GoSki is a precision ski telemetry and resort intelligence tool designed for skiers and snowboarders who want data, not guesswork. HIGH-PRECISION TRACKING β’ 1 Hz GPS sampling with full accuracy metadata β’ Computed metrics: top speed, average speed, vertical drop, distance, run count β’ Automatic activity classification distinguishes ski runs from chairlift rides β’ Background location support β tracking continues even when the screen is off β’ Works fully offline; all data written locally via SwiftData POST-RUN ANALYTICS β’ Charts for speed over time and altitude over time β’ Per-run statistics: duration, max speed, vertical loss, total distance β’ Season trends: aggregate vertical, total runs, fastest day β’ Native SwiftUI charts optimized for iPhone displays RESORT INTELLIGENCE β’ Curated resort database covering global destinations β’ Trail counts broken down by difficulty (green / blue / black / double black) β’ Elevation profile: base, summit, vertical drop β’ Live weather integrated via Open-Meteo (air temperature, wind, snowfall) β’ Interactive map with search, filter and sort PRIVACY ARCHITECTURE β’ All tracks, runs and analytics stored locally on your iPhone β’ No accounts, no login, no ads, no analytics SDK β’ The only outbound request is to the public Open-Meteo weather API; no personal data is transmitted β’ Clear permission prompts, location access requested only when needed OPTIMIZED FOR iOS β’ SwiftUI + SwiftData, native performance β’ iPhone-only, portrait and landscape supported β’ Background modes limited to location, activated only during active tracking β’ MapKit powered resort and track visualization No subscription. No data harvesting. Just a professional tool for skiers.