FlyBy Nav vs AC
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
FlyBy Nav
This app simplifies flight planning by allowing users to input departure and arrival points, along with wind data. It provides a comprehensive overview of flight details including track, heading, distance, speed, ETA, and fuel burn. Users can access a vast database of airports and navaids, plot routes on a map, and utilize weather information.
- One-screen flight detail display
- Fast waypoint database search
- Great circle route plotting on map
- Offline airport and navaid database
- METAR and TAF weather access
- User-defined waypoint saving
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Flight planning is as easy as tapping in your point of departure, arrival and winds! In one screen, FlyBy Nav displays track, heading, distance, ground speed, time enroute, ETA, and fuel burn. - Fast database search and lookup of waypoints. - Search function lets you search for an airport using its identifier, name or city name. - Stores your favorite aircraft cruise performance numbers. - Plots your great circle route on map. - Quick Charter Quote feature. - Track units in either Magnetic, True, or Grid - Sunrise/Sunset and Azimuth feature. - METAR and TAF weather access. - 55,000 Airports and Navaids included (offline). - Save your own user waypoints. - No subscription charges. Please visit our web site for more detail and screen shots of all the program features.
AC
Access comprehensive data for business aviation, including airports, FBOs, and service providers worldwide or in North America. Detailed airport diagrams and listings for ground transportation, maintenance, and catering are included. Requires a valid subscription and login credentials.
- Airport and FBO data
- Global and North American coverage
- Service provider listings
- Ground transportation
- Maintenance providers
- Catering companies
- Airport diagrams
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The app is now compatible with iOS 12. AC-U-KWIK® is the leading provider of precise and up-to-date airport, FBO, handler and other services data for the business aviation industry. With your AC-U-KWIK® Worldwide subscription, you’ll be able to capture in-depth data on: 8500+ International and North American airports 13,500 global handlers, FBOs and fuel providers In addition to extensive listings of ground transportation, maintenance providers, catering companies and charter operators. Detailed Airport Diagrams of service provider locations With your AC-U-KWIK® NORTH AMERICAN subscription, you’ll be able to capture in-depth data on: 4000+ North American airports 3900+ North American FBOS and fuel providers In addition to extensive listings of ground transportation, maintenance providers, catering companies and charter operators. Detailed Airport Diagrams of service provider locations. ------------------------------------------------------------------ The AC-U-KWIK application is intended for pre-flight purposes only and may not be used for purposes of en route navigation. Neither AC-U-KWIK nor Informa Markets, a trading division of Informa PLC. or any of its affiliates makes any representation or warranty that the Product, or any related data or information, complies with FAA or any other applicable regulations governing publications for use in connection with flight navigation. Note: You must have a valid AC-U-KWIK username and password in order to activate this application.
Screenshots
Verdict
The clearest difference is review sentiment: FlyBy Nav at 100% against AC's 0%. FlyBy Nav also leads on rating (5.0 vs 1.5) and ads (none vs shown). AC's advantage is price (Free vs $0.99) and ratings volume (13 vs 2). On update cadence 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
AC is free to download; FlyBy Nav costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.
FlyBy Nav holds the better App Store score, 5.0 against 1.5. That said, the two scores are not equally well evidenced: AC has 13 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 100% of FlyBy Nav's written reviews are positive against 0% of AC's.
FlyBy Nav ships an update every 3 months, AC every 4 months. The most recent releases landed on September 11, 2026 and September 21, 2026 respectively.
| Parameter | FlyBy Nav | AC |
|---|---|---|
| Price | $0.99 | Free — better |
| Rating | 5.0 (2 ratings) — better | 1.5 (13 ratings) |
| Positive reviews | 100.0% of reviews — better | 0.0% of reviews |
| Number of ratings | 2 | 13 — better |
| Update frequency | Every 3 months — better | Every 4 months |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Monetization | Paid | Free with in-app purchases — better |
| Devices | iPhone | iPhone, iPad, iPod — better |
| Requires iOS | 17.6 | 11.0 — better |
| Further details — not scored | ||
| Size | 23 MB | 29 MB |
| Age rating | 4+ | 4+ |
| Developer | Lonnie Ganz | Informa Media |
Customer experience
FlyBy Nav
AC
In-app purchases
FlyBy Nav
No in-app purchases
AC
No in-app purchases









