# 3MD CDL Prep vs CDL Mastery

The clearest difference is rating: 3MD CDL Prep at 5.0 against CDL Mastery's 4.4. 3MD CDL Prep also leads on in-app purchases (none vs 3) and ads (none vs shown). CDL Mastery's advantage is ratings volume (18 vs 2). On price and device support there is nothing between them.

Both are free to download. CDL Mastery sells 3 in-app purchases, starting at $2.99 per month. 3MD CDL Prep asks for nothing beyond the download.

3MD CDL Prep holds the better App Store score, 5.0 against 4.4. That said, the two scores are not equally well evidenced: CDL Mastery has 18 ratings behind it against 2, so its average is the more settled of the two.

3MD CDL Prep ships an update every 6 days, CDL Mastery every 7 months. The most recent releases landed on October 14, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | 3MD CDL Prep | CDL Mastery |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/3md-cdl-prep/id1529732761/reviews)** | [4.4 (18 ratings)](https://appshunter.io/ios/app/cdl-mastery-exam-prep-2024/id1662058803/reviews) |
| Number of ratings | 2 | **18** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 6 days** | Every 7 months |
| Monetization | **Free** | Free with in-app purchases |
| Size | 10 MB | 14 MB |
| Requires iOS | **12.2** | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [3MD Solutions, LLC.](https://appshunter.io/developer/1331155025) | [Samsuddin Ahmed Sohag](https://appshunter.io/developer/1566910709) |

## What reviewers say

### 3MD CDL Prep

[App page](https://appshunter.io/ios/app/3md-cdl-prep/id1529732761)

Prepare for your Commercial Driver's License (CDL) exam with over 500 practice questions. The app offers both test and exam modes to simulate real testing conditions and help you succeed.

**Highlights:** Over 500 practice questions, Test mode, Exam mode, CDL exam preparation, Simulated testing

**In-app purchases:** none


### CDL Mastery

[App page](https://appshunter.io/ios/app/cdl-mastery-exam-prep-2024/id1662058803)

Prepare for your commercial driver's license exam with practice questions covering traffic signs, road rules, and safe driving. This app offers random question sets to simulate the real test and provides tips to help you pass efficiently.

**Highlights:** Practice questions for CDL exam, Covers traffic signs and road rules, Randomized test simulations, Tips for passing the exam, Study essential topics, Subscription access to content

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly subscription | $2.99 | per month |
| Yearly subscription | $5.99 | per year |
| Buy Life Time Access | $6.99 | one-time |


## Frequently asked questions

### Is 3MD CDL Prep free?

3MD CDL Prep is free to download, with no in-app purchases.

### Is CDL Mastery free?

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

### Which has better reviews, 3MD CDL Prep or CDL Mastery?

3MD CDL Prep is rated higher. 3MD CDL Prep averages 5.0 out of 5 from 2 ratings, while CDL Mastery averages 4.4 from 18 ratings.

### Do 3MD CDL Prep or CDL Mastery have ads?

CDL Mastery shows ads; 3MD CDL Prep does not.

### Which is updated more often, 3MD CDL Prep or CDL Mastery?

3MD CDL Prep ships an update every 6 days, and CDL Mastery every 7 months. Most recently, 3MD CDL Prep was updated on October 14, 2026 and CDL Mastery on September 24, 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.*