# CristCDL.com Practice Test CDL vs NLC eBook Reader

The clearest difference is ads: NLC eBook Reader at none against CristCDL.com Practice Test CDL's shown. NLC eBook Reader also leads on update cadence (every 5 weeks vs every 5 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

CristCDL.com Practice Test CDL ships an update every 5 months, NLC eBook Reader every 5 weeks. The most recent releases landed on September 21, 2026 and September 15, 2026 respectively.

## The numbers

| Metric | CristCDL.com Practice Test CDL | NLC eBook Reader |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.7 (123 ratings)](https://appshunter.io/ios/app/cristcdlcom-practice-test-cdl/id6738142291/reviews)** | — |
| Number of ratings | **123** | — |
| Positive reviews | 15.9% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 5 months | **Every 5 weeks** |
| Monetization | Ad-supported | — |
| Size | 8 MB | 76 MB |
| Requires iOS | 15.5 | **14.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [William Crist](https://appshunter.io/developer/1779566537) | [Quanta Services](https://appshunter.io/developer/1449726206) |

## What reviewers say

### CristCDL.com Practice Test CDL

[App page](https://appshunter.io/ios/app/cristcdlcom-practice-test-cdl/id6738142291)

Prepare for your Commercial Driver's License (CDL) exams with state-specific practice tests. Access a comprehensive question bank, including specialized endorsements, and receive immediate feedback with explanations for each answer. Download your state manual for further study.

**Highlights:** State-specific practice tests, General Knowledge tests, Endorsement tests (Air Brakes, Tanker, etc.), Pre-Trip Inspection tests and videos, Immediate answer feedback with explanations, Downloadable state CDL manuals

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

**In-app purchases:** none


### NLC eBook Reader

[App page](https://appshunter.io/ios/app/nlc-ebook-reader/id6752949222)

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

**In-app purchases:** none


## Frequently asked questions

### Is CristCDL.com Practice Test CDL free?

CristCDL.com Practice Test CDL is free to download, with no in-app purchases.

### Is NLC eBook Reader free?

NLC eBook Reader is free to download, with no in-app purchases.

### Do CristCDL.com Practice Test CDL or NLC eBook Reader have ads?

CristCDL.com Practice Test CDL shows ads; NLC eBook Reader does not.

### Which is updated more often, CristCDL.com Practice Test CDL or NLC eBook Reader?

CristCDL.com Practice Test CDL ships an update every 5 months, and NLC eBook Reader every 5 weeks. Most recently, CristCDL.com Practice Test CDL was updated on September 21, 2026 and NLC eBook Reader on September 15, 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.*