# Дельта vs CoreApp

The clearest difference is review sentiment: CoreApp at 50% against Дельта's 0%. CoreApp also leads on price (Free vs $3.99) and update cadence (every 5 weeks vs every 4 months). Дельта's advantage is ads (none vs shown). On in-app purchases, device support and iOS requirement there is nothing between them.

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

Дельта ships an update every 4 months, CoreApp every 5 weeks. The most recent releases landed on October 2, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | Дельта | CoreApp |
| --- | --- | --- |
| Price | $3.99 | **Free** |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/2026/id1551858713/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 0.0% of reviews | **50.0% of reviews** |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 4 months | **Every 5 weeks** |
| Monetization | Paid | **Ad-supported** |
| Size | 78 MB | 18 MB |
| Requires iOS | **12.0** | 13.4 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Andrey Andreyev](https://appshunter.io/developer/1418253369) | [TSIFROVAYA ZHAZHDA, OOO](https://appshunter.io/developer/1710108566) |

## What reviewers say

### Дельта

[App page](https://appshunter.io/ios/app/2026/id1551858713)

Prepare for maritime certification exams with this test simulator. It includes official questions and answers for qualified and watchkeeping sailors, covering safety, navigation, cargo operations, and environmental protection. Work offline and use the built-in search.

**Highlights:** Official exam questions and answers, Covers safety, navigation, and cargo, Offline functionality, Built-in search, Preparation for Convention Plus 3.0

**Features:** macOS Compatibility

**In-app purchases:** none


### CoreApp

[App page](https://appshunter.io/ios/app/coreapp/id6468565062)

Access and study online courses anytime, anywhere with a user-friendly interface and extensive functionality. Engage with lectures, materials, and assignments directly within the app, and sync your progress across all devices for seamless learning.

**Highlights:** View online courses, Access course materials, Complete homework assignments, Search and filter content, Sync data across devices

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Дельта free?

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

### Is CoreApp free?

CoreApp is free to download, with no in-app purchases.

### Do Дельта or CoreApp have ads?

CoreApp shows ads; Дельта does not.

### Which is updated more often, Дельта or CoreApp?

Дельта ships an update every 4 months, and CoreApp every 5 weeks. Most recently, Дельта was updated on October 2, 2026 and CoreApp on October 1, 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.*