# Illinois CDL Practice Tests vs CDL Prep

The clearest difference is ads: CDL Prep at none against Illinois CDL Practice Tests's shown. CDL Prep also leads on update cadence (every 3 weeks vs every 5 months). Illinois CDL Practice Tests's advantage is iOS requirement (15.1 vs 17.0). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Illinois CDL Practice Tests sells 3 in-app purchases, starting at $2.99 per 7 days and CDL Prep sells 2 in-app purchases, starting at $5.99 per month. Whichever you choose, the download price is not the number that matters.

Illinois CDL Practice Tests ships an update every 5 months, CDL Prep every 3 weeks. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Illinois CDL Practice Tests | CDL Prep |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (57 ratings)](https://appshunter.io/ios/app/illinois-cdl-practice-tests/id1604734921/reviews)** | — |
| Number of ratings | **57** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 5 months | **Every 3 weeks** |
| Monetization | Free with in-app purchases | — |
| Size | 33 MB | 14 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [Nilu Rathod](https://appshunter.io/developer/1589204601) | [Haresh Lakhwani](https://appshunter.io/developer/1856238004) |

## What reviewers say

### Illinois CDL Practice Tests

[App page](https://appshunter.io/ios/app/illinois-cdl-practice-tests/id1604734921)

Prepare for your Illinois CDL permit test with practice questions based on the official state manual. Track your progress, bookmark difficult questions, and improve your performance with this comprehensive study tool.

**Highlights:** Practice tests based on official manual, Progress tracking and history, Bookmark questions for later review, Performance-based improvement suggestions, Covers all CDL test categories, Intuitive user interface

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Premium Access | $2.99 | per 7 days |
| Monthly Premium Access | $7.99 | per month |
| Lifetime Premium Access | $12.99 | one-time |


### CDL Prep

[App page](https://appshunter.io/ios/app/cdl-prep-practice-exam-2026/id6804222939)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly | $5.99 | per month |
| Premium Yearly | $14.99 | per year |


## Frequently asked questions

### Is Illinois CDL Practice Tests free?

Illinois CDL Practice Tests is free to download, with in-app purchases available.

### Is CDL Prep free?

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

### Do Illinois CDL Practice Tests or CDL Prep have ads?

Illinois CDL Practice Tests shows ads; CDL Prep does not.

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

Illinois CDL Practice Tests ships an update every 5 months, and CDL Prep every 3 weeks. Most recently, Illinois CDL Practice Tests was updated on October 24, 2026 and CDL Prep on October 25, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*