# CDL Test Pro 2021 vs CDL Study

The clearest difference is ads: CDL Study at none against CDL Test Pro 2021's shown. CDL Study also leads on ratings volume (2.1K vs 640). CDL Test Pro 2021's advantage is review sentiment (83% vs 55%) and iOS requirement (10.0 vs 13.0). On price, rating, update cadence 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 Study sells 2 in-app purchases, starting at $19.99 per month. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 4.8 for CDL Test Pro 2021 against 4.8 for CDL Study. Both are backed by a comparable volume of ratings — 640 and 2.1K respectively. Written reviews are what separate them: 83% of CDL Test Pro 2021's written reviews are positive against 55% of CDL Study's.

CDL Test Pro 2021 ships an update every 2 months, CDL Study every 4 months. The most recent releases landed on October 24, 2026 and October 26, 2026 respectively.

## The numbers

| Metric | CDL Test Pro 2021 | CDL Study |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (640 ratings)](https://appshunter.io/ios/app/cdl-test-pro-2021/id1072616321/reviews)** | [4.8 (2.1K ratings)](https://appshunter.io/ios/app/cdl-study-practice-test-2026/id1447718378/reviews) |
| Number of ratings | 640 | **2.1K** |
| Positive reviews | **82.7% of reviews** | 55.2% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 2 months** | Every 4 months |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 166 MB | 47 MB |
| Requires iOS | **10.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Hung Nguyen](https://appshunter.io/developer/1069358007) | [Adrian Del Jesus Sanchez Mendez](https://appshunter.io/developer/1443887258) |

## 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 Study

[App page](https://appshunter.io/ios/app/cdl-study-practice-test-2026/id1447718378)

Prepare for your Commercial Driver's License exam with state-specific practice tests and over 2,000 questions. Master endorsements, track your progress, and study offline to pass on your first attempt.

**Highlights:** 2,000+ state-specific questions, HazMat and endorsement coverage, Smart progress tracking, Unlimited exam simulators, Offline mode, English & Español support

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Access | $19.99 | per month |
| CDL Study Premium | $71.90 | one-time |

**What reviewers like**

- 🚀 Helpful for studying and preparing for exams
- 👍 Easy to use and understand
- 👍 Comprehensive content coverage
- 👍 Useful for passing the permit test

**What reviewers complain about**

- 🐛 Incorrect answers marked as wrong
- 🐛 Questions don't match the answers
- 🐛 Poorly worded questions
- 🤬 Subscription cancellation issues
- 🤬 Intrusive ads that can't be closed

**Reported bugs**

- Incorrect answers marked as wrong
- Questions not matching the answers
- Poorly worded questions
- Subscription cancellation issues
- Intrusive ads that can't be closed

**Requested features**

- Improve accuracy of questions and answers
- Enhance user interface and experience
- Provide better subscription management options
- Optimize ad placement and frequency


## Frequently asked questions

### Is CDL Test Pro 2021 free?

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

### Is CDL Study free?

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

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

CDL Test Pro 2021 is rated higher. CDL Test Pro 2021 averages 4.8 out of 5 from 640 ratings, while CDL Study averages 4.8 from 2.1K ratings.

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

CDL Test Pro 2021 shows ads; CDL Study does not.

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

CDL Test Pro 2021 ships an update every 2 months, and CDL Study every 4 months. Most recently, CDL Test Pro 2021 was updated on October 24, 2026 and CDL Study on October 26, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*