# Illinois CDL Test Prep vs CDL Prep

The clearest difference is price: CDL Prep at Free against Illinois CDL Test Prep's $12.99. CDL Prep also leads on review sentiment (80% vs 38%) and update cadence (every 3 months vs every 11 months). Illinois CDL Test Prep's advantage is ads (none vs shown). On rating, in-app purchases, device support and iOS requirement there is nothing between them.

CDL Prep is free to download; Illinois CDL Test Prep costs $12.99 up front. Illinois CDL Test Prep sells 4 one-off in-app purchases and CDL Prep sells 5 in-app purchases, starting at $24.99 per month. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 4.7 for Illinois CDL Test Prep against 4.6 for CDL Prep. That said, the two scores are not equally well evidenced: CDL Prep has 3.2K ratings behind it against 93, so its average is the more settled of the two. Written reviews are what separate them: 38% of Illinois CDL Test Prep's written reviews are positive against 80% of CDL Prep's.

Illinois CDL Test Prep ships an update every 11 months, CDL Prep every 3 months. The most recent releases landed on October 10, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Illinois CDL Test Prep | CDL Prep |
| --- | --- | --- |
| Price | $12.99 | **Free** |
| Rating | **[4.7 (93 ratings)](https://appshunter.io/ios/app/illinois-cdl-test-prep/id689963706/reviews)** | [4.6 (3.2K ratings)](https://appshunter.io/ios/app/cdl-prep-practice-test-2026/id6446039122/reviews) |
| Number of ratings | 93 | **3.2K** |
| Positive reviews | 37.5% of reviews | **79.9% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 11 months | **Every 3 months** |
| Monetization | Paid | **Free with in-app purchases** |
| Best chart rank | — | **#196** |
| Size | 37 MB | 99 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Kelvin Beecroft](https://appshunter.io/developer/301291170) | [Best Fun Games](https://appshunter.io/developer/896888007) |

## What reviewers say

### Illinois CDL Test Prep

[App page](https://appshunter.io/ios/app/illinois-cdl-test-prep/id689963706)

Prepare for your Commercial Driver's License permit test with extensive practice questions and study materials. Learn at your own pace, even offline, and focus on the specific CDL class and endorsements you need. Includes the official manual and cheat sheets.

**Highlights:** Offline study capability, DMV-style practice quizzes, CDL class and endorsement focus, 580+ practice questions, Includes Illinois CDL Manual, Printable cheat sheets

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Air Brakes Cheat Sheet | Free | one-time |
| Cargo Cheat Sheet | Free | one-time |
| Passenger Cheat Sheet | Free | one-time |
| School Bus Cheat Sheet | Free | one-time |


### CDL Prep

[App page](https://appshunter.io/ios/app/cdl-prep-practice-test-2026/id6446039122)

**Currently charting:** #196 Top Grossing · Education (US App Store)

Prepare for your Commercial Driver's License (CDL) exam with over 1,600 practice questions covering all essential sections. Features a personalized study plan, readiness score, and detailed explanations to help you pass on your first attempt.

**Highlights:** 1,600+ expert-written practice questions, Comprehensive CDL exam section coverage, Personalized study plan, Readiness score, Detailed explanations for questions, Flashcards, Progress tracking

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium monthly subscription | $24.99 | per month |
| Premium annual subscription | $59.99 | per year |
| Lifetime premium access | $59.99 | one-time |
| Lifetime premium access | $74.99 | one-time |
| Lifetime premium access | $89.99 | one-time |

**What reviewers like**

- 🚀 Helpful for passing CDL tests
- 👍 Easy to use and navigate
- 💡 Variety of test options
- 🚀 Effective for preparing for endorsements
- 👍 Explanations for answers

**What reviewers complain about**

- 🐛 Some questions not matching actual test
- 🔒 Difficult to cancel subscription
- 💰 Expensive subscription
- 🐛 Repetitive questions

**Reported bugs**

- Unexpected charges after free trial
- Frequent prompts to leave reviews

**Requested features**

- More study materials and modules
- Better alignment with state-specific requirements
- Ability to flag/review missed questions


## Frequently asked questions

### Is Illinois CDL Test Prep free?

Illinois CDL Test Prep costs $12.99, and also offers in-app purchases.

### Is CDL Prep free?

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

### Which has better reviews, Illinois CDL Test Prep or CDL Prep?

Illinois CDL Test Prep is rated higher. Illinois CDL Test Prep averages 4.7 out of 5 from 93 ratings, while CDL Prep averages 4.6 from 3.2K ratings.

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

CDL Prep shows ads; Illinois CDL Test Prep does not.

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

Illinois CDL Test Prep ships an update every 11 months, and CDL Prep every 3 months. Most recently, Illinois CDL Test Prep was updated on October 10, 2026 and CDL Prep on October 14, 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.*