Compass & Altimeter: GPS Tools

The most complete compass app on Android. Compass & Altimeter combines a precision digital compass with a full suite of GPS and navigation tools - all offline, no account required.

Key Features:
- Real-time compass with animated compass rose and cardinal directions
- True & magnetic north with live magnetic declination for your location
- GPS altitude, speed, and coordinates displayed at a glance
- Bubble level / inclinometer - check if any surface is perfectly level
- Sunrise & sunset times with daylight duration, calculated for your exact GPS position
- Waypoint navigation - set any destination by coordinates or place name search, then follow the bearing arrow straight to it
- Light and dark mode - easy to read day or night

Why Compass & Altimeter?
Most compass apps show you a needle and nothing else. This app gives you everything a navigator, hiker, traveller, or engineer actually needs - all in one place, all working offline, all accurate.

Compass Features:
- Animated compass rose with degree markings
- Real-time heading in degrees
- Magnetic declination correction for true north
- Smooth, low-latency sensor fusion

GPS & Navigation:
- Live GPS altitude in metres or feet
- GPS speed in km/h or mph
- Precise coordinates (latitude/longitude)
- Waypoint navigation with bearing, distance, and direction arrow
- Search for any place by name (powered by OpenStreetMap)

Level & Inclinometer:
- Visual bubble level for pitch and roll
- Shows exact pitch and roll angles in degrees
- Perfect for photographers, carpenters, and DIY enthusiasts

Sun Times:
- Accurate sunrise and sunset for your GPS location
- Day length in hours and minutes
- Daylight timeline bar showing your position in the day

More:
- Metric and imperial units
- Works offline (compass, level, and sun times need no internet)
- Dark mode support
- No account or login required
- Minimal permissions - only location (for GPS features)

Download Compass & Altimeter and always know where you are, which way you are facing, and when the sun sets.