AC vs NDB Pro
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
NDB Pro
This app provides pilots with a comprehensive global database of Non-Directional Beacons (NDBs). Access frequency, localization, and callsign information for navigation. A yearly subscription offers continuous updates to the NDB beacon database.
- Global NDB database
- Frequency, localization, callsign data
- Updated beacon information
- Useful for pilots
- Yearly subscription for updates
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NDB Pro will assist any captain with a complete list of NDBs across the world including the frequency, localization and callsign. Useful for pilots. Disclaimer: Continued use of GPS running in the background can dramatically decrease battery life. Subscriptions: - NDB Yearly Subscription: $8.99/year It will allow you to have access to an updated database of NDB beacons, including location, ID and frequency. - Subscription automatically renews unless auto-renew is turned off at least 24-hours before the end of the current period - Account will be charged for renewal within 24-hours prior to the end of the current period, and identify the cost of the renewal - Subscriptions may be managed by the user and auto-renewal may be turned off by going to the user's Account Settings after purchase - No cancellation of the current subscription is allowed during active subscription period - Privacy Policy and Terms of Use: aprspro/privacy.html - Any unused portion of a free trial period, if offered, will be forfeited when the user purchases a subscription to that service. Terms of use: http://aprspro.com/toc.html
Screenshots
Verdict
The clearest difference is in-app purchases: AC at none against NDB Pro's 1. NDB Pro's advantage is ads (none vs shown) and update cadence (every 6 weeks vs every 4 months). On price, review sentiment, monetization model 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
Both are free to download. NDB Pro sells 1 in-app purchase, starting at $8.99 per year. AC asks for nothing beyond the download.
AC ships an update every 4 months, NDB Pro every 6 weeks. The most recent releases landed on October 8, 2026 and September 22, 2026 respectively.
| Parameter | AC | NDB Pro |
|---|---|---|
| Price | Free | Free |
| Rating | 1.5 (13 ratings) — better | — |
| Positive reviews | 0.0% of reviews | 0.0% of reviews |
| Number of ratings | 13 — better | — |
| Update frequency | Every 4 months | Every 6 weeks — better |
| Ads | Yes | No — better |
| In-app purchases | No — better | Yes |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 11.0 | 8.0 — better |
| Further details — not scored | ||
| Size | 29 MB | 49 MB |
| Age rating | 4+ | 4+ |
| Developer | Informa Media | P8G Software |
Customer experience
AC
NDB Pro
In-app purchases
AC
No in-app purchases
NDB Pro
- NDB Yearly Subscription$8.991 Year









