# CDL Prep vs Driving Theory Test Kit

The clearest difference is ads: CDL Prep at none against Driving Theory Test Kit's shown. Driving Theory Test Kit's advantage is update cadence (every 3 weeks vs every 4 months). On price, in-app purchases, device support and iOS requirement 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 Driving Theory Test Kit sells 3 in-app purchases, starting at $2.99 per 7 days. Whichever you choose, the download price is not the number that matters.

CDL Prep ships an update every 4 months, Driving Theory Test Kit every 3 weeks. The most recent releases landed on October 24, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | CDL Prep | Driving Theory Test Kit |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (186 ratings)](https://appshunter.io/ios/app/cdl-prep-practice-test-2026/id6478266679/reviews)** | — |
| Number of ratings | **186** | — |
| Positive reviews | 33.3% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 4 months | **Every 3 weeks** |
| Monetization | Free with in-app purchases | — |
| Size | 50 MB | 60 MB |
| Requires iOS | 13.0 | **12.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Chutima Busaraprapakul](https://appshunter.io/developer/1706710113) | [Gohel Prakashbhai](https://appshunter.io/developer/1774240250) |

## 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 |


### Driving Theory Test Kit

[App page](https://appshunter.io/ios/app/driving-theory-test-kit/id6739275039)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Weekly | $2.99 | per 7 days |
| Premium Monthly | $9.99 | per month |
| Premium Yearly | $29.99 | per year |


## Frequently asked questions

### Is CDL Prep free?

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

### Is Driving Theory Test Kit free?

Driving Theory Test Kit is free to download, with in-app purchases available.

### Do CDL Prep or Driving Theory Test Kit have ads?

Driving Theory Test Kit shows ads; CDL Prep does not.

### Which is updated more often, CDL Prep or Driving Theory Test Kit?

CDL Prep ships an update every 4 months, and Driving Theory Test Kit every 3 weeks. Most recently, CDL Prep was updated on October 24, 2026 and Driving Theory Test Kit on October 11, 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.*