# Illinois CDL Test Prep vs KZ Naz

The clearest difference is price: KZ Naz at Free against Illinois CDL Test Prep's $12.99. KZ Naz also leads on in-app purchases (none vs 4) and rating (5.0 vs 4.7). Illinois CDL Test Prep's advantage is ratings volume (96 vs 1). On update cadence, ads, device support and iOS requirement there is nothing between them.

KZ Naz is free to download; Illinois CDL Test Prep costs $12.99 up front. Illinois CDL Test Prep sells 4 one-off in-app purchases. KZ Naz asks for nothing beyond the download.

KZ Naz holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: Illinois CDL Test Prep has 96 ratings behind it against 1, so its average is the more settled of the two.

Illinois CDL Test Prep ships an update every 11 months, KZ Naz every 12 months. The most recent releases landed on October 21, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | Illinois CDL Test Prep | KZ Naz |
| --- | --- | --- |
| Price | $12.99 | **Free** |
| Rating | [4.7 (96 ratings)](https://appshunter.io/ios/app/illinois-cdl-test-prep/id689963706/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/kz-naz/id1672149633/reviews)** |
| Number of ratings | **96** | 1 |
| Positive reviews | 37.5% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 11 months** | Every 12 months |
| Monetization | Paid | **Free** |
| Size | 37 MB | 42 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Apple TV** |
| Age rating | 12+ | 4+ |
| Developer | [Kelvin Beecroft](https://appshunter.io/developer/301291170) | [First Church of the Nazarene (IL)](https://appshunter.io/developer/1672149635) |

## 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 |


### KZ Naz

[App page](https://appshunter.io/ios/app/kz-naz/id1672149633)

Access past and live messages, announcements, and online giving. This app helps users connect with a community focused on faith and serving a cause. Stay updated with church activities and information.

**Highlights:** Watch live streams, Listen to past messages, View announcements, Online giving, Community connection

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Illinois CDL Test Prep free?

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

### Is KZ Naz free?

KZ Naz is free to download, with no in-app purchases.

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

KZ Naz is rated higher. Illinois CDL Test Prep averages 4.7 out of 5 from 96 ratings, while KZ Naz averages 5.0 from 1 ratings.

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

Neither Illinois CDL Test Prep nor KZ Naz shows ads.

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

Illinois CDL Test Prep ships an update every 11 months, and KZ Naz every 12 months. Most recently, Illinois CDL Test Prep was updated on October 21, 2026 and KZ Naz on September 23, 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.*