# Дельта тест 3.0 Конвенция Плюс vs cMate Apps Конвенция плюс

The clearest difference is review sentiment: Дельта тест 3.0 Конвенция Плюс at 68% against cMate Apps Конвенция плюс's 22%. Дельта тест 3.0 Конвенция Плюс also leads on update cadence (every 2 months vs every 12 months). cMate Apps Конвенция плюс's advantage is in-app purchases (none vs 20). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Дельта тест 3.0 Конвенция Плюс sells 20 one-off in-app purchases. cMate Apps Конвенция плюс asks for nothing beyond the download.

Дельта тест 3.0 Конвенция Плюс ships an update every 2 months, cMate Apps Конвенция плюс every 12 months. The most recent releases landed on September 26, 2026 and August 31, 2026 respectively.

## The numbers

| Metric | Дельта тест 3.0 Конвенция Плюс | cMate Apps Конвенция плюс |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.2 (16 ratings)](https://appshunter.io/ios/app/30/id1551857081/reviews)** | — |
| Number of ratings | **16** | — |
| Positive reviews | **67.7% of reviews** | 22.2% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 12 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 109 MB | 14 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Andrey Andreyev](https://appshunter.io/developer/1418253369) | [Maxim Lukyanenko](https://appshunter.io/developer/1496252741) |

## What reviewers say

### Дельта тест 3.0 Конвенция Плюс

[App page](https://appshunter.io/ios/app/30/id1551857081)

This app provides an up-to-date collection of official questions and answers with commentary for maritime certification exams. It offers various study modes, including text-based learning, unlimited practice, and exam simulations, all accessible offline.

**Highlights:** Official questions and answers, Commentary and keyword search, Study modes: text, marathon, exam, Error correction feature, Offline access

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (20)**

| Purchase | Price | Billing |
| --- | --- | --- |
| БЛОК КАПИТАН - ВСЕ ВОПРОСЫ | $2.99 | one-time |
| БЛОК ВПК - ВСЕ ВОПРОСЫ | $2.99 | one-time |
| Танкеры Нефть Химия Начальная | $2.99 | one-time |
| Дельта Полярные воды ответы | $2.99 | one-time |
| ВАХТЕННЫЙ МОТ. - ВСЕ ВОПРОСЫ | $2.99 | one-time |
| ВАХТЕННЫЙ МЕХ. - ВСЕ ВОПРОСЫ | $2.99 | one-time |
| ВТОРОЙ МЕХАНИК- ВСЕ ВОПРОСЫ | $2.99 | one-time |
| ЭЛЕКТРОМЕХАНИК - ВСЕ ВОПРОСЫ | $2.99 | one-time |
| СТАРШИЙ МЕХАНИК - ВСЕ ВОПРОСЫ | $2.99 | one-time |
| БЛОК МАТРОС - ВСЕ ВОПРОСЫ | $2.99 | one-time |
| БЛОК СПК - ВСЕ ВОПРОСЫ | $2.99 | one-time |
| ГМССБ ДЕЛЬТА-ТЕСТ(ВСЕ ВОПРОСЫ) | $3.99 | one-time |
| Тесты Танкер Газовоз Начальная | $3.99 | one-time |
| Нефтяные Танкеры Расширенная | $3.99 | one-time |
| Танкеры Химовозы Расширенная | $3.99 | one-time |
| Тесты Моторист 1-го класса | $3.99 | one-time |
| Дельта тест ОСПС (ISPS) ответы | $3.99 | one-time |
| БЖС борьба за живучесть судов | $3.99 | one-time |
| Дельта ЭКНИС ECDIS тест ответы | $3.99 | one-time |
| Танкер Газовозы - ВСЕ ВОПРОСЫ | $3.99 | one-time |


### cMate Apps Конвенция плюс

[App page](https://appshunter.io/ios/app/cmate-apps/id6502718737)

This app consolidates all developer applications, focusing on maritime training and information for users, especially those in Russia. It offers preparation modules for various maritime roles and certifications, alongside informational tools for navigation and port data.

**Highlights:** Maritime certification preparation, Specialized training modules, Information on vessels and ports, IMO phrases and codes, Consolidated developer apps

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Дельта тест 3.0 Конвенция Плюс free?

Дельта тест 3.0 Конвенция Плюс is free to download, with in-app purchases available.

### Is cMate Apps Конвенция плюс free?

cMate Apps Конвенция плюс is free to download, with no in-app purchases.

### Do Дельта тест 3.0 Конвенция Плюс or cMate Apps Конвенция плюс have ads?

Neither Дельта тест 3.0 Конвенция Плюс nor cMate Apps Конвенция плюс shows ads.

### Which is updated more often, Дельта тест 3.0 Конвенция Плюс or cMate Apps Конвенция плюс?

Дельта тест 3.0 Конвенция Плюс ships an update every 2 months, and cMate Apps Конвенция плюс every 12 months. Most recently, Дельта тест 3.0 Конвенция Плюс was updated on September 26, 2026 and cMate Apps Конвенция плюс on August 31, 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.*