# 3MD CDL Prep vs CDL DMV Written Test

The clearest difference is ads: 3MD CDL Prep at none against CDL DMV Written Test's shown. 3MD CDL Prep also leads on update cadence (every 6 days vs monthly) and monetization model (free vs ad-supported). CDL DMV Written Test's advantage is ratings volume (1.5K vs 2). On price, rating, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 5.0 for 3MD CDL Prep against 4.9 for CDL DMV Written Test. That said, the two scores are not equally well evidenced: CDL DMV Written Test has 1.5K 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 DMV Written Test monthly. The most recent releases landed on November 3, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | 3MD CDL Prep | CDL DMV Written Test |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/3md-cdl-prep/id1529732761/reviews)** | [4.9 (1.5K ratings)](https://appshunter.io/ios/app/cdl-dmv-written-test/id6502847914/reviews) |
| Number of ratings | 2 | **1.5K** |
| Positive reviews | — | 68.4% of reviews |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 6 days** | Monthly |
| Monetization | **Free** | Ad-supported |
| Size | 10 MB | 83 MB |
| Requires iOS | **12.2** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [3MD Solutions, LLC.](https://appshunter.io/developer/1331155025) | [Infinity Loop Capital LLc](https://appshunter.io/developer/1480211134) |

## 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 DMV Written Test

[App page](https://appshunter.io/ios/app/cdl-dmv-written-test/id6502847914)

Prepare for your Commercial Driver's License (CDL) written test with comprehensive practice exams covering all 50 states. Master general knowledge, air brakes, and various endorsements with targeted study materials designed for efficient learning and a high success rate.

**Highlights:** State-specific practice exams, Class A & B general knowledge, Endorsement preparation (Hazmat, Bus, etc.), Updated 2026 test content, Unlimited free practice tests, No registration required

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

**In-app purchases:** none

**What reviewers like**

- 🚀 Easy to use
- 💡 Useful study tool
- 👍 Helpful for exams

**What reviewers complain about**

- 🐛 Inaccurate questions
- 💰 Annoying ads
- 🔍 Inability to review wrong answers

**Reported bugs**

- Unreliable for exam preparation
- Incompatible with real exam questions

**Requested features**

- Option to remove ads
- Ability to review incorrect answers


## Frequently asked questions

### Is 3MD CDL Prep free?

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

### Is CDL DMV Written Test free?

CDL DMV Written Test is free to download, with no in-app purchases.

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

3MD CDL Prep is rated higher. 3MD CDL Prep averages 5.0 out of 5 from 2 ratings, while CDL DMV Written Test averages 4.9 from 1.5K ratings.

### Do 3MD CDL Prep or CDL DMV Written Test have ads?

CDL DMV Written Test shows ads; 3MD CDL Prep does not.

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

3MD CDL Prep ships an update every 6 days, and CDL DMV Written Test monthly. Most recently, 3MD CDL Prep was updated on November 3, 2026 and CDL DMV Written Test on November 4, 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.*