Comparison

WindsAloftPro vs CX

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

WindsAloftPro

This app calculates winds aloft for U.S. locations, providing data from 5000 to 39000 feet. It can also display crosswinds along your route and allows manual adjustment of climb and descent biases for various aircraft.

Highlights
  • Winds aloft calculation
  • Crosswind display
  • Climb/descent bias modification
  • U.S. location support
  • Altitude range 5000-39000 ft
Features
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Calculates winds aloft for U.S. locations from 5000 feet to 39000 feet. Crosswinds can also be displayed for winds along your route of travel. Climb and descent biases can be manually modified for different aircraft performance numbers.

About

CX

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
Currently charting
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Based on the ASA CX-3® Flight Computer for pilots, this CX-3 app makes flight planning simple by taking confusion out of the equation. Fast, versatile and easy to use, the CX-3® delivers accurate results quickly and efficiently. Whether used for flight planning, ground school, or FAA Knowledge Exam preparation, the menu organization reflects the order in which a flight is normally planned and executed, resulting in a natural flow from one function to the next with a minimum of keystrokes. Multiple aviation functions can be performed on the CX-3® flight computer including those related to time, speed, distance, heading, wind, fuel, altitude, cloud base, standard atmosphere, glide, climb & descent, weight & balance, as well as a holding pattern function to help determine entry method and holding details. The CX-3® has 12 unit-conversions: Distance, Speed, Duration, Temperature, Pressure, Volume, Rate, Weight, Rate of Climb/Descent, Angle of Climb/Descent, Torque, and Angle. These 12 conversion categories contain 38 different conversion factors for over 100 functions. A calculator, clock, timer, and stopwatch are also built in along with multiple settings for lighting, backlighting, themes, time zones and more.

Screenshots

WindsAloftPro2 screens
CX4 screens

Verdict

The call

The clearest difference is price: WindsAloftPro at Free against CX's $19.99. WindsAloftPro also leads on iOS requirement (15.2 vs 17.2). CX's advantage is rating (3.7 vs 3.0) and chart position (#62 vs unranked). On review sentiment, update cadence, ads and in-app purchases there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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

ReceptionRating · Positive reviews · Number of ratings

CX holds the better App Store score, 3.7 against 3.0. Both are backed by a comparable volume of ratings — 3 and 11 respectively. Written reviews point the same way: 33% of WindsAloftPro's written reviews are positive against 36% of CX's.

UpkeepUpdate frequency

WindsAloftPro ships an update every 6 months, CX every 8 months. The most recent releases landed on June 5, 2026 and September 22, 2026 respectively.

Scorecard6 real differences · 5 level
WindsAloftPro versus CX: the parameters behind the verdict, then further details
ParameterWindsAloftProCX
PriceFree — better$19.99
Rating3.0 (3 ratings)3.7 (11 ratings) — better
Positive reviews33.3% of reviews35.7% of reviews — better
Number of ratings311 — better
Update frequencyEvery 6 months — betterEvery 8 months
AdsNoNo
In-app purchasesNoNo
MonetizationFree — betterPaid
Best chart rank—#62 — better
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.2 — better17.2
Further details — not scored
Size7 MB3 MB
Age rating4+4+
DeveloperTremont Air, LLCASA

Customer experience

WindsAloftPro

All ratings3 ratings
Positive33.3%
Neutral33.3%
Negative33.3%
Written reviews3 reviews
Positive33.3%
Neutral33.3%
Negative33.3%

CX

All ratings11 ratings
Positive63.6%
Neutral9.1%
Negative27.3%
Written reviews14 reviews
Positive35.7%
Neutral7.1%
Negative57.1%

In-app purchases

None

WindsAloftPro

No in-app purchases

None

CX

No in-app purchases

Questions

Is WindsAloftPro free?
WindsAloftPro 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, WindsAloftPro or CX?
CX is rated higher. WindsAloftPro averages 3.0 out of 5 from 3 ratings, while CX averages 3.7 from 11 ratings.
Do WindsAloftPro or CX have ads?
Neither WindsAloftPro nor CX shows ads.
Which is updated more often, WindsAloftPro or CX?
WindsAloftPro ships an update every 6 months, and CX every 8 months. Most recently, WindsAloftPro was updated on June 5, 2026 and CX on September 22, 2026.

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