# ГМССБ Конвенция плюс. cMate vs Дельта тест

The clearest difference is review sentiment: ГМССБ Конвенция плюс. cMate at 21% against Дельта тест's 0%. ГМССБ Конвенция плюс. cMate also leads on iOS requirement (10.0 vs 12.0). Дельта тест's advantage is update cadence (every 3 months vs every 10 months) and price ($3.99 vs $7.99). On ads, in-app purchases and device support there is nothing between them.

ГМССБ Конвенция плюс. cMate costs $7.99 and Дельта тест $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ГМССБ Конвенция плюс. cMate ships an update every 10 months, Дельта тест every 3 months. The most recent releases landed on October 7, 2026 and September 28, 2026 respectively.

## The numbers

| Metric | ГМССБ Конвенция плюс. cMate | Дельта тест |
| --- | --- | --- |
| Price | $7.99 | **$3.99** |
| Positive reviews | **21.4% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 10 months | **Every 3 months** |
| Monetization | Paid | **Free** |
| Size | 29 MB | 42 MB |
| Requires iOS | **10.0** | 12.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Maxim Lukyanenko](https://appshunter.io/developer/1496252741) | [Andrey Andreyev](https://appshunter.io/developer/1418253369) |

## What reviewers say

### ГМССБ Конвенция плюс. cMate

[App page](https://appshunter.io/ios/app/cmate/id1500496463)

Prepare for GMDSS radio operator exams with a comprehensive question and answer database. Includes training tests and a search function for easy navigation. Covers various GMDSS systems and national requirements.

**Highlights:** GMDSS exam question and answer database, Training test functionality, Customizable test settings, Searchable question bank, Covers various GMDSS topics, Includes national Russian Federation requirements

**Features:** macOS Compatibility

**In-app purchases:** none


### Дельта тест

[App page](https://appshunter.io/ios/app/id6448051717)

This app serves as a training simulator for specialists handling cargo operations on chemical tankers. It offers various modes to study questions, practice answering them without time limits, and simulate real exam conditions. It's designed to help prepare for checks and refresh knowledge.

**Highlights:** Quick question search, Study questions with correct answers, Unlimited practice mode, Exam simulation mode, Error correction, Offline functionality

**Features:** macOS Compatibility, Family Sharing

**In-app purchases:** none


## Frequently asked questions

### Is ГМССБ Конвенция плюс. cMate free?

ГМССБ Конвенция плюс. cMate costs $7.99, with no in-app purchases.

### Is Дельта тест free?

Дельта тест costs $3.99, with no in-app purchases.

### Do ГМССБ Конвенция плюс. cMate or Дельта тест have ads?

Neither ГМССБ Конвенция плюс. cMate nor Дельта тест shows ads.

### Which is updated more often, ГМССБ Конвенция плюс. cMate or Дельта тест?

ГМССБ Конвенция плюс. cMate ships an update every 10 months, and Дельта тест every 3 months. Most recently, ГМССБ Конвенция плюс. cMate was updated on October 7, 2026 and Дельта тест on September 28, 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.*