# CDL Help vs Synak Pro (Synak KG)

The clearest difference is ads: Synak Pro (Synak KG) at none against CDL Help's shown. CDL Help's advantage is update cadence (every 2 days vs every 3 weeks). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. CDL Help sells 23 in-app purchases, starting at $9.99 per 7 days and Synak Pro (Synak KG) sells 10 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

CDL Help ships an update every 2 days, Synak Pro (Synak KG) every 3 weeks. Both last shipped on October 30, 2026.

## The numbers

| Metric | CDL Help | Synak Pro (Synak KG) |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (5.4K ratings)](https://appshunter.io/ios/app/cdl-help-cdl-prep-test-2026/id6444388755/reviews)** | — |
| Number of ratings | **5.4K** | — |
| Positive reviews | 55.4% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 2 days** | Every 3 weeks |
| Monetization | Free with in-app purchases | — |
| Size | 133 MB | 49 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [TruckDriver.help](https://appshunter.io/developer/1654388458) | [Chyngyz Malikov](https://appshunter.io/developer/1667146773) |

## What reviewers say

### 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


### Synak Pro (Synak KG)

[App page](https://appshunter.io/ios/app/synak-pro-synak-kg/id6475631947)

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Synak Pro 0.99 | $0.99 | one-time |
| Synak Pro 1.49 | $1.49 | one-time |
| Synak Pro 1.99 | $1.99 | one-time |
| Synak Pro 619.99 | $619.99 | one-time |
| Synak Pro 679.99 | $679.99 | one-time |
| Synak Pro 699.99 | $699.99 | one-time |
| Synak Pro 799.99 | $799.99 | one-time |
| Synak Pro 829.99 | $829.99 | one-time |
| Synak Pro 849.99 | $849.99 | one-time |
| Synak Pro 899.99 | $899.99 | one-time |


## Frequently asked questions

### Is CDL Help free?

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

### Is Synak Pro (Synak KG) free?

Synak Pro (Synak KG) is free to download, with in-app purchases available.

### Do CDL Help or Synak Pro (Synak KG) have ads?

CDL Help shows ads; Synak Pro (Synak KG) does not.

### Which is updated more often, CDL Help or Synak Pro (Synak KG)?

CDL Help ships an update every 2 days, and Synak Pro (Synak KG) every 3 weeks. Most recently, CDL Help was updated on October 30, 2026 and Synak Pro (Synak KG) on October 30, 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.*