# CX vs Airro E6B

The clearest difference is price: Airro E6B at $1.99 against CX's $19.99. CX's advantage is update cadence (every 8 months vs every 40 months) and chart position (#83 vs unranked). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

CX costs $19.99 and Airro E6B $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

CX ships an update every 8 months, Airro E6B every 40 months. The most recent releases landed on November 10, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | CX | Airro E6B |
| --- | --- | --- |
| Price | $19.99 | **$1.99** |
| Rating | **[3.7 (11 ratings)](https://appshunter.io/ios/app/cx-3-flight-computer/id1645428895/reviews)** | — |
| Number of ratings | **11** | — |
| Positive reviews | 35.7% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 8 months** | Every 40 months |
| Monetization | Paid | — |
| Best chart rank | **#83** | — |
| Size | 3 MB | 1 MB |
| Requires iOS | 17.2 | **16.1** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [ASA](https://appshunter.io/developer/334278379) | [Christian van der Meij](https://appshunter.io/developer/571706052) |

## What reviewers say

### CX

[App page](https://appshunter.io/ios/app/cx-3-flight-computer/id1645428895)

**Currently charting:** #83 Top Paid · Utilities (US App Store)

This aviation tool simplifies flight planning for pilots. It offers accurate calculations for time, speed, distance, fuel, and more, along with unit conversions and a built-in calculator. Designed for ease of use, it guides users through flight planning and execution with a natural menu flow.

**Highlights:** Flight planning calculations, Time, speed, distance functions, Fuel and altitude calculations, Unit conversions (12 categories), Weight and balance calculations, Holding pattern details, Built-in calculator, clock, timer

**In-app purchases:** none


### Airro E6B

[App page](https://appshunter.io/ios/app/airro-e6b/id6444861966)

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

**In-app purchases:** none


## Frequently asked questions

### Is CX free?

CX costs $19.99, with no in-app purchases.

### Is Airro E6B free?

Airro E6B costs $1.99, with no in-app purchases.

### Do CX or Airro E6B have ads?

Neither CX nor Airro E6B shows ads.

### Which is updated more often, CX or Airro E6B?

CX ships an update every 8 months, and Airro E6B every 40 months. Most recently, CX was updated on November 10, 2026 and Airro E6B on October 30, 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.*