I built a livestock counting app for smallholders. No internet required, no subscription, no server. You take a photo of your chickens, sheep, or cattle, and it counts them — entirely on-device. Here's how it actually works. The Problem Smallholders regularly need to count animals. In a field. In a barn. Where there's no signal. The apps that exist are either generic (bad accuracy for farm animals), require a server round-trip, or charge you monthly to count your own chickens. None of that made sense to me. So I built Muster. The Stack iOS 17, SwiftUI, SwiftData — no third-party dependencies, ships as a one-time purchase YOLOv8n — the nano variant, exported to CoreML format Apple's Vision framework — handles the ML request lifecycle, orientation correction, and bounding box coordinate normalisation Zero backend — no server, no account, no ongoing cost The model is small enough to run on-device without breaking a sweat. YOLOv8n sits at about 6MB in CoreML format.…