# CDL Prep vs California CDL Prep Test

The clearest difference is in-app purchases: CDL Prep at none against California CDL Prep Test's 1. CDL Prep also leads on ratings volume (6.7K vs 129) and chart position (#124 vs unranked). California CDL Prep Test's advantage is iOS requirement (13.4 vs 15.0). On price, rating, update cadence and ads there is nothing between them.

Both are free to download. California CDL Prep Test sells 1 one-off in-app purchase. CDL Prep asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.7 for CDL Prep against 4.6 for California CDL Prep Test. That said, the two scores are not equally well evidenced: CDL Prep has 6.7K ratings behind it against 129, so its average is the more settled of the two.

CDL Prep ships an update every 2 months, California CDL Prep Test every 4 months. The most recent releases landed on September 27, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | CDL Prep | California CDL Prep Test |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (6.7K ratings)](https://appshunter.io/ios/app/cdl-prep/id1101536521/reviews)** | [4.6 (129 ratings)](https://appshunter.io/ios/app/california-cdl-prep-test/id1667839623/reviews) |
| Number of ratings | **6.7K** | 129 |
| Positive reviews | 80.7% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | **Every 2 months** | Every 4 months |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Best chart rank | **#124** | — |
| Size | 6 MB | 25 MB |
| Requires iOS | 15.0 | **13.4** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Jeffrey Diaz](https://appshunter.io/developer/1101536520) | [Altaf Mogal](https://appshunter.io/developer/1654308061) |

## What reviewers say

### CDL Prep

[App page](https://appshunter.io/ios/app/cdl-prep/id1101536521)

**Currently charting:** #124 Top Free · Education (US App Store)

Prepare for your Commercial Drivers License exams with a comprehensive question bank covering general knowledge and various endorsements. Practice with timed exams or instant feedback modes to identify areas for improvement.

**Highlights:** Over 500 practice questions, Timed exam mode, Endorsement topic exams, Instant feedback in practice mode, Randomized answer order

**Features:** Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 🚀 Accurate questions
- 👍 Helpful for passing tests
- 💯 Exactly like real test
- 🙌 Great study tool
- ✅ Passed on first try

**What reviewers complain about**

- 🔍 Some questions not on app
- 🔢 Too many ads
- 🔀 Can't close ads
- 🤔 Inconsistent answers

**Reported bugs**

- Back button issues
- Incorrect answers in app

**Requested features**

- Ad-free version
- Ability to report incorrect questions
- Include state-specific requirements


### 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 no in-app purchases.

### 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 4.7 out of 5 from 6.7K 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 2 months, and California CDL Prep Test every 4 months. Most recently, CDL Prep was updated on September 27, 2026 and California CDL Prep Test on September 20, 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.*