Flight Follower

Flight Follower also offers Live Activities that deliver real-time notifications about nearby aircraft directly to the iPhone Lock Screen and Dynamic Island. Users can see a continuously updating list of the closest aircraft along with their distances, altitudes, and headings without ever needing to open the app itself. This feature proves particularly valuable during walks, hikes, or dedicated plane spotting sessions where constantly pulling out and checking a phone would be inconvenient or distracting. The Live Activity displays an organized list of nearby flights with essential data points such as an Airbus A321neo at 12,400 feet two miles away or a Boeing 737 MAX 8 at 8,200 feet approaching from a specific direction. By surfacing this information at a glance, the feature allows users to stay informed about the air traffic environment around them while keeping their attention focused on the sky and their surroundings.

The app includes customizable Home Screen widgets that allow users to monitor nearby aircraft with a single glance at their iPhone. Available in multiple sizes to accommodate any Home Screen layout, these widgets can display information such as the closest aircraft, the total number of aircraft nearby, and even a specific count of helicopters in the area. Users can configure the widgets to show the data points that matter most to them, effectively creating a personalized aviation dashboard that lives right alongside their other essential apps. Behind both the widgets and the entire app interface sits a native Swift map that delivers smooth 60-frames-per-second scrolling and instant position updates for every tracked aircraft. Unlike the web-based map views used by competing trackers that can feel sluggish and unresponsive, this custom Swift implementation takes full advantage of Apple's Metal graphics framework to render aircraft positions with exceptional speed, fluidity, and visual clarity.

Flight Follower operates by pulling real-time ADS-B data from community-driven sources including adsb.lol and airplanes.live. These platforms aggregate transmissions from a global network of ground stations that receive signals broadcast by aircraft transponders, providing continuously refreshed flight information that reflects actual aircraft positions and flight parameters. The app processes this incoming data stream through its native Swift engine and renders aircraft positions on the fast custom map for exploration. Users can tap on any aircraft icon to access a comprehensive details panel showing the aircraft type, airline, registration number, altitude, speed, heading, and distance from the user's current location. The underlying data refreshes continuously rather than on a delayed polling interval, ensuring that what users see on their screen accurately represents the current state of the airspace around them at any given moment.

There are numerous real-world scenarios where Flight Follower enhances the aviation experience in meaningful and practical ways. A dedicated plane spotter positioned at an airport perimeter fence can use Siri to instantly identify a distant aircraft without taking their eyes off the sky or fumbling with their phone. A private pilot enjoying a day off can monitor local air traffic patterns around their home airfield using the Live Activity feature while out for a neighborhood walk. An aviation photographer waiting at a spotting location can check their Home Screen widget to see if any interesting or rare aircraft are approaching before setting up their camera equipment. A curious individual sitting in their backyard can simply ask Siri about the plane flying overhead and immediately learn that it is a Boeing 787-9 operated by Delta Airlines cruising at 35,000 feet while en route to its destination hundreds of miles away.

Flight Follower is built exclusively for iOS as a native Swift application, optimized for iPhone and designed to deliver the best possible experience by fully leveraging Apple's hardware and software capabilities. An Android version is not currently planned because the developer's focus remains on deep integration with iOS-specific frameworks including Siri Shortcuts, Live Activities, WidgetKit, and Metal graphics. The core features of the app are completely free with no advertisements of any kind, reflecting its origin as a genuine passion project created for the aviation community by a fellow enthusiast. A Pro tier is coming soon with advanced capabilities including emergency aircraft notifications that alert users when air ambulances or search and rescue flights are nearby, custom call sign alerts that notify users when specific aircraft take off, and live tracking for following a particular plane with real-time updates on altitude, heading, and estimated time of arrival. Whether you are a licensed pilot, a dedicated plane spotter, or simply someone who looks up when you hear an aircraft overhead, Flight Follower provides the clean, fast, and deeply capable flight tracker app experience that aviation enthusiasts have been waiting for.

Updated 2026-02-28