Nomad Tracker is a privacy-first native iOS app designed to help digital nomads and frequent travelers track days spent per country and avoid fiscal residency thresholds like the 183-day rule. The app offers comprehensive tracking features including manual entry, photo metadata inference, optional GPS auto-logging, and fiscal residency monitoring with customizable limits and Schengen 90/180 rolling window support. It includes immigration "runway" tracking for various rule types, data ingestion from photos and background location logging, a visual dashboard with charts, local notifications for thresholds, and a home screen widget. Built with SwiftUI, SwiftData for persistence, and structured concurrency, the app processes all data locally on-device with minimal permissions and no cloud storage.