# CDL Study Prep vs TTP CDL Prep

CDL Study Prep and TTP CDL Prep are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

## The numbers

| Metric | CDL Study Prep | TTP CDL Prep |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Size | 35 MB | 114 MB |
| Requires iOS | **15.1** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Damilola Adedeji](https://appshunter.io/developer/1092994289) | [mahmut under](https://appshunter.io/developer/1894750553) |

## 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


### TTP CDL Prep

[App page](https://appshunter.io/ios/app/ttp-cdl-prep/id6804511763)

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

**In-app purchases:** none


## Frequently asked questions

### Is CDL Study Prep free?

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

### Is TTP CDL Prep free?

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

### Do CDL Study Prep or TTP CDL Prep have ads?

Neither CDL Study Prep nor TTP CDL Prep 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.*