# CDL Prep Pro vs CDL Hazmat Practice Test Prep

The clearest difference is monetization model: CDL Prep Pro at free with in-app purchases against CDL Hazmat Practice Test Prep's subscription. CDL Prep Pro also leads on iOS requirement (15.1 vs 17.6). CDL Hazmat Practice Test Prep's advantage is ads (none vs shown). On price, rating, ratings volume and in-app purchases there is nothing between them.

Both are free to download. CDL Prep Pro sells 1 one-off in-app purchase and CDL Hazmat Practice Test Prep sells 2 in-app purchases, starting at $3.99 per 7 days. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 5.0 for CDL Prep Pro against 5.0 for CDL Hazmat Practice Test Prep. Both are backed by a comparable volume of ratings — 2 and 4 respectively.

## The numbers

| Metric | CDL Prep Pro | CDL Hazmat Practice Test Prep |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (2 ratings)](https://appshunter.io/ios/app/cdl-prep-pro-practice-test/id6761301775/reviews) | [5.0 (4 ratings)](https://appshunter.io/ios/app/cdl-hazmat-practice-test-prep/id6763618126/reviews) |
| Number of ratings | 2 | **4** |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 5 weeks | — |
| Monetization | **Free with in-app purchases** | Subscription |
| Size | 50 MB | 50 MB |
| Requires iOS | **15.1** | 17.6 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [MAXWELL TAYLOR BADE](https://appshunter.io/developer/1888765336) | [Zouhair Rouika](https://appshunter.io/developer/1812195644) |

## What reviewers say

### CDL Prep Pro

[App page](https://appshunter.io/ios/app/cdl-prep-pro-practice-test/id6761301775)

Prepare for your Commercial Driver's License exam with over 500 practice questions covering all major CDL sections and state-specific rules. Features smart study tools like automatic review of missed questions and progress tracking to ensure you pass on the first try.

**Highlights:** 500+ practice questions, State-specific rules for all 50 states, Smart Review for missed questions, Progress tracking, Mock exam mode, Instant explanations

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock All Sections | $19.99 | one-time |


### CDL Hazmat Practice Test Prep

[App page](https://appshunter.io/ios/app/cdl-hazmat-practice-test-prep/id6763618126)

Prepare for your commercial driver's license written exam with over 1,000 practice questions and full-length exams. Covers all CDL categories and endorsements with detailed explanations and progress tracking.

**Highlights:** 1,025 practice questions, Full-length practice exams, Learn and Review Modes, Weak question surfacing, Offline practice, Handbook viewer, Study streaks

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Plan | $3.99 | per 7 days |
| Yearly Plan | $24.99 | per year |


## Frequently asked questions

### Is CDL Prep Pro free?

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

### Is CDL Hazmat Practice Test Prep free?

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

### Which has better reviews, CDL Prep Pro or CDL Hazmat Practice Test Prep?

CDL Prep Pro and CDL Hazmat Practice Test Prep are both rated 5.0 out of 5 on the App Store, from 2 and 4 ratings respectively.

### Do CDL Prep Pro or CDL Hazmat Practice Test Prep have ads?

CDL Prep Pro shows ads; CDL Hazmat Practice Test Prep does not.

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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.*