# Spin vs CX

The clearest difference is review sentiment: Spin at 86% against CX's 36%. Spin also leads on price ($2.99 vs $19.99) and rating (4.6 vs 3.7). CX's advantage is chart position (#90 vs unranked). On ads, in-app purchases, monetization model and device support there is nothing between them.

Spin costs $2.99 and CX $19.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Spin holds the better App Store score, 4.6 against 3.7. Both are backed by a comparable volume of ratings — 44 and 11 respectively. Written reviews point the same way: 86% of Spin's written reviews are positive against 36% of CX's.

Spin ships an update every 3 months, CX every 8 months. The most recent releases landed on October 16, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | Spin | CX |
| --- | --- | --- |
| Price | **$2.99** | $19.99 |
| Rating | **[4.6 (44 ratings)](https://appshunter.io/ios/app/spin-a-wind/id327740080/reviews)** | [3.7 (11 ratings)](https://appshunter.io/ios/app/cx-3-flight-computer/id1645428895/reviews) |
| Number of ratings | **44** | 11 |
| Positive reviews | **86.1% of reviews** | 35.7% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 8 months |
| Monetization | Paid | Paid |
| Best chart rank | — | **#90** |
| Size | 10 MB | 3 MB |
| Requires iOS | **6.0** | 17.2 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Len Robinson](https://appshunter.io/developer/327740083) | [ASA](https://appshunter.io/developer/334278379) |

## What reviewers say

### Spin

[App page](https://appshunter.io/ios/app/spin-a-wind/id327740080)

Calculate critical aviation weather data including wind components, temperature conversions, altitude calculations, and airspeed. Designed for pilots with an intuitive, one-handed interface and instant results.

**Highlights:** Wind component calculation (headwind, tailwind, crosswind), Temperature conversions and wind chill factor, Altitude calculations (pressure, density), Airspeed calculator (TAS, Mach, speed of sound), Customizable units and caution thresholds, One-handed, reel-based interface

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

**In-app purchases:** none


### CX

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

**Currently charting:** #90 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


## Frequently asked questions

### Is Spin free?

Spin costs $2.99, with no in-app purchases.

### Is CX free?

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

### Which has better reviews, Spin or CX?

Spin is rated higher. Spin averages 4.6 out of 5 from 44 ratings, while CX averages 3.7 from 11 ratings.

### Do Spin or CX have ads?

Neither Spin nor CX shows ads.

### Which is updated more often, Spin or CX?

Spin ships an update every 3 months, and CX every 8 months. Most recently, Spin was updated on October 16, 2026 and CX on October 18, 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.*