# CDL Prep vs CDL Prep Permit Test

The clearest difference is device support: CDL Prep at 3 against CDL Prep Permit Test's 1. CDL Prep also leads on iOS requirement (13.0 vs 17.6). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. CDL Prep sells 3 in-app purchases, starting at $5.99 per 7 days and CDL Prep Permit Test sells 2 in-app purchases, starting at $29.99 per month. Whichever you choose, the download price is not the number that matters.

Both ship on a similar rhythm, roughly every 4 months. The most recent releases landed on September 21, 2026 and May 17, 2026 respectively.

## The numbers

| Metric | CDL Prep | CDL Prep Permit Test |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (175 ratings)](https://appshunter.io/ios/app/cdl-prep-practice-test-2026/id6478266679/reviews)** | — |
| Number of ratings | **175** | — |
| Positive reviews | 33.3% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | Every 4 months |
| Monetization | Free with in-app purchases | — |
| Size | 50 MB | 1 MB |
| Requires iOS | **13.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Chutima Busaraprapakul](https://appshunter.io/developer/1706710113) | [Nikhil Kumar](https://appshunter.io/developer/1783391273) |

## What reviewers say

### CDL Prep

[App page](https://appshunter.io/ios/app/cdl-prep-practice-test-2026/id6478266679)

Prepare for your Commercial Driver's License (CDL) exam with practice tests and expert-designed content. This app offers a scientific study system, simulated exams, and detailed explanations to boost your confidence and help you pass on your first attempt.

**Highlights:** Scientific study system, 2,200+ practice questions, Detailed explanations, Simulated exams, Categorized by exam subjects, AI-powered tracking and analysis

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium (Weekly) | $5.99 | per 7 days |
| Premium (Monthly) | $17.99 | per month |
| Premium (Lifetime) | $99.99 | one-time |


### CDL Prep Permit Test

[App page](https://appshunter.io/ios/app/cdl-prep-permit-test/id6748701947)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| CDL Pro Monthly | $29.99 | per month |
| CDL Pro Yearly | $99.99 | per year |


## Frequently asked questions

### Is CDL Prep free?

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

### Is CDL Prep Permit Test free?

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

### Do CDL Prep or CDL Prep Permit Test have ads?

Neither CDL Prep nor CDL Prep Permit Test shows ads.

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

CDL Prep ships an update every 4 months, and CDL Prep Permit Test every 4 months. Most recently, CDL Prep was updated on September 21, 2026 and CDL Prep Permit Test on May 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.*