# CDL Prep Practice Test vs NLC eBook Reader

The clearest difference is in-app purchases: NLC eBook Reader at none against CDL Prep Practice Test's 15. CDL Prep Practice Test's advantage is update cadence (every 3 days vs every 5 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. CDL Prep Practice Test sells 11 in-app purchases, starting at $11.99 per 7 days. NLC eBook Reader asks for nothing beyond the download.

CDL Prep Practice Test ships an update every 3 days, NLC eBook Reader every 5 weeks. The most recent releases landed on September 23, 2026 and September 15, 2026 respectively.

## The numbers

| Metric | CDL Prep Practice Test | NLC eBook Reader |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (1.9K ratings)](https://appshunter.io/ios/app/cdl-prep-practice-test-2026/id6752642386/reviews)** | — |
| Number of ratings | **1.9K** | — |
| Positive reviews | 93.7% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 days** | Every 5 weeks |
| Monetization | Free with in-app purchases | — |
| Size | 74 MB | 76 MB |
| Requires iOS | 15.1 | **14.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Aignite Inc.](https://appshunter.io/developer/1753704094) | [Quanta Services](https://appshunter.io/developer/1449726206) |

## What reviewers say

### CDL Prep Practice Test

[App page](https://appshunter.io/ios/app/cdl-prep-practice-test-2026/id6752642386)

Prepare for your Commercial Driver's License exam with state-aligned practice questions and realistic simulators. Features adaptive study plans, detailed explanations, and a readiness score to track your progress and boost confidence for test day.

**Highlights:** State-aligned practice questions, Realistic exam simulators, Adaptive study plan, Readiness score, Missed questions drills, Smart explanations, All endorsements covered

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

**In-app purchases (11)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Premium Subscription | $11.99 | per 7 days |
| Premium monthly subscription | $15.99 | per month |
| Premium monthly subscription | $15.99 | per month |
| Premium monthly subscription | $15.99 | per month |
| CDL Premium Access - 1 Month | $19.99 | per month |
| CDL Premium monthly subscription | $19.99 | per month |
| Premium monthly subscription | $19.99 | per month |
| CDL Premium Access - 1 Month | $24.99 | per month |
| Premium monthly subscription | $24.99 | per month |
| CDL Premium Access - Lifetime | $59.99 | one-time |
| CDL Premium Access - Lifetime | $69.99 | one-time |

**What reviewers like**

- 🚀 Dark mode option
- 💡 Motivating features
- 👍 Exam questions match DMV
- 👍 Helpful for non-readers
- 👍 Passed on first try

**What reviewers complain about**

- 💡 Need more practice questions
- 💡 Need more sample questions before paying

**Reported bugs**

- None mentioned

**Requested features**

- More practice questions for Tanker
- More sample questions before purchase


### 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 CDL Prep Practice Test free?

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

### Is NLC eBook Reader free?

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

### Do CDL Prep Practice Test or NLC eBook Reader have ads?

Neither CDL Prep Practice Test nor NLC eBook Reader shows ads.

### Which is updated more often, CDL Prep Practice Test or NLC eBook Reader?

CDL Prep Practice Test ships an update every 3 days, and NLC eBook Reader every 5 weeks. Most recently, CDL Prep Practice Test was updated on September 23, 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.*