Geofencing in Turbo Native with Core Location

I still remember standing on the sidewalk outside a client’s office, watching the beta testers drive around the block for the twentieth time. We had built a sleek Turbo Native app for a property management company. The web views were fast, the native navigation was smooth, and everyone was happy—until the product manager asked the inevitable question: “Can we automatically check in a technician when they arrive at a job site?” My stomach dropped. I knew what this meant. We were about to step out of the cozy world of web views and into the wild, unpredictable wilderness of Core Location, geofencing, and background execution. And we had to make it work inside a Turbo Native wrapper—a hybrid app that was, at its heart, a web app pretending to be native. What followed was a journey of frustration, late‑night debugging sessions, and eventually, a breakthrough that felt less like engineering and more like alchemy. This is the story of how we brought geofencing into Turbo Native—and how I lea