Comparison

Flight Computer Pro vs CX

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

Head to head
About

Flight Computer Pro

This app simulates the E6B slide ruler used by pilots for various aviation calculations. It offers high-resolution controls for precise adjustments and includes modes for conversions, wind corrections, and a new holding pattern calculator. The interface is designed to feel like a real ruler in your hands, with a locking feature to prevent accidental changes.

Highlights
  • E6B slide ruler simulation
  • Conversions mode
  • Wind correction modes (low & high speed)
  • Holding Pattern calculator
  • Locking feature
  • Quick reference guide
Features
Currently charting
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An easy and intuitive simulation of the E6B slide ruler used by many aircraft pilots. Features a high resolution ruler with smooth controls for rotating, sliding and pinch zooming, allowing precise calculations. Feels like a real ruler in your hands! All three modes are available: - Conversions - Wind corrections (low speed) - Wind corrections (high speed) Also features: - Holding Pattern calculator (NEW!) - Locking feature, to avoid accidental changes - Quick reference with instructions on how to perform most calculations - No ads Try Flight Computer Sim for a free simpler version.

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

Flight Computer Pro4 screens
CX4 screens

Verdict

The call

The clearest difference is price: Flight Computer Pro at $3.99 against CX's $19.99. Flight Computer Pro also leads on rating (4.4 vs 3.7) and review sentiment (76% vs 36%). On ratings volume, 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

Flight Computer Pro costs $3.99 and CX $19.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

Flight Computer Pro holds the better App Store score, 4.4 against 3.7. Both are backed by a comparable volume of ratings — 14 and 11 respectively. Written reviews point the same way: 76% of Flight Computer Pro's written reviews are positive against 36% of CX's.

UpkeepUpdate frequency

Flight Computer Pro ships an update every 9 months, CX every 8 months. The most recent releases landed on October 3, 2026 and October 13, 2026 respectively.

Scorecard4 real differences · 7 level
Flight Computer Pro versus CX: the parameters behind the verdict, then further details
ParameterFlight Computer ProCX
Price$3.99 — better$19.99
Rating4.4 (14 ratings) — better3.7 (11 ratings)
Positive reviews76.2% of reviews — better35.7% of reviews
Number of ratings14 — better11
Update frequencyEvery 9 monthsEvery 8 months — better
AdsNoNo
In-app purchasesNoNo
MonetizationPaidPaid
Best chart rank#191#73 — better
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS8.0 — better17.2
Further details — not scored
Size334 MB3 MB
Age rating4+4+
DeveloperDiego RodriguesASA

Customer experience

Flight Computer Pro

All ratings14 ratings
Positive78.6%
Neutral21.4%
Negative0.0%
Written reviews21 reviews
Positive76.2%
Neutral23.8%
Negative0.0%

CX

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

In-app purchases

None

Flight Computer Pro

No in-app purchases

None

CX

No in-app purchases

Questions

Is Flight Computer Pro free?
Flight Computer Pro costs $3.99, with no in-app purchases.
Is CX free?
CX costs $19.99, with no in-app purchases.
Which has better reviews, Flight Computer Pro or CX?
Flight Computer Pro is rated higher. Flight Computer Pro averages 4.4 out of 5 from 14 ratings, while CX averages 3.7 from 11 ratings.
Do Flight Computer Pro or CX have ads?
Neither Flight Computer Pro nor CX shows ads.
Which is updated more often, Flight Computer Pro or CX?
Flight Computer Pro ships an update every 9 months, and CX every 8 months. Most recently, Flight Computer Pro was updated on October 3, 2026 and CX on October 13, 2026.
Which is more popular, Flight Computer Pro or CX?
Flight Computer Pro currently peaks at #191 in the App Store charts, and CX at #73. Chart position reflects recent download velocity rather than total install base.

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