# Textron Aviation Cesnav vs Product Support

The clearest difference is monetization model: Product Support at free against Textron Aviation Cesnav's subscription. Product Support also leads on device support (3 vs 1) and iOS requirement (8.0 vs 13.0). Textron Aviation Cesnav's advantage is update cadence (every 4 months vs every 7 months). On price, rating, ratings volume and ads 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 Textron Aviation Cesnav against 5.0 for Product Support. Both are backed by a comparable volume of ratings — 3 and 2 respectively.

Textron Aviation Cesnav ships an update every 4 months, Product Support every 7 months. The most recent releases landed on July 24, 2026 and June 1, 2026 respectively.

## The numbers

| Metric | Textron Aviation Cesnav | Product Support |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (3 ratings)](https://appshunter.io/ios/app/textron-aviation-cesnav/id517100985/reviews) | [5.0 (2 ratings)](https://appshunter.io/ios/app/product-support/id1463075555/reviews) |
| Number of ratings | **3** | 2 |
| Positive reviews | 42.9% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 months** | Every 7 months |
| Monetization | Subscription | **Free** |
| Size | 117 MB | 164 MB |
| Requires iOS | 13.0 | **8.0** |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Textron Inc.](https://appshunter.io/developer/499385834) | [Williams International Co., LLC](https://appshunter.io/developer/1024732815) |

## 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


### Product Support

[App page](https://appshunter.io/ios/app/product-support/id1463075555)

This application provides owners and operators of specific engines with access to essential information and services. It includes features like locating authorized service centers, scheduling maintenance, and accessing instructional videos.

**Highlights:** Authorized Service Center Locator, Schedule Maintenance, Request Inspection Kits, Instructional Video Library, Contact Information, Product Support Portal Access

**In-app purchases:** none


## Frequently asked questions

### Is Textron Aviation Cesnav free?

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

### Is Product Support free?

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

### Which has better reviews, Textron Aviation Cesnav or Product Support?

Textron Aviation Cesnav and Product Support are both rated 5.0 out of 5 on the App Store, from 3 and 2 ratings respectively.

### Do Textron Aviation Cesnav or Product Support have ads?

Neither Textron Aviation Cesnav nor Product Support shows ads.

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

Textron Aviation Cesnav ships an update every 4 months, and Product Support every 7 months. Most recently, Textron Aviation Cesnav was updated on July 24, 2026 and Product Support on June 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.*