# CDL Study Prep vs CDL Inspection Coach

The clearest difference is in-app purchases: CDL Study Prep at none against CDL Inspection Coach's 1. On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. CDL Inspection Coach sells 1 one-off in-app purchase. CDL Study Prep asks for nothing beyond the download.

## The numbers

| Metric | CDL Study Prep | CDL Inspection Coach |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Weekly |
| Size | 35 MB | 40 MB |
| Requires iOS | 15.1 | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Damilola Adedeji](https://appshunter.io/developer/1092994289) | [William Kirkland](https://appshunter.io/developer/6803903756) |

## What reviewers say

### CDL Study Prep

[App page](https://appshunter.io/ios/app/cdl-study-prep-2026/id6763359347)

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

**In-app purchases:** none


### CDL Inspection Coach

[App page](https://appshunter.io/ios/app/cdl-inspection-coach/id6803903754)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| CDL Inspection Coach PRO | $9.99 | one-time |


## Frequently asked questions

### Is CDL Study Prep free?

CDL Study Prep is free to download, with no in-app purchases.

### Is CDL Inspection Coach free?

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

### Do CDL Study Prep or CDL Inspection Coach have ads?

Neither CDL Study Prep nor CDL Inspection Coach shows ads.

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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.*