SD Cabin vs GenDec
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
SD Cabin
This app streamlines in-flight connectivity by providing access to essential functions like trip information, network management, and troubleshooting tools. It dynamically detects activated services on equipped aircraft to offer tailored functionality. Users can also easily connect with support teams.
- Seamless in-flight connectivity
- Access to multiple key functions
- Dynamic service detection
- Trip information display
- Device and network management
- Troubleshooting tools
- Support team access
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The SD Cabin app simplifies the in flight connectivity experience through seamless access to multiple key functions from a single application while on board an aircraft equipped with SD Hardware. SD Cabin dynamically detects the services activated on your aircraft and enables access to functions based on these services. SD Cabin provides trip information, device and network connectivity management, basic and advanced troubleshooting tools, plus valuable access to our award winning Satcom Direct Support team.
GenDec
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GenDec turns the most tedious part of international general aviation into a two-minute job. Build a complete General Declaration on your iPhone or iPad, sign it on screen, and send a clean, regulator-ready PDF before you start engines. BUILT FOR FLIGHT CREWS AND OPERATORS • Part-NCO/NCC private and corporate operations • Handlers and dispatchers preparing arrival/departure documents • Ferry, delivery, and charter flights crossing borders SEVEN PROFESSIONAL TEMPLATES • ICAO Standard (Annex 9) — fits one page, even signed • FAA / CBP Form 7507 for US arrivals and departures • European (EN/FR), Asia, and three handler-style generic layouts PASSPORT SCANNING Point the camera at a passport's machine-readable zone and GenDec fills in the crew or passenger details instantly. Photos and passport data never leave your device. EVERYTHING A GENDEC NEEDS • Operator, aircraft, registration, flight number, routing, and stopovers • Crew and passenger manifests with ranks and license numbers • Declaration of Health, customs questionnaire, and disinsection details • On-screen signature capture • Offline airport lookup with a built-in worldwide database SHARE INSTANTLY Email the finished PDF to handlers, customs, or your ops team straight from the app, and keep a record of what was sent. PRIVATE BY DESIGN Everything is stored locally on your device. No accounts, no cloud uploads, no analytics, no tracking. Optional Face ID lock protects your documents. FREE 30-DAY TRIAL Every feature is free for 30 days. After that, a Pro subscription (monthly or yearly) or a one-time lifetime purchase unlocks document creation and export; viewing your existing documents stays free forever. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://fhmlabs.com/privacy/gendec
Screenshots
Verdict
The clearest difference is update cadence: GenDec at every 5 days against SD Cabin's every 3 months. SD Cabin's advantage is iOS requirement (15.6 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
SD Cabin ships an update every 3 months, GenDec every 5 days. The most recent releases landed on September 24, 2026 and October 6, 2026 respectively.
| Parameter | SD Cabin | GenDec |
|---|---|---|
| Price | Free | Free |
| Rating | 4.4 (13 ratings) — better | — |
| Positive reviews | 50.0% of reviews | — |
| Number of ratings | 13 — better | — |
| Update frequency | Every 3 months | Every 5 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.6 — better | 17.0 |
| Further details — not scored | ||
| Size | 91 MB | 13 MB |
| Age rating | 4+ | 4+ |
| Developer | Satcom Direct | Flavio Henrique Mesquita |
In-app purchases
SD Cabin
No in-app purchases
GenDec
No in-app purchases









