# CDL Prep vs Aviator Online

The clearest difference is in-app purchases: Aviator Online at none against CDL Prep's 2. CDL Prep's advantage is iOS requirement (12.1 vs 15.0). On price and device support there is nothing between them.

Both are free to download. CDL Prep sells 2 in-app purchases, starting at $19.99 per month. Aviator Online asks for nothing beyond the download.

## The numbers

| Metric | CDL Prep | Aviator Online |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (328 ratings)](https://appshunter.io/ios/app/cdl-prep-permit-practice-exam/id1564274292/reviews)** | — |
| Number of ratings | **328** | — |
| Positive reviews | 85.7% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | — |
| Update frequency | Every 6 months | — |
| Monetization | Free with in-app purchases | — |
| Size | 63 MB | 4 MB |
| Requires iOS | **12.1** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [SHAREIT WIDGET PTE. LTD.](https://appshunter.io/developer/1619070259) | [Sierra Charlie Online LLC](https://appshunter.io/developer/1724497189) |

## What reviewers say

### 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 |


### Aviator Online

[App page](https://appshunter.io/ios/app/aviator-online/id6475613592)

**In-app purchases:** none


## Frequently asked questions

### Is CDL Prep free?

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

### Is Aviator Online free?

Aviator Online is free to download, with no in-app purchases.

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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.*