# Crewservices. Дельта тест 3.0 vs Дельта тест

The clearest difference is price: Crewservices. Дельта тест 3.0 at Free against Дельта тест's $3.99. Crewservices. Дельта тест 3.0 also leads on update cadence (every 5 weeks vs every 3 months). Дельта тест's advantage is iOS requirement (12.0 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; Дельта тест costs $3.99 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, Дельта тест every 3 months. The most recent releases landed on October 11, 2026 and September 28, 2026 respectively.

## The numbers

| Metric | Crewservices. Дельта тест 3.0 | Дельта тест |
| --- | --- | --- |
| Price | **Free** | $3.99 |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 3 months |
| Monetization | — | Free |
| Size | 74 MB | 42 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


### 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 Crewservices. Дельта тест 3.0 free?

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

### Is Дельта тест free?

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

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

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

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

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