C172 Performance vs CX
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
C172 Performance
This app calculates essential flight performance data for Cessna 172 and 150 aircraft. It covers takeoff, landing, climb, cruise, descent, instrument procedures, and emergencies, with additional tools for holds and glide calculations. Cloud sync ensures your flight plans are accessible across devices.
- Takeoff and landing calculations
- Climb, cruise, and descent performance
- Instrument procedure planning
- Emergency scenario calculations
- Interactive hold calculator
- Emergency glide distance calculator
- Cloud sync for flight plans
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C172 Performance computes all the useful performance numbers for flight planning for Cessna model 172 and 150 aircraft. It includes calculations for takeoff, landing, climb, cruise, descent, instrument procedures as well as emergencies. It also includes an interactive hold calculator, a risk analysis tool, and an emergency glide distance calculator that handles head and tailwinds. C172 Performance is also available on other mobile devices and as a WebApp (an App that runs in a browser) that runs on a variety of platforms (PC, Mac, tablets, phones). The cloud sync feature allows flight planning profiles entered on any device to be synchronized with your other devices when connected to the Internet. C172 Performance is a free, open-source development effort and has Apps and WebApps for other aircraft. See http://pohperformance.com for complete details.
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 review sentiment: C172 Performance at 90% against CX's 36%. C172 Performance also leads on price (Free vs $19.99) and rating (4.9 vs 3.7). CX's advantage is ads (none vs shown) and chart position (#71 vs unranked). On 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
C172 Performance is free to download; CX costs $19.99 up front. Neither carries in-app purchases, so what you see is what you pay.
C172 Performance holds the better App Store score, 4.9 against 3.7. Both are backed by a comparable volume of ratings — 52 and 11 respectively. Written reviews point the same way: 90% of C172 Performance's written reviews are positive against 36% of CX's.
C172 Performance ships an update every 2 months, CX every 8 months. The most recent releases landed on September 18, 2026 and September 22, 2026 respectively.
| Parameter | C172 Performance | CX |
|---|---|---|
| Price | Free — better | $19.99 |
| Rating | 4.9 (52 ratings) — better | 3.7 (11 ratings) |
| Positive reviews | 90.0% of reviews — better | 35.7% of reviews |
| Number of ratings | 52 — better | 11 |
| Update frequency | Every 2 months — better | Every 8 months |
| Ads | Yes | No — better |
| In-app purchases | No | No |
| Monetization | Ad-supported — better | Paid |
| Best chart rank | — | #71 — better |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 13.0 — better | 17.2 |
| Further details — not scored | ||
| Size | 15 MB | 3 MB |
| Age rating | 4+ | 4+ |
| Developer | POH Performance L.L.C. | ASA |
Customer experience
C172 Performance
CX
In-app purchases
C172 Performance
No in-app purchases
CX
No in-app purchases







