# Crewservices. Дельта тест 3.0 vs Танкер нефть Дельта тест

The clearest difference is price: Crewservices. Дельта тест 3.0 at Free against Танкер нефть Дельта тест's $3.99. Crewservices. Дельта тест 3.0 also leads on in-app purchases (none vs 1) and update cadence (every 5 weeks vs every 3 months). Танкер нефть Дельта тест's advantage is iOS requirement (12.0 vs 14.0). On ads and device support there is nothing between them.

Crewservices. Дельта тест 3.0 is free to download; Танкер нефть Дельта тест costs $3.99 up front. Танкер нефть Дельта тест sells 1 one-off in-app purchase. Crewservices. Дельта тест 3.0 asks for nothing beyond the download.

Crewservices. Дельта тест 3.0 ships an update every 5 weeks, Танкер нефть Дельта тест every 3 months. The most recent releases landed on October 11, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Crewservices. Дельта тест 3.0 | Танкер нефть Дельта тест |
| --- | --- | --- |
| Price | **Free** | $3.99 |
| Positive reviews | — | 85.7% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 3 months |
| Monetization | — | Paid |
| Size | 74 MB | 55 MB |
| Requires iOS | 14.0 | **12.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Alexey Seleznev](https://appshunter.io/developer/1211190063) | [Andrey Andreyev](https://appshunter.io/developer/1418253369) |

## 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


### Танкер нефть Дельта тест

[App page](https://appshunter.io/ios/app/id6447569236)

This app is a training simulator for specialists involved in cargo operations on oil tankers. It offers various modes for studying questions, practicing answers, and simulating real exams to prepare for checks and refresh knowledge.

**Highlights:** Question search, Text-based study with correct answers, Unlimited practice mode, Exam simulation mode, Error correction, Offline access

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Танкер Нефть тест- ВСЕ ВОПРОСЫ | $2.99 | one-time |


## 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 Танкер нефть Дельта тест free?

Танкер нефть Дельта тест costs $3.99, and also offers in-app purchases.

### Do Crewservices. Дельта тест 3.0 or Танкер нефть Дельта тест have ads?

Neither Crewservices. Дельта тест 3.0 nor Танкер нефть Дельта тест shows ads.

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

Crewservices. Дельта тест 3.0 ships an update every 5 weeks, and Танкер нефть Дельта тест every 3 months. Most recently, Crewservices. Дельта тест 3.0 was updated on October 11, 2026 and Танкер нефть Дельта тест on October 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.*