# SD CDL Prep Test vs CDL Pro

The clearest difference is ads: CDL Pro at none against SD CDL Prep Test's shown. CDL Pro also leads on update cadence (every 4 weeks vs every 4 months). SD CDL Prep Test's advantage is iOS requirement (13.4 vs 16.0). On price, rating, ratings volume and in-app purchases there is nothing between them.

Both are free to download. SD CDL Prep Test sells 1 one-off in-app purchase and CDL Pro sells 4 in-app purchases, starting at $7.99 per 7 days. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 5.0 for SD CDL Prep Test against 5.0 for CDL Pro. Both are backed by a comparable volume of ratings — 2 and 1 respectively.

SD CDL Prep Test ships an update every 4 months, CDL Pro every 4 weeks. The most recent releases landed on October 2, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | SD CDL Prep Test | CDL Pro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (2 ratings)](https://appshunter.io/ios/app/sd-cdl-prep-test/id1668949026/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/cdl-pro-test-prep-2026/id6759588019/reviews) |
| Number of ratings | **2** | 1 |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 4 months | **Every 4 weeks** |
| Monetization | Free with in-app purchases | Freemium |
| Size | 25 MB | 9 MB |
| Requires iOS | **13.4** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Altaf Mogal](https://appshunter.io/developer/1654308061) | [DUMITRU BUMBU](https://appshunter.io/developer/1868107712) |

## What reviewers say

### SD CDL Prep Test

[App page](https://appshunter.io/ios/app/sd-cdl-prep-test/id1668949026)

Prepare for your South Dakota Commercial Driver's License exam with this comprehensive study tool. It offers interactive practice tests covering all key topics, progress tracking, and detailed explanations to help you identify areas for improvement and pass your CDL exam.

**Highlights:** Comprehensive study material, Interactive practice tests, Progress tracking and analysis, Bookmarking of questions, Detailed question explanations, Resume and restart tests, Weak/wrong question review

**Features:** macOS Compatibility

**In-app purchases (1)**

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


### CDL Pro

[App page](https://appshunter.io/ios/app/cdl-pro-test-prep-2026/id6759588019)

Prepare for your Commercial Driver's License written exam with realistic practice questions and detailed explanations. Study various CDL categories and endorsements anytime, anywhere, with progress tracking to monitor your improvement.

**Highlights:** Realistic practice tests, Exam-style quizzes, Clear answer explanations, Smart review tools, Progress tracking, Distraction-free design

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| CDL Pro Weekly | $7.99 | per 7 days |
| CDL Pro Monthly | $19.99 | per month |
| CDL Pro Quarterly | $49.99 | per 3 months |
| CDL Pro Lifetime | $99.99 | one-time |


## Frequently asked questions

### Is SD CDL Prep Test free?

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

### Is CDL Pro free?

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

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

SD CDL Prep Test and CDL Pro are both rated 5.0 out of 5 on the App Store, from 2 and 1 ratings respectively.

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

SD CDL Prep Test shows ads; CDL Pro does not.

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

SD CDL Prep Test ships an update every 4 months, and CDL Pro every 4 weeks. Most recently, SD CDL Prep Test was updated on October 2, 2026 and CDL Pro on October 1, 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.*