# Gulfstream Cabin Layout vs DCTU

The clearest difference is device support: DCTU at 3 against Gulfstream Cabin Layout's 1. DCTU also leads on iOS requirement (12.4 vs 18.7.9). On price, rating, ratings volume and update cadence there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 5.0 for Gulfstream Cabin Layout against 5.0 for DCTU. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

Gulfstream Cabin Layout ships an update every 3 months, DCTU every 5 months. The most recent releases landed on July 27, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | Gulfstream Cabin Layout | DCTU |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/gulfstream-cabin-layout/id1527756853/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/dctu/id1590757019/reviews) |
| Number of ratings | 1 | 1 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 5 months |
| Monetization | Free | Free |
| Size | 160 MB | 55 MB |
| Requires iOS | 18.7.9 | **12.4** |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Gulfstream Aerospace](https://appshunter.io/developer/425706352) | [Pratt & Whitney Canada Cie](https://appshunter.io/developer/1468490552) |

## What reviewers say

### Gulfstream Cabin Layout

[App page](https://appshunter.io/ios/app/gulfstream-cabin-layout/id1527756853)

Design and visualize custom cabin layouts for Gulfstream aircraft. Compare configurations for various models and explore your selections in multiple views. Access requires an invitation code from a sales representative.

**Highlights:** Select and build cabin layouts, Visualize layouts in multiple views, Compare configurations for G500, G600, G650, G700, Requires invitation code for access

**In-app purchases:** none


### DCTU

[App page](https://appshunter.io/ios/app/dctu/id1590757019)

This application facilitates communication with specific engine hardware for maintenance tasks. It allows users to view and modify engine parameters, retrieve diagnostic data, and manage engine module information. The tool supports real-time data collection and offline data entry.

**Highlights:** View/Change EEC and DCTU parameters, Retrieve Events, Exceedances & Faults (EEF), Monitor DCTU health status, Perform live data diagnostics, Scan barcodes for module changes, Generate offline LRU/Engine Module data files

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Gulfstream Cabin Layout free?

Gulfstream Cabin Layout is free to download, with no in-app purchases.

### Is DCTU free?

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

### Which has better reviews, Gulfstream Cabin Layout or DCTU?

Gulfstream Cabin Layout and DCTU are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.

### Do Gulfstream Cabin Layout or DCTU have ads?

Neither Gulfstream Cabin Layout nor DCTU shows ads.

### Which is updated more often, Gulfstream Cabin Layout or DCTU?

Gulfstream Cabin Layout ships an update every 3 months, and DCTU every 5 months. Most recently, Gulfstream Cabin Layout was updated on July 27, 2026 and DCTU on September 10, 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.*