# CDL Prep vs Michigan CDL Prep Test

The clearest difference is in-app purchases: CDL Prep at none against Michigan CDL Prep Test's 1. CDL Prep also leads on ratings volume (6.7K vs 22) and chart position (#114 vs unranked). Michigan CDL Prep Test's advantage is iOS requirement (13.4 vs 15.0). On price, rating, update cadence and ads there is nothing between them.

Both are free to download. Michigan CDL Prep Test sells 1 one-off in-app purchase. CDL Prep asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.7 for CDL Prep against 4.7 for Michigan CDL Prep Test. That said, the two scores are not equally well evidenced: CDL Prep has 6.7K ratings behind it against 22, so its average is the more settled of the two.

CDL Prep ships an update every 2 months, Michigan CDL Prep Test every 4 months. The most recent releases landed on September 27, 2026 and August 17, 2026 respectively.

## The numbers

| Metric | CDL Prep | Michigan CDL Prep Test |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (6.7K ratings)](https://appshunter.io/ios/app/cdl-prep/id1101536521/reviews) | **[4.7 (22 ratings)](https://appshunter.io/ios/app/michigan-cdl-prep-test/id1668652410/reviews)** |
| Number of ratings | **6.7K** | 22 |
| Positive reviews | 80.7% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | **Every 2 months** | Every 4 months |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Best chart rank | **#114** | — |
| Size | 6 MB | 25 MB |
| Requires iOS | 15.0 | **13.4** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Jeffrey Diaz](https://appshunter.io/developer/1101536520) | [Altaf Mogal](https://appshunter.io/developer/1654308061) |

## What reviewers say

### CDL Prep

[App page](https://appshunter.io/ios/app/cdl-prep/id1101536521)

**Currently charting:** #114 Top Free · Education (US App Store)

Prepare for your Commercial Drivers License exams with a comprehensive question bank covering general knowledge and various endorsements. Practice with timed exams or instant feedback modes to identify areas for improvement.

**Highlights:** Over 500 practice questions, Timed exam mode, Endorsement topic exams, Instant feedback in practice mode, Randomized answer order

**Features:** Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 🚀 Accurate questions
- 👍 Helpful for passing tests
- 💯 Exactly like real test
- 🙌 Great study tool
- ✅ Passed on first try

**What reviewers complain about**

- 🔍 Some questions not on app
- 🔢 Too many ads
- 🔀 Can't close ads
- 🤔 Inconsistent answers

**Reported bugs**

- Back button issues
- Incorrect answers in app

**Requested features**

- Ad-free version
- Ability to report incorrect questions
- Include state-specific requirements


### Michigan CDL Prep Test

[App page](https://appshunter.io/ios/app/michigan-cdl-prep-test/id1668652410)

Prepare for your Michigan Commercial Driver's License exam with this comprehensive study tool. It offers practice tests, detailed explanations, and progress tracking to help you master key topics and identify areas for improvement.

**Highlights:** Practice tests based on official manual, Detailed question explanations, Progress tracking and weak question identification, Bookmark questions for later review, Multiple-choice questions with scoring, User-friendly interface with dark mode

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $4.99 | one-time |


## Frequently asked questions

### Is CDL Prep free?

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

### Is Michigan CDL Prep Test free?

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

### Which has better reviews, CDL Prep or Michigan CDL Prep Test?

Michigan CDL Prep Test is rated higher. CDL Prep averages 4.7 out of 5 from 6.7K ratings, while Michigan CDL Prep Test averages 4.7 from 22 ratings.

### Do CDL Prep or Michigan CDL Prep Test have ads?

Both CDL Prep and Michigan CDL Prep Test show ads.

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

CDL Prep ships an update every 2 months, and Michigan CDL Prep Test every 4 months. Most recently, CDL Prep was updated on September 27, 2026 and Michigan CDL Prep Test on August 17, 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.*