# Crewservices. Дельта тест 3.0 vs Матрос

The clearest difference is price: Crewservices. Дельта тест 3.0 at Free against Матрос's $6.99. Crewservices. Дельта тест 3.0 also leads on update cadence (every 5 weeks vs every 38 months). Матрос's advantage is iOS requirement (10.0 vs 14.0). On ads, in-app purchases and device support there is nothing between them.

Crewservices. Дельта тест 3.0 is free to download; Матрос costs $6.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Crewservices. Дельта тест 3.0 ships an update every 5 weeks, Матрос every 38 months. Both last shipped on September 8, 2026.

## The numbers

| Metric | Crewservices. Дельта тест 3.0 | Матрос |
| --- | --- | --- |
| Price | **Free** | $6.99 |
| Positive reviews | — | 40.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 38 months |
| Monetization | — | Paid |
| Size | 74 MB | 19 MB |
| Requires iOS | 14.0 | **10.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Alexey Seleznev](https://appshunter.io/developer/1211190063) | [Maxim Lukyanenko](https://appshunter.io/developer/1496252741) |

## What reviewers say

### Crewservices. Дельта тест 3.0

[App page](https://appshunter.io/ios/app/crewservices-30/id1211190064)

**Features:** macOS Compatibility

**In-app purchases:** none


### Матрос

[App page](https://appshunter.io/ios/app/id1496735246)

This app provides a comprehensive database of questions and answers for maritime students preparing for qualification exams. It offers customizable practice tests and a search function for easy access to information. All content is sourced from open online resources.

**Highlights:** Exam question and answer database, Customizable practice testing, Search functionality, Categorized questions, Offline access

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Crewservices. Дельта тест 3.0 free?

Crewservices. Дельта тест 3.0 is free to download, with no in-app purchases.

### Is Матрос free?

Матрос costs $6.99, with no in-app purchases.

### Do Crewservices. Дельта тест 3.0 or Матрос have ads?

Neither Crewservices. Дельта тест 3.0 nor Матрос shows ads.

### Which is updated more often, Crewservices. Дельта тест 3.0 or Матрос?

Crewservices. Дельта тест 3.0 ships an update every 5 weeks, and Матрос every 38 months. Most recently, Crewservices. Дельта тест 3.0 was updated on September 8, 2026 and Матрос on September 8, 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.*