# Textron Aviation Cesnav vs GenDec

The clearest difference is in-app purchases: Textron Aviation Cesnav at none against GenDec's 3. Textron Aviation Cesnav also leads on iOS requirement (13.0 vs 17.0). GenDec's advantage is update cadence (every 6 days vs every 4 months). On price, ads and device support there is nothing between them.

Both are free to download. GenDec sells 3 in-app purchases, starting at $5.99 per month. Textron Aviation Cesnav asks for nothing beyond the download.

Textron Aviation Cesnav ships an update every 4 months, GenDec every 6 days. The most recent releases landed on October 23, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Textron Aviation Cesnav | GenDec |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/textron-aviation-cesnav/id517100985/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 42.9% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 6 days** |
| Monetization | Subscription | — |
| Size | 117 MB | 13 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | iPad | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Textron Inc.](https://appshunter.io/developer/499385834) | [Flavio Henrique Mesquita](https://appshunter.io/developer/1841517663) |

## What reviewers say

### Textron Aviation Cesnav

[App page](https://appshunter.io/ios/app/textron-aviation-cesnav/id517100985)

This app integrates three specialized calculators for aviation professionals. It helps determine aircraft weight and balance, calculate takeoff and landing performance, and plan flight routes with fuel and time estimations. Results can be exported for onboard use.

**Highlights:** Aircraft-specific weight and balance calculation, Takeoff and landing performance analysis, Route planning with fuel and time estimation, Optimization based on cost and fuel, Exportable PDF reports, Support for various Citation models

**Features:** Vision Pro support

**In-app purchases:** none


### GenDec

[App page](https://appshunter.io/ios/app/gendec/id6791696459)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Monthly | $5.99 | per month |
| Pro Yearly | $49.99 | per year |
| Pro Lifetime | $129.99 | one-time |


## Frequently asked questions

### Is Textron Aviation Cesnav free?

Textron Aviation Cesnav is free to download, with no in-app purchases.

### Is GenDec free?

GenDec is free to download, with in-app purchases available.

### Do Textron Aviation Cesnav or GenDec have ads?

Neither Textron Aviation Cesnav nor GenDec shows ads.

### Which is updated more often, Textron Aviation Cesnav or GenDec?

Textron Aviation Cesnav ships an update every 4 months, and GenDec every 6 days. Most recently, Textron Aviation Cesnav was updated on October 23, 2026 and GenDec on October 24, 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.*