# Lightspeed App vs CX

The clearest difference is price: Lightspeed App at Free against CX's $19.99. Lightspeed App also leads on ratings volume (49 vs 11) and iOS requirement (13.0 vs 17.2). CX's advantage is rating (3.7 vs 3.3) and review sentiment (36% vs 12%). On update cadence, ads, in-app purchases and device support there is nothing between them.

Lightspeed App is free to download; CX costs $19.99 up front. Neither carries in-app purchases, so what you see is what you pay.

CX holds the better App Store score, 3.7 against 3.3. Both are backed by a comparable volume of ratings — 49 and 11 respectively. Written reviews point the same way: 12% of Lightspeed App's written reviews are positive against 36% of CX's.

Lightspeed App ships an update every 6 months, CX every 8 months. The most recent releases landed on September 7, 2026 and September 27, 2026 respectively.

## The numbers

| Metric | Lightspeed App | CX |
| --- | --- | --- |
| Price | **Free** | $19.99 |
| Rating | [3.3 (49 ratings)](https://appshunter.io/ios/app/lightspeed-app/id1469234593/reviews) | **[3.7 (11 ratings)](https://appshunter.io/ios/app/cx-3-flight-computer/id1645428895/reviews)** |
| Number of ratings | **49** | 11 |
| Positive reviews | 11.8% of reviews | **35.7% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 months** | Every 8 months |
| Monetization | **Free** | Paid |
| Size | 71 MB | 3 MB |
| Requires iOS | **13.0** | 17.2 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Lightspeed Aviation](https://appshunter.io/developer/541925734) | [ASA](https://appshunter.io/developer/334278379) |

## What reviewers say

### Lightspeed App

[App page](https://appshunter.io/ios/app/lightspeed-app/id1469234593)

Enhance your flight experience with real-time CO sensor monitoring and personalized audio. Record and archive radio conversations for review and training.

**Highlights:** Real-time CO sensor tracking, Smart CO alerts, Personalized audio equalization (HearingEQity™), Record radio conversations, Archive flight recordings, Draw flight diagrams

**Features:** Vision Pro support

**In-app purchases:** none


### CX

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

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


## Frequently asked questions

### Is Lightspeed App free?

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

### Is CX free?

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

### Which has better reviews, Lightspeed App or CX?

CX is rated higher. Lightspeed App averages 3.3 out of 5 from 49 ratings, while CX averages 3.7 from 11 ratings.

### Do Lightspeed App or CX have ads?

Neither Lightspeed App nor CX shows ads.

### Which is updated more often, Lightspeed App or CX?

Lightspeed App ships an update every 6 months, and CX every 8 months. Most recently, Lightspeed App was updated on September 7, 2026 and CX on September 27, 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.*