# Дельта тест vs cMate Apps Конвенция плюс

The clearest difference is price: cMate Apps Конвенция плюс at Free against Дельта тест's $3.99. cMate Apps Конвенция плюс also leads on review sentiment (22% vs 0%). Дельта тест's advantage is update cadence (every 3 months vs every 12 months). On ads, in-app purchases, monetization model and device support there is nothing between them.

cMate Apps Конвенция плюс is free to download; Дельта тест costs $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Дельта тест ships an update every 3 months, cMate Apps Конвенция плюс every 12 months. Both last shipped on September 28, 2026.

## The numbers

| Metric | Дельта тест | cMate Apps Конвенция плюс |
| --- | --- | --- |
| Price | $3.99 | **Free** |
| Positive reviews | 0.0% of reviews | **22.2% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 12 months |
| Monetization | Free | Free |
| Size | 42 MB | 14 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, 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

[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


### 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 free?

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

### Is cMate Apps Конвенция плюс free?

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

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

Neither Дельта тест nor cMate Apps Конвенция плюс shows ads.

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

Дельта тест ships an update every 3 months, and cMate Apps Конвенция плюс every 12 months. Most recently, Дельта тест was updated on September 28, 2026 and cMate Apps Конвенция плюс 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.*