# Полиглот 16 vs CDL Help

The clearest difference is price: CDL Help at Free against Полиглот 16's $2.99. CDL Help also leads on update cadence (every 2 days vs every 11 months) and ratings volume (5.4K vs 3). Полиглот 16's advantage is in-app purchases (none vs 23) and ads (none vs shown). On rating, review sentiment and device support there is nothing between them.

CDL Help is free to download; Полиглот 16 costs $2.99 up front. CDL Help sells 23 in-app purchases, starting at $9.99 per 7 days. Полиглот 16 asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for Полиглот 16 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 3, so its average is the more settled of the two. Written reviews are what separate them: 50% of Полиглот 16's written reviews are positive against 55% of CDL Help's.

Полиглот 16 ships an update every 11 months, CDL Help every 2 days. The most recent releases landed on October 17, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | Полиглот 16 | CDL Help |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/16/id1048905825/reviews)** | [4.9 (5.4K ratings)](https://appshunter.io/ios/app/cdl-help-cdl-prep-test-2026/id6444388755/reviews) |
| Number of ratings | 3 | **5.4K** |
| Positive reviews | 50.0% of reviews | **54.9% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 11 months | **Every 2 days** |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 40 MB | 131 MB |
| Requires iOS | **8.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Dmitry Petrov Center LLC](https://appshunter.io/developer/775754373) | [TruckDriver.help](https://appshunter.io/developer/1654388458) |

## What reviewers say

### Полиглот 16

[App page](https://appshunter.io/ios/app/16/id1048905825)

This app helps you learn English vocabulary through engaging and effective memorization techniques. It offers various training modes, including speech recognition, and categorizes words for focused learning. Enjoy a user-friendly interface with flexible settings for a personalized experience.

**Highlights:** 3 training modes: choose, write, speak, Speech recognition for speaking practice, Words categorized by topic, Mark known words, Example sentences for usage, Pronunciation of words and prompts

**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 Полиглот 16 free?

Полиглот 16 costs $2.99, with no in-app purchases.

### Is CDL Help free?

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

### Which has better reviews, Полиглот 16 or CDL Help?

Полиглот 16 is rated higher. Полиглот 16 averages 5.0 out of 5 from 3 ratings, while CDL Help averages 4.9 from 5.4K ratings.

### Do Полиглот 16 or CDL Help have ads?

CDL Help shows ads; Полиглот 16 does not.

### Which is updated more often, Полиглот 16 or CDL Help?

Полиглот 16 ships an update every 11 months, and CDL Help every 2 days. Most recently, Полиглот 16 was updated on October 17, 2026 and CDL Help on October 15, 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.*