# Illinois Driving Permit Test vs CDL Prep

The clearest difference is ads: Illinois Driving Permit Test at none against CDL Prep's shown. Illinois Driving Permit Test also leads on update cadence (every 2 months vs every 6 months) and iOS requirement (9.0 vs 12.1). CDL Prep's advantage is review sentiment (86% vs 70%) and ratings volume (329 vs 33). On price, rating, in-app purchases and monetization model there is nothing between them.

Both are free to download. Illinois Driving Permit Test sells 2 one-off in-app purchases and CDL Prep sells 2 in-app purchases, starting at $19.99 per month. Whichever you choose, the download price is not the number that matters.

CDL Prep holds the better App Store score, 4.6 against 4.4. That said, the two scores are not equally well evidenced: CDL Prep has 329 ratings behind it against 33, so its average is the more settled of the two. Written reviews point the same way: 70% of Illinois Driving Permit Test's written reviews are positive against 86% of CDL Prep's.

Illinois Driving Permit Test ships an update every 2 months, CDL Prep every 6 months. The most recent releases landed on October 17, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | Illinois Driving Permit Test | CDL Prep |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.4 (33 ratings)](https://appshunter.io/ios/app/illinois-driving-permit-test/id433334628/reviews) | **[4.6 (329 ratings)](https://appshunter.io/ios/app/cdl-prep-permit-practice-exam/id1564274292/reviews)** |
| Number of ratings | 33 | **329** |
| Positive reviews | 70.4% of reviews | **85.7% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 2 months** | Every 6 months |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 83 MB | 63 MB |
| Requires iOS | **9.0** | 12.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Deedal Studios Inc](https://appshunter.io/developer/411285839) | [SHAREIT WIDGET PTE. LTD.](https://appshunter.io/developer/1619070259) |

## What reviewers say

### Illinois Driving Permit Test

[App page](https://appshunter.io/ios/app/illinois-driving-permit-test/id433334628)

Prepare for your Illinois driving permit test with practice questions based on the official driver's manual. Study various topics, track your progress, and get recommendations on when you're ready to take the actual exam. This app works offline and simulates the real test experience.

**Highlights:** 258 sample test questions, Latest Illinois DMV test questions, Questions divided into 19 topics, Random question generation, 3 test modes, Progress tracking and analysis, Offline functionality

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ad | $0.99 | one-time |
| Full Version Upgrade | $1.99 | one-time |


### CDL Prep

[App page](https://appshunter.io/ios/app/cdl-prep-permit-practice-exam/id1564274292)

Prepare for your Commercial Driver's License (CDL) permit exam with practice questions, state-specific handbooks, and custom quizzes. Study by subject, track your progress, and learn from detailed explanations to pass your CDL test.

**Highlights:** Thousands of practice questions, State-specific CDL handbooks, Customizable quizzes by subject, Exam-like test simulations, Detailed explanations for answers, Progress tracking

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $19.99 | per month |
| Life-Time Premium | $94.99 | one-time |


## Frequently asked questions

### Is Illinois Driving Permit Test free?

Illinois Driving Permit Test is free to download, with in-app purchases available.

### Is CDL Prep free?

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

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

CDL Prep is rated higher. Illinois Driving Permit Test averages 4.4 out of 5 from 33 ratings, while CDL Prep averages 4.6 from 329 ratings.

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

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

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

Illinois Driving Permit Test ships an update every 2 months, and CDL Prep every 6 months. Most recently, Illinois Driving Permit Test was updated on October 17, 2026 and CDL Prep on October 5, 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.*