# CDL Master vs CDL Study Prep

The clearest difference is in-app purchases: CDL Study Prep at none against CDL Master's 4. On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. CDL Master sells 4 in-app purchases, starting at $4.99 per 7 days. CDL Study Prep asks for nothing beyond the download.

## The numbers

| Metric | CDL Master | CDL Study Prep |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/cdl-master-practice-test-2026/id6759587711/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 weeks | — |
| Monetization | Freemium | — |
| Size | 9 MB | 35 MB |
| Requires iOS | 16.0 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [DUMITRU BUMBU](https://appshunter.io/developer/1868107712) | [Damilola Adedeji](https://appshunter.io/developer/1092994289) |

## What reviewers say

### CDL Master

[App page](https://appshunter.io/ios/app/cdl-master-practice-test-2026/id6759587711)

Prepare for your Commercial Driver's License written test with extensive practice questions, timed exams, and smart review features. Track your progress and master key knowledge areas for your CDL exam.

**Highlights:** 435 CDL practice questions, Detailed explanations for each question, Timed exam mode, Smart review of difficult questions, Mistake review for weak areas, Progress dashboard, Offline study

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Access | $4.99 | per 7 days |
| Monthly Access | $12.99 | per month |
| Quarterly Access | $29.99 | per 3 months |
| Lifetime Access | $49.99 | one-time |


### CDL Study Prep

[App page](https://appshunter.io/ios/app/cdl-study-prep-2026/id6763359347)

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

**In-app purchases:** none


## Frequently asked questions

### Is CDL Master free?

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

### Is CDL Study Prep free?

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

### Do CDL Master or CDL Study Prep have ads?

Neither CDL Master nor CDL Study Prep shows ads.

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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.*