# CDL Prep™ vs California CDL Prep Test

The clearest difference is update cadence: CDL Prep™ at every 4 days against California CDL Prep Test's every 4 months. CDL Prep™ also leads on rating (4.9 vs 4.6). On price, ratings volume, ads and in-app purchases 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 California CDL Prep Test sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

CDL Prep™ holds the better App Store score, 4.9 against 4.6. Both are backed by a comparable volume of ratings — 59 and 129 respectively.

CDL Prep™ ships an update every 4 days, California CDL Prep Test every 4 months. The most recent releases landed on September 29, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | CDL Prep™ | California CDL Prep Test |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (59 ratings)](https://appshunter.io/ios/app/cdl-prep/id1541781305/reviews)** | [4.6 (129 ratings)](https://appshunter.io/ios/app/california-cdl-prep-test/id1667839623/reviews) |
| Number of ratings | 59 | **129** |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | **Every 4 days** | Every 4 months |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 47 MB | 25 MB |
| Requires iOS | 14.1 | **13.4** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [The PATG Group, Inc.](https://appshunter.io/developer/1214913266) | [Altaf Mogal](https://appshunter.io/developer/1654308061) |

## 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 |


### California CDL Prep Test

[App page](https://appshunter.io/ios/app/california-cdl-prep-test/id1667839623)

Prepare for your California Commercial Driver's License exam with this comprehensive study tool. It offers practice tests, detailed explanations, and progress tracking to help you identify and improve weak areas. Bookmark questions and review previous tests to ensure you're ready for the official exam.

**Highlights:** Practice tests based on official handbook, Bookmark questions for later review, Track progress and identify weak areas, Detailed explanations for questions, Resume and restart tests, Multiple choice questions with scoring

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $4.99 | one-time |


## Frequently asked questions

### Is CDL Prep™ free?

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

### Is California CDL Prep Test free?

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

### Which has better reviews, CDL Prep™ or California CDL Prep Test?

CDL Prep™ is rated higher. CDL Prep™ averages 4.9 out of 5 from 59 ratings, while California CDL Prep Test averages 4.6 from 129 ratings.

### Do CDL Prep™ or California CDL Prep Test have ads?

Both CDL Prep™ and California CDL Prep Test show ads.

### Which is updated more often, CDL Prep™ or California CDL Prep Test?

CDL Prep™ ships an update every 4 days, and California CDL Prep Test every 4 months. Most recently, CDL Prep™ was updated on September 29, 2026 and California CDL Prep Test on October 7, 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.*