Delta Base — Your displacement from anywhere

Track your real-time position relative to any saved GPS base point. Perfect for hikers, travelers, pilots, and anyone who needs to know exactly how far they've wandered from a reference point.

WHAT IT DOES
• Shows live X/Y/Z displacement from your active base point
• Calculates horizontal distance (Direct) and 3D distance (Direct+Z)
• Displays compass bearing and vertical angle to your base
• Tracks your maximum distance reached — per base point
• Switch between Flat Earth (fast, for <1km) and Real Earth (Haversine, for any distance)

BASE POINTS
• Save your current GPS position as a named base point
• Share locations directly from Google Maps into Delta Base
• Enter coordinates manually — works without GPS
• Store unlimited base points with quick-switching
• Built-in Eiffel Tower demo point to get started instantly

MODES FOR EVERY ACTIVITY
• Hiking — meters, high-accuracy GPS
• Marine — nautical miles, heading focus
• Air — altitude in feet, vertical speed indicator
• Train/Car — speed display, reduced altitude noise

MORE FEATURES
• Mini-map and radar view showing your position vs base
• Distance matrix between all saved points
• Compass with true north correction
• GPS accuracy indicator and altitude reliability warning
• Dark mode support

Units: meters, feet, or nautical miles

Whether you're tracking a solo hike, measuring distance from camp, or just curious how far you've wandered — Delta Base keeps you oriented.

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What's New
• Real-time displacement tracking with compass bearing
• Flat Earth / Real Earth calculation toggle
• Share locations from Google Maps directly into the app
• Multiple base points with quick switching
• Radar view and distance matrix