# inTT vs Дельта тест ГМССБ 2026

The clearest difference is price: inTT at Free against Дельта тест ГМССБ 2026's $4.99. inTT also leads on review sentiment (90% vs 56%) and iOS requirement (8.0 vs 12.0). Дельта тест ГМССБ 2026's advantage is update cadence (every 3 months vs every 6 months). On ads, in-app purchases and device support there is nothing between them.

inTT is free to download; Дельта тест ГМССБ 2026 costs $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

inTT ships an update every 6 months, Дельта тест ГМССБ 2026 every 3 months. The most recent releases landed on June 25, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | inTT | Дельта тест ГМССБ 2026 |
| --- | --- | --- |
| Price | **Free** | $4.99 |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/2026/id1551862284/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | **90.0% of reviews** | 55.6% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 3 months** |
| Monetization | **Free** | Paid |
| Size | 17 MB | 71 MB |
| Requires iOS | **8.0** | 12.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Vladimir Shutov](https://appshunter.io/developer/590515613) | [Andrey Andreyev](https://appshunter.io/developer/1418253369) |

## What reviewers say

### inTT

[App page](https://appshunter.io/ios/app/intt/id590515610)

This app assists engineers and students with mathematical calculations. It offers tools for linear and bilinear interpolation, along with the ability to save tables. Users can request additional features from the developer.

**Highlights:** Linear interpolation, Bilinear interpolation, Table saving, Feature request option

**Features:** macOS Compatibility

**In-app purchases:** none


### Дельта тест ГМССБ 2026

[App page](https://appshunter.io/ios/app/2026/id1551862284)

This app is a test simulator for the Global Maritime Distress and Safety System (GMDSS). It helps maritime navigators and GMDSS operators prepare for certification exams, offering various study modes and offline functionality.

**Highlights:** GMDSS exam preparation, Offline functionality, Multiple study modes (preparation, marathon, exam), Error correction feature, Quick question search, Covers various GMDSS topics

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is inTT free?

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

### Is Дельта тест ГМССБ 2026 free?

Дельта тест ГМССБ 2026 costs $4.99, with no in-app purchases.

### Do inTT or Дельта тест ГМССБ 2026 have ads?

Neither inTT nor Дельта тест ГМССБ 2026 shows ads.

### Which is updated more often, inTT or Дельта тест ГМССБ 2026?

inTT ships an update every 6 months, and Дельта тест ГМССБ 2026 every 3 months. Most recently, inTT was updated on June 25, 2026 and Дельта тест ГМССБ 2026 on September 18, 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.*