# World Class TKD Chicago vs CDL Help

The clearest difference is in-app purchases: World Class TKD Chicago at none against CDL Help's 23. World Class TKD Chicago also leads on iOS requirement (11.0 vs 15.0). CDL Help's advantage is update cadence (every 2 days vs every 18 months) and ratings volume (5.4K vs 7). On price, rating, ads and device support there is nothing between them.

Both are free to download. CDL Help sells 23 in-app purchases, starting at $9.99 per 7 days. World Class TKD Chicago asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for World Class TKD Chicago against 4.9 for CDL Help. That said, the two scores are not equally well evidenced: CDL Help has 5.4K ratings behind it against 7, so its average is the more settled of the two.

World Class TKD Chicago ships an update every 18 months, CDL Help every 2 days. The most recent releases landed on October 16, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | World Class TKD Chicago | CDL Help |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (7 ratings)](https://appshunter.io/ios/app/world-class-tkd-chicago/id1399758416/reviews)** | [4.9 (5.4K ratings)](https://appshunter.io/ios/app/cdl-help-cdl-prep-test-2026/id6444388755/reviews) |
| Number of ratings | 7 | **5.4K** |
| Positive reviews | — | 55.4% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 18 months | **Every 2 days** |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 25 MB | 131 MB |
| Requires iOS | **11.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [World Class Tae Kwon Do Centers, Inc.](https://appshunter.io/developer/1399758415) | [TruckDriver.help](https://appshunter.io/developer/1654388458) |

## What reviewers say

### World Class TKD Chicago

[App page](https://appshunter.io/ios/app/world-class-tkd-chicago/id1399758416)

This app provides access to martial arts curriculum, class schedules, and upcoming events for a leading Tae Kwon Do provider. Users can study Korean terms, connect with the school, and share their TKD journey with others.

**Highlights:** View curriculum manuals and videos, Check class schedules, See upcoming events, Study Korean terms with audio, Contact the school, Share with friends and family

**Features:** macOS Compatibility

**In-app purchases:** none


### CDL Help

[App page](https://appshunter.io/ios/app/cdl-help-cdl-prep-test-2026/id6444388755)

Prepare for your Commercial Driver's License exam with over 1000 practice questions. Study core and endorsement tests, including HazMat and Air Brakes, with detailed explanations. The app also supports learning CDL regulations and English simultaneously, with support for 10 languages.

**Highlights:** 1000+ practice questions, Core and endorsement tests, Detailed explanations, Multi-language support, Flashcards and reading mode, Frequently missed questions tracker, State-specific information

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

**In-app purchases (23)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 week subscription | $9.99 | per 7 days |
| Monthly subscription | $17.99 | per month |
| Monthly subscription | $19.99 | per month |
| Monthly subscription | $24.99 | per month |
| 1 month subscription | $24.99 | per month |
| 1 month subscription | $29.99 | per month |
| 1 month subscription | $29.99 | per month |
| 3 months subscription. | $39.99 | per 3 months |
| 3 months subscription. | $44.99 | per 3 months |
| 3 months subscription. | $49.99 | per 3 months |
| 3 months subscription | $54.99 | per 3 months |
| 3 months subscription | $64.99 | per 3 months |
| 3 months subscription | $64.99 | per 3 months |
| 6 months subscription. | $69.99 | per 6 months |
| 6 months subscription. | $79.99 | per 6 months |
| 6 months subscription | $84.99 | per 6 months |
| Annual (1 year) subscription. | $99.99 | per year |
| 6 months subscription | $99.99 | per 6 months |
| 6 months subscription | $99.99 | per 6 months |
| 1 year subscription | $129.99 | per year |
| Annual subscription. | $139.99 | per year |
| Annual subscription | $149.99 | per year |
| Annual subscription | $149.99 | per year |

**What reviewers like**

- 👍 Useful app for CDL permit exam preparation
- 🙏 Helpful for users with limited English proficiency
- 🚀 Questions and answers match DMV exams

**What reviewers complain about**

- 🐛 Incorrect translations and inconsistent answers
- 🐛 Questions and answers do not match DMV exams
- 🔒 Subscription issues and inability to cancel

**Reported bugs**

- Incorrect or missing questions and answers
- Inconsistencies between full and express versions
- Restore subscription functionality not working

**Requested features**

- Add audio pronunciation for better learning
- Randomize questions when reviewing
- Provide feedback on test performance


## Frequently asked questions

### Is World Class TKD Chicago free?

World Class TKD Chicago is free to download, with no in-app purchases.

### Is CDL Help free?

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

### Which has better reviews, World Class TKD Chicago or CDL Help?

World Class TKD Chicago is rated higher. World Class TKD Chicago averages 5.0 out of 5 from 7 ratings, while CDL Help averages 4.9 from 5.4K ratings.

### Do World Class TKD Chicago or CDL Help have ads?

Both World Class TKD Chicago and CDL Help show ads.

### Which is updated more often, World Class TKD Chicago or CDL Help?

World Class TKD Chicago ships an update every 18 months, and CDL Help every 2 days. Most recently, World Class TKD Chicago was updated on October 16, 2026 and CDL Help on October 18, 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.*