# SD CDL Prep Test vs CDL Practice Test

The clearest difference is ads: CDL Practice Test at none against SD CDL Prep Test's shown. CDL Practice Test also leads on update cadence (every 3 weeks vs every 4 months). SD CDL Prep Test's advantage is iOS requirement (13.4 vs 17.0). 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 Practice Test sells 2 in-app purchases, starting at $5.99 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 Practice Test. Both are backed by a comparable volume of ratings — 2 and 1 respectively.

SD CDL Prep Test ships an update every 4 months, CDL Practice Test every 3 weeks. The most recent releases landed on September 15, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | SD CDL Prep Test | CDL Practice Test |
| --- | --- | --- |
| 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-practice-test-class-a-b-c/id6783982693/reviews) |
| Number of ratings | **2** | 1 |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 4 months | **Every 3 weeks** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 25 MB | 18 MB |
| Requires iOS | **13.4** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Altaf Mogal](https://appshunter.io/developer/1654308061) | [Hermes Inteligencia Digital Ltda](https://appshunter.io/developer/1896694873) |

## 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 Practice Test

[App page](https://appshunter.io/ios/app/cdl-practice-test-class-a-b-c/id6783982693)

Prepare for your Commercial Driver's License knowledge test with a comprehensive study tool. It offers thousands of practice questions with detailed explanations, personalized study plans, and progress tracking to help you pass on your first attempt.

**Highlights:** 2,587 practice questions, Explanations for every answer, 15 full topics covered, Daily study plans, Timed mode and mock exams, Progress tracking and pass probability, State-specific preparation

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $5.99 | per 7 days |
| Monthly | $14.99 | per month |


## Frequently asked questions

### Is SD CDL Prep Test free?

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

### Is CDL Practice Test free?

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

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

SD CDL Prep Test and CDL Practice Test 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 Practice Test have ads?

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

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

SD CDL Prep Test ships an update every 4 months, and CDL Practice Test every 3 weeks. Most recently, SD CDL Prep Test was updated on September 15, 2026 and CDL Practice Test on September 19, 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.*