MobileSheets vs CX
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
MobileSheets
This mobile companion app integrates with a flight reservation system to manage aircraft and instructor bookings. Users can access weather information, retrieve aerodrome frequencies, manage aircraft details, and log flight times. It requires the Flight-Sheets Reservation System to be in use by your FBO, flight school, or club.
- Manage aircraft and instructor bookings
- Access weather and NOTAMs
- Retrieve aerodrome frequencies
- Manage aircraft information
- Log flight times on Electronic HOBBS Board
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Designed specifically for the iPhone, MobileSheets is a mobile companion to the Flight-Sheets Aircraft and Instructor Reservation System. - Manage your aircraft and instructor bookings - Get weather and NOTAMs - Retrieve aerodrome frequencies en route - Manage aircraft information - Enter flight times on the Electronic HOBBS Board [To Use the App] To take advantage of all of the features of this App, your FBO, Flight School or Club has to be using the Flight-Sheets Reservation System. If your school or club does not currently use the Reservation System, you can try the App out at the Demonstration Site. See the 'About' section of MobileSheets for more information.
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.
Screenshots
Verdict
The clearest difference is price: MobileSheets at Free against CX's $19.99. MobileSheets also leads on update cadence (every 8 days vs every 8 months) and iOS requirement (12.0 vs 17.2). CX's advantage is rating (3.7 vs 1.0) and ratings volume (11 vs 1). On review sentiment, ads, in-app purchases and device support 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
MobileSheets 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 1.0. That said, the two scores are not equally well evidenced: CX has 11 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 33% of MobileSheets's written reviews are positive against 36% of CX's.
MobileSheets ships an update every 8 days, CX every 8 months. The most recent releases landed on October 11, 2026 and October 13, 2026 respectively.
| Parameter | MobileSheets | CX |
|---|---|---|
| Price | Free — better | $19.99 |
| Rating | 1.0 (1 ratings) | 3.7 (11 ratings) — better |
| Positive reviews | 33.3% of reviews | 35.7% of reviews — better |
| Number of ratings | 1 | 11 — better |
| Update frequency | Every 8 days — better | Every 8 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free — better | Paid |
| Best chart rank | — | #79 — better |
| Devices | iPhone, iPod | iPhone, iPad |
| Requires iOS | 12.0 — better | 17.2 |
| Further details — not scored | ||
| Size | 13 MB | 3 MB |
| Age rating | 4+ | 4+ |
| Developer | Flight-Sheets.com | ASA |
Customer experience
MobileSheets
CX
In-app purchases
MobileSheets
No in-app purchases
CX
No in-app purchases









