# CDL Prep Practice Test vs CDL HazMat

The clearest difference is in-app purchases: CDL HazMat at none against CDL Prep Practice Test's 15. CDL HazMat also leads on iOS requirement (13.0 vs 15.1). CDL Prep Practice Test's advantage is ads (none vs shown) and ratings volume (2.5K vs 13). On price, rating and device support there is nothing between them.

Both are free to download. CDL Prep Practice Test sells 11 in-app purchases, starting at $11.99 per 7 days. CDL HazMat asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.8 for CDL Prep Practice Test against 4.8 for CDL HazMat. That said, the two scores are not equally well evidenced: CDL Prep Practice Test has 2.5K ratings behind it against 13, so its average is the more settled of the two.

CDL Prep Practice Test ships an update every 3 days, CDL HazMat fortnightly. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | CDL Prep Practice Test | CDL HazMat |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (2.5K ratings)](https://appshunter.io/ios/app/cdl-prep-practice-test-2026/id6752642386/reviews)** | [4.8 (13 ratings)](https://appshunter.io/ios/app/cdl-hazmat-audio-prep-2026/id6758774591/reviews) |
| Number of ratings | **2.5K** | 13 |
| Positive reviews | 93.8% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | **Every 3 days** | Fortnightly |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 74 MB | 24 MB |
| Requires iOS | 15.1 | **13.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Aignite Inc.](https://appshunter.io/developer/1753704094) | [Mert Demir](https://appshunter.io/developer/1864769723) |

## What reviewers say

### CDL Prep Practice Test

[App page](https://appshunter.io/ios/app/cdl-prep-practice-test-2026/id6752642386)

Prepare for your Commercial Driver's License exam with state-aligned practice questions and realistic simulators. Features adaptive study plans, detailed explanations, and a readiness score to track your progress and boost confidence for test day.

**Highlights:** State-aligned practice questions, Realistic exam simulators, Adaptive study plan, Readiness score, Missed questions drills, Smart explanations, All endorsements covered

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

**In-app purchases (11)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Premium Subscription | $11.99 | per 7 days |
| Premium monthly subscription | $15.99 | per month |
| Premium monthly subscription | $15.99 | per month |
| Premium monthly subscription | $15.99 | per month |
| CDL Premium Access - 1 Month | $19.99 | per month |
| CDL Premium monthly subscription | $19.99 | per month |
| Premium monthly subscription | $19.99 | per month |
| CDL Premium Access - 1 Month | $24.99 | per month |
| Premium monthly subscription | $24.99 | per month |
| CDL Premium Access - Lifetime | $59.99 | one-time |
| CDL Premium Access - Lifetime | $69.99 | one-time |

**What reviewers like**

- 🚀 Dark mode option
- 💡 Motivating features
- 👍 Exam questions match DMV
- 👍 Helpful for non-readers
- 👍 Passed on first try

**What reviewers complain about**

- 💡 Need more practice questions
- 💡 Need more sample questions before paying

**Reported bugs**

- None mentioned

**Requested features**

- More practice questions for Tanker
- More sample questions before purchase


### CDL HazMat

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

This app offers an audio-first approach to studying for the CDL HazMat exam, ideal for busy truck drivers. It features hands-free audio playback, AI-powered mistake tracking, and offline access to practice questions mirroring the real test.

**Highlights:** Hands-free audio mode for listening while driving, AI-powered mistake tracking for weak areas, Updated with 2026 ELDT and FMCSA guidelines, Real exam simulation, 100% offline access, Covers all 50 states

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is CDL Prep Practice Test free?

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

### Is CDL HazMat free?

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

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

CDL Prep Practice Test is rated higher. CDL Prep Practice Test averages 4.8 out of 5 from 2.5K ratings, while CDL HazMat averages 4.8 from 13 ratings.

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

CDL HazMat shows ads; CDL Prep Practice Test does not.

### Which is updated more often, CDL Prep Practice Test or CDL HazMat?

CDL Prep Practice Test ships an update every 3 days, and CDL HazMat fortnightly. Most recently, CDL Prep Practice Test was updated on October 30, 2026 and CDL HazMat on October 31, 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.*