# CDL HazMat vs CDL Practice Test

The clearest difference is in-app purchases: CDL HazMat at none against CDL Practice Test's 6. CDL HazMat also leads on iOS requirement (13.0 vs 18.0). CDL Practice Test's advantage is ads (none vs shown). On price and device support there is nothing between them.

Both are free to download. CDL Practice Test sells 6 one-off in-app purchases. CDL HazMat asks for nothing beyond the download.

## The numbers

| Metric | CDL HazMat | CDL Practice Test |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Fortnightly | — |
| Size | 24 MB | 12 MB |
| Requires iOS | **13.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Mert Demir](https://appshunter.io/developer/1864769723) | [xNeat.com](https://appshunter.io/developer/327498295) |

## What reviewers say

### CDL HazMat

[App page](https://appshunter.io/ios/app/cdl-hazmat-audio-prep-2026/id6758774591)

**Features:** macOS Compatibility

**In-app purchases:** none


### CDL Practice Test

[App page](https://appshunter.io/ios/app/cdl-practice-test/id6783215255)

**Features:** Vision Pro support

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| CDL Practice Test | $9.99 | one-time |
| CDL Test Prep | $14.99 | one-time |
| CDL Permit Test | $24.99 | one-time |
| CDL General Knowledge | $34.99 | one-time |
| Hazmat Test | $39.99 | one-time |
| CDL Test 2026 | $49.99 | one-time |


## Frequently asked questions

### Is CDL HazMat free?

CDL HazMat is free to download, with no in-app purchases.

### Is CDL Practice Test free?

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

### Do CDL HazMat or CDL Practice Test have ads?

CDL HazMat shows ads; CDL Practice Test 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.*