
Plane Finder is simply a sparkling illustration of what happens erstwhile a tiny squad grows with a platform.
Launched successful 2009, Plane Finder didn’t standard implicit the years by adding headcount, vendors, oregon complexity. Instead, founders Jodie and Lee Armstrong made a semipermanent stake connected Apple’s ecosystem — staying native, sticking adjacent to first-party tools, and speechmaking level signals early. And implicit time, an app that began arsenic “planes connected a map” evolved into a afloat end-to-end flight-tracking concern — 1 that includes a planetary web of carnal hardware — built and operated by a squad of conscionable 8 people.
We talked to the joined founders astir their aboriginal days, the caller plan and Liquid Glass, and the challenges of moving a planetary formation tracking network.
Plane Finder
- Available on: iPhone, iPad, Apple Watch
- Team size: 8
- Based in: UK
Download Plane Finder from the App Store >
Take america backmost to 2009. What sparked the thought for Plane Finder, and what were those aboriginal days like?
Lee: We’ve been connected the App Store since astir a twelvemonth aft it opened. It feels similar a lifetime. But the existent spark was seeing the unveiling of the iPhone itself successful 2007. We were really successful the United States erstwhile it came out, truthful we picked 1 up, not truly knowing what we’d bash with it. There was nary App Store yet, and I couldn’t adjacent usage it arsenic a telephone successful the UK. It was virtually conscionable to clasp and swipe backmost and forth. But that infinitesimal became specified a immense portion of our journey. We inactive person that iPhone connected display.
In those aboriginal days, did you person aspirations of becoming an end-to-end formation tracking platform?
Jodie: Not astatine all. We started with conscionable the app. Today, we cod our ain positional accusation straight from aircraft, enactment it wrong apps, and merchantability our information commercially.
You’re a tiny squad of 8 people. What’s that like?
Lee: I don’t deliberation we could person done it without Apple technologies. We’re a tiny team, and we wouldn’t person the level oregon methods to marketplace connected a planetary standard without the App Store — recognition cards, StoreKit, localization. We truly worth the App Store arsenic a platform.

Plane Finder is known for adopting Apple technologies and features — similar ARKit, MapKit, and Liquid Glass — early. Which tools person made the biggest difference?
Lee: It each goes backmost to MapKit. We flippantly accidental the app is “planes connected a map,” and MapKit is halfway to that. We’re besides large users of Metal for our 3D globe view. And we conscionable wouldn’t beryllium capable to grip subscriptions and monetization with promotional offers without StoreKit 2. We don’t usage immoderate 3rd parties oregon cross-platform frameworks. We’re each successful connected Apple technologies due to the fact that they supply everything we need.
What made you consenting to beryllium specified aboriginal adopters?
Jodie: I steer the institution from the mindset of a punctuation I heard years ago: “When caller technologies travel along, you tin either beryllium portion of the steamroller oregon portion of the road.” We ever privation to beryllium portion of the steamroller. We’re speedy to measure caller technology, and if we tin thin into it successful a mode that makes consciousness for our products, we spell for it.
Can you speech astir the process of adopting Liquid Glass?
Jodie: We were connected committee with the conception consecutive away. From a enactment perspective, we said, “This is the future. We’ve got to marque it marque consciousness for what we do.” The plan and engineering teams worked incredibly hard bringing those 2 things unneurotic — staying existent and leaning into the tech portion making it marque consciousness for our world.
What does the developer assemblage mean to you?
Lee: It’s the reinforcement piece. When you’re moving successful silos, the assemblage gives you assurance that you’re applying technologies correctly. It’s each good and bully seeing WWDC sessions with slides and illustration code, but that’s precise specific. Seeing however it works successful the existent satellite is invaluable.
Jodie: Everyone I talk to wrong Apple has passionateness and opinions astir our app. They’re precise engaged, and each portion of feedback is valuable. We’ve been asked questions implicit the years similar “Why bash you bash this with your toolbar?” All that speech is helpful.

Plane Finder isn’t conscionable an app. You’ve deployed thousands of formation tracking devices worldwide. How has Apple’s ecosystem enabled that?
Jodie: There’s a symbiotic narration betwixt radical enjoying the app and wanting to get progressive by hosting receivers wherever we request coverage.
Lee: When we archetypal started, we had 1 receiver covering the southbound of the UK. People downloaded the app and said, “This is great, but I unrecorded successful Scotland and can’t spot immoderate planes.” So we’d nonstop them a receiver. Before long, we heard that from Sweden, the United States, Africa, and Asia.
Jodie: Today, we usage the app to find radical successful locations wherever we privation to amended coverage. We’re leveraging the powerfulness of the assemblage to turn the web adjacent further.
What’s next?
Jodie: We haven’t finished our Liquid Glass journey. We’re moving connected an interior task code-named “Plane Finder Double Glazed” — the adjacent iteration with wider UI changes that we held backmost initially. We’re besides looking astatine however we tin leverage instrumentality learning and instauration models.
What’s 1 happening radical don’t recognize astir moving a planetary formation tracking network?
Lee: We ain and run the web of receivers that powerfulness it. A batch of radical deliberation we bargain that information similar different companies do.
Jodie: We’ve designed and manufactured receivers and antennas. There’s much to america than conscionable being an app!
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Developer stories research champion practices and philosophies from immoderate of the astir inventive developers successful the Apple community. In each story, we spell down the screens with developers, designers, and engineers to find retired however they brought their singular creations to life.
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