CX vs Lightspeed Aviation
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- 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
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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.
Lightspeed Aviation
This app allows pilots to record radio conversations, playback transmissions, and archive flight recordings for post-flight analysis and training. It aims to enhance safety for pilots and passengers during flights.
- Record radio conversations
- Playback transmissions
- Archive flight recordings
- Draw diagrams
- Post-flight briefings
- Training tool
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A companion app to the Zulu 4, the Lightspeed Aviation app for iOS features an array of integrated features to keep pilots and passengers safer during flight. RECORD CONVERSATIONS, ARCHIVE FLIGHT RECORDINGS, AND MORE The Lightspeed Aviation App allows pilots to record radio conversations, playback transmissions, draw diagrams, and archive flight recordings for post-flight briefings and training.
Screenshots
Verdict
The clearest difference is price: Lightspeed Aviation at Free against CX's $19.99. CX's advantage is review sentiment (36% vs 0%) and ads (none vs shown). On in-app purchases, device support and iOS requirement 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
Lightspeed Aviation is free to download; CX costs $19.99 up front. Neither carries in-app purchases, so what you see is what you pay.
| Parameter | CX | Lightspeed Aviation |
|---|---|---|
| Price | $19.99 | Free — better |
| Rating | 3.7 (11 ratings) — better | — |
| Positive reviews | 35.7% of reviews — better | 0.0% of reviews |
| Number of ratings | 11 — better | — |
| Update frequency | Every 8 months | — |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Monetization | Paid | Ad-supported — better |
| Best chart rank | #62 — better | — |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 17.2 | 16.0 — better |
| Further details — not scored | ||
| Size | 3 MB | 351 MB |
| Age rating | 4+ | 4+ |
| Developer | ASA | Lightspeed Aviation |
Customer experience
CX
Lightspeed Aviation
In-app purchases
CX
No in-app purchases
Lightspeed Aviation
No in-app purchases







