# CDL Test Pro 2021 vs CDL Prep

The clearest difference is review sentiment: CDL Test Pro 2021 at 83% against CDL Prep's 50%. CDL Test Pro 2021 also leads on rating (4.8 vs 4.6) and ratings volume (632 vs 153). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. CDL Test Pro 2021 sells 2 in-app purchases, starting at $4.99 per year and CDL Prep sells 9 in-app purchases, starting at $3.99 per 7 days. Whichever you choose, the download price is not the number that matters.

CDL Test Pro 2021 holds the better App Store score, 4.8 against 4.6. Both are backed by a comparable volume of ratings — 632 and 153 respectively. Written reviews point the same way: 83% of CDL Test Pro 2021's written reviews are positive against 50% of CDL Prep's.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on October 8, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | CDL Test Pro 2021 | CDL Prep |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (632 ratings)](https://appshunter.io/ios/app/cdl-test-pro-2021/id1072616321/reviews)** | [4.6 (153 ratings)](https://appshunter.io/ios/app/cdl-prep-permit-practice-test/id6475188900/reviews) |
| Number of ratings | **632** | 153 |
| Positive reviews | **82.7% of reviews** | 50.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 166 MB | 161 MB |
| Requires iOS | **10.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Hung Nguyen](https://appshunter.io/developer/1069358007) | [Jignesh Thakkar Huf](https://appshunter.io/developer/1583179349) |

## What reviewers say

### CDL Test Pro 2021

[App page](https://appshunter.io/ios/app/cdl-test-pro-2021/id1072616321)

Prepare for your Commercial Driver's License exam with a comprehensive study tool. Access thousands of practice questions, mock tests, and detailed performance reports to identify strengths and weaknesses. Study anytime, anywhere, with online and offline modes.

**Highlights:** 3000+ practice questions, Covers all CDL exam sections, Detailed score reports, Customizable mock tests, Online and offline modes, Daily notification reminders

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| CDL Basic | $4.99 | per year |
| CDL Premium | $6.99 | per year |

**What reviewers like**

- 🚀 Excellent for preparing for CDL test
- 👍 Helpful and informative app
- 🚀 Efficient for passing knowledge and endorsement tests
- 👍 Convenient and easy to use
- 👍 Great study tool

**What reviewers complain about**

- 🐛 Some questions have incorrect or misleading answers
- 🐛 Duplicate questions with different answers
- 🐛 Outdated or irrelevant questions

**Reported bugs**

- Incorrect or inconsistent answers in some questions
- Typos and formatting issues in some questions

**Requested features**

- State-specific versions of the app
- More frequent updates to keep content current


### CDL Prep

[App page](https://appshunter.io/ios/app/cdl-prep-permit-practice-test/id6475188900)

Prepare for your Commercial Driver's License exam with practice tests and detailed explanations. Access official handbooks and track your progress to master general knowledge and endorsement topics.

**Highlights:** Over 1200 practice questions, Realistic exam simulator, Detailed explanations for incorrect answers, Practice by category, Official handbook access, Progress monitoring, Randomized questions and answers

**Features:** macOS Compatibility

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Get 1000+ CDL Exam Questions | $3.99 | per 7 days |
| Unlock 2500+ CDL Exam Question | $4.99 | per 7 days |
| Unlock 2500+ CDL Exam Question | $5.99 | per 7 days |
| Unlock 2500+CDL Exam Questions | $12.99 | per month |
| Get 2500+ CDL Exam Questions | $12.99 | per month |
| Get 1000+ CDL Exam Questions | $12.99 | per year |
| Get 1000+ CDL Exam Questions | $14.99 | per year |
| Get 1000+ CDL Exam Questions | $24.99 | per year |
| Pay Once and Lifetime Access | $19.99 | one-time |


## Frequently asked questions

### Is CDL Test Pro 2021 free?

CDL Test Pro 2021 is free to download, with in-app purchases available.

### Is CDL Prep free?

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

### Which has better reviews, CDL Test Pro 2021 or CDL Prep?

CDL Test Pro 2021 is rated higher. CDL Test Pro 2021 averages 4.8 out of 5 from 632 ratings, while CDL Prep averages 4.6 from 153 ratings.

### Do CDL Test Pro 2021 or CDL Prep have ads?

Both CDL Test Pro 2021 and CDL Prep show ads.

### Which is updated more often, CDL Test Pro 2021 or CDL Prep?

CDL Test Pro 2021 ships an update every 2 months, and CDL Prep every 2 months. Most recently, CDL Test Pro 2021 was updated on October 8, 2026 and CDL Prep on October 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.*