# 3MD CDL Prep vs CDL Prep

The clearest difference is in-app purchases: 3MD CDL Prep at none against CDL Prep's 2. 3MD CDL Prep also leads on ads (none vs shown) and update cadence (every 6 days vs every 6 months). CDL Prep's advantage is ratings volume (329 vs 2). On price, device support and iOS requirement there is nothing between them.

Both are free to download. CDL Prep sells 2 in-app purchases, starting at $19.99 per month. 3MD CDL Prep asks for nothing beyond the download.

3MD CDL Prep holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: CDL Prep has 329 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 Prep every 6 months. The most recent releases landed on September 10, 2026 and September 26, 2026 respectively.

## The numbers

| Metric | 3MD CDL Prep | CDL Prep |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/3md-cdl-prep/id1529732761/reviews)** | [4.6 (329 ratings)](https://appshunter.io/ios/app/cdl-prep-permit-practice-exam/id1564274292/reviews) |
| Number of ratings | 2 | **329** |
| Positive reviews | — | 85.7% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 6 days** | Every 6 months |
| Monetization | **Free** | Free with in-app purchases |
| Size | 10 MB | 63 MB |
| Requires iOS | 12.2 | **12.1** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [3MD Solutions, LLC.](https://appshunter.io/developer/1331155025) | [SHAREIT WIDGET PTE. LTD.](https://appshunter.io/developer/1619070259) |

## 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 Prep

[App page](https://appshunter.io/ios/app/cdl-prep-permit-practice-exam/id1564274292)

Prepare for your Commercial Driver's License (CDL) permit exam with practice questions, state-specific handbooks, and custom quizzes. Study by subject, track your progress, and learn from detailed explanations to pass your CDL test.

**Highlights:** Thousands of practice questions, State-specific CDL handbooks, Customizable quizzes by subject, Exam-like test simulations, Detailed explanations for answers, Progress tracking

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $19.99 | per month |
| Life-Time Premium | $94.99 | one-time |


## Frequently asked questions

### Is 3MD CDL Prep free?

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

### Is CDL Prep free?

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

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

3MD CDL Prep is rated higher. 3MD CDL Prep averages 5.0 out of 5 from 2 ratings, while CDL Prep averages 4.6 from 329 ratings.

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

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

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

3MD CDL Prep ships an update every 6 days, and CDL Prep every 6 months. Most recently, 3MD CDL Prep was updated on September 10, 2026 and CDL Prep on September 26, 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.*