# CDL Prep vs CristCDL.com Practice Test CDL

The clearest difference is review sentiment: CDL Prep at 81% against CristCDL.com Practice Test CDL's 16%. CDL Prep also leads on rating (4.7 vs 1.7) and ratings volume (6.7K vs 123). On price, ads, in-app purchases and monetization model there is nothing between them.

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

CDL Prep holds the better App Store score, 4.7 against 1.7. That said, the two scores are not equally well evidenced: CDL Prep has 6.7K ratings behind it against 123, so its average is the more settled of the two. Written reviews point the same way: 81% of CDL Prep's written reviews are positive against 16% of CristCDL.com Practice Test CDL's.

CDL Prep ships an update every 2 months, CristCDL.com Practice Test CDL every 5 months. The most recent releases landed on September 24, 2026 and September 26, 2026 respectively.

## The numbers

| Metric | CDL Prep | CristCDL.com Practice Test CDL |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (6.7K ratings)](https://appshunter.io/ios/app/cdl-prep/id1101536521/reviews)** | [1.7 (123 ratings)](https://appshunter.io/ios/app/cristcdlcom-practice-test-cdl/id6738142291/reviews) |
| Number of ratings | **6.7K** | 123 |
| Positive reviews | **80.7% of reviews** | 15.9% of reviews |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | **Every 2 months** | Every 5 months |
| Monetization | Ad-supported | Ad-supported |
| Best chart rank | **#102** | — |
| Size | 6 MB | 8 MB |
| Requires iOS | **15.0** | 15.5 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Jeffrey Diaz](https://appshunter.io/developer/1101536520) | [William Crist](https://appshunter.io/developer/1779566537) |

## What reviewers say

### CDL Prep

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

**Currently charting:** #102 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


### CristCDL.com Practice Test CDL

[App page](https://appshunter.io/ios/app/cristcdlcom-practice-test-cdl/id6738142291)

Prepare for your Commercial Driver's License (CDL) exams with state-specific practice tests. Access a comprehensive question bank, including specialized endorsements, and receive immediate feedback with explanations for each answer. Download your state manual for further study.

**Highlights:** State-specific practice tests, General Knowledge tests, Endorsement tests (Air Brakes, Tanker, etc.), Pre-Trip Inspection tests and videos, Immediate answer feedback with explanations, Downloadable state CDL manuals

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

**In-app purchases:** none


## Frequently asked questions

### Is CDL Prep free?

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

### Is CristCDL.com Practice Test CDL free?

CristCDL.com Practice Test CDL is free to download, with no in-app purchases.

### Which has better reviews, CDL Prep or CristCDL.com Practice Test CDL?

CDL Prep is rated higher. CDL Prep averages 4.7 out of 5 from 6.7K ratings, while CristCDL.com Practice Test CDL averages 1.7 from 123 ratings.

### Do CDL Prep or CristCDL.com Practice Test CDL have ads?

Both CDL Prep and CristCDL.com Practice Test CDL show ads.

### Which is updated more often, CDL Prep or CristCDL.com Practice Test CDL?

CDL Prep ships an update every 2 months, and CristCDL.com Practice Test CDL every 5 months. Most recently, CDL Prep was updated on September 24, 2026 and CristCDL.com Practice Test CDL 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.*