# CDL Study vs CDL TTP

The clearest difference is rating: CDL Study at 4.8 against CDL TTP's 3.1. CDL Study also leads on ads (none vs shown). CDL TTP's advantage is in-app purchases (none vs 3) and iOS requirement (12.0 vs 17.0). On price, ratings volume, update cadence and device support there is nothing between them.

Both are free to download. CDL Study sells 3 in-app purchases, starting at $24.99 per month. CDL TTP asks for nothing beyond the download.

CDL Study holds the better App Store score, 4.8 against 3.1. Both are backed by a comparable volume of ratings — 6 and 16 respectively.

Both ship on a similar rhythm, roughly every 5 months. The most recent releases landed on September 6, 2026 and September 25, 2026 respectively.

## The numbers

| Metric | CDL Study | CDL TTP |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (6 ratings)](https://appshunter.io/ios/app/cdl-study/id1644841843/reviews)** | [3.1 (16 ratings)](https://appshunter.io/ios/app/cdl-ttp/id6478119158/reviews) |
| Number of ratings | 6 | **16** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 5 months | Every 5 months |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 24 MB | 35 MB |
| Requires iOS | 17.0 | **12.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 12+ |
| Developer | [Draunt LLC](https://appshunter.io/developer/1067629917) | [melih ornekbas](https://appshunter.io/developer/1449132291) |

## What reviewers say

### CDL Study

[App page](https://appshunter.io/ios/app/cdl-study/id1644841843)

Prepare thoroughly for your Commercial Driver's License permit test with comprehensive study materials and practice questions. Covers all necessary topics for Class A, B, and C licenses, including endorsements. Study offline to ace your exam on the first try.

**Highlights:** Practice test questions and answers, Covers all CDL license classes and endorsements, Includes Air Brakes, Hazmat, and more, Over 1000 practice questions, Offline compatibility, Progress tracking

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| CDL Monthly | $24.99 | per month |
| CDL 30-DAY Trial for $19.99 | $24.99 | per month |
| CDL Lifetime | $79.99 | one-time |


### CDL TTP

[App page](https://appshunter.io/ios/app/cdl-ttp/id6478119158)

Prepare for your Commercial Driver's License (CDL) exam with this free, user-friendly app. It offers a comprehensive question bank crafted by experts, allowing you to test your knowledge across all categories and track your progress.

**Highlights:** Free access, Comprehensive question bank, Realistic questions and answers, Progress saving, Expert-crafted content, User-friendly interface

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is CDL Study free?

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

### Is CDL TTP free?

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

### Which has better reviews, CDL Study or CDL TTP?

CDL Study is rated higher. CDL Study averages 4.8 out of 5 from 6 ratings, while CDL TTP averages 3.1 from 16 ratings.

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

CDL TTP shows ads; CDL Study does not.

### Which is updated more often, CDL Study or CDL TTP?

CDL Study ships an update every 5 months, and CDL TTP every 5 months. Most recently, CDL Study was updated on September 6, 2026 and CDL TTP on September 25, 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.*