### Is Illinois CDL Practice Tests free?

Illinois CDL Practice Tests is free to download, with in-app purchases available.

### Which has better reviews, CDL Prep™ or Illinois CDL Practice Tests?

CDL Prep™ is rated higher. CDL Prep™ averages 4.9 out of 5 from 59 ratings, while Illinois CDL Practice Tests averages 4.8 from 55 ratings.

### Do CDL Prep™ or Illinois CDL Practice Tests have ads?

Both CDL Prep™ and Illinois CDL Practice Tests show ads.

### Which is updated more often, CDL Prep™ or Illinois CDL Practice Tests?

CDL Prep™ ships an update every 4 days, and Illinois CDL Practice Tests every 5 months. Most recently, CDL Prep™ was updated on September 29, 2026 and Illinois CDL Practice Tests on October 1, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*