Cnav
iPhone / Navigation
Introducing Cnav — Precision Barometer, Altimeter, Compass, and Coordinates.
Get real-time environmental insights right from your device — no internet required.
Cnav turns your iPhone into a powerful navigation and atmospheric tool. Measure barometric pressure, track elevation, find your heading, and view precise coordinates with a beautifully minimal design that stays readable in any light.
Unlike apps that depend on remote data sources, Cnav reads directly from your device’s sensors to deliver fast, reliable, offline information — perfect for hiking, backcountry trips, sailing, or simply understanding the world around you.
Key Features
• Barometric Pressure
• Real-time readings with smooth updates
• Choose your unit: inHg, kPa, or mmHg
• Altitude & Elevation
• Accurate elevation above sea level
• View in meters (m) or feet (ft)
• Precision Compass
• Minimal, elegant compass design
• Responsive needle animations
• Coordinates Made Simple
• Clear, customizable coordinate display
• Unit pickers that stay out of your way
• Sun Timer (Daylight Awareness)
• At-a-glance information to plan your day outdoors
• Beautiful, Adaptive Design
• Dynamic backgrounds: day sky, night sky, steampunk, or automatic
• Subtle materials and shadows for clarity without clutter
• Easy Calibration
• One-tap sensor calibration for optimal accuracy
• Works Offline
• No Wi‑Fi or cellular required — perfect for remote environments
Why You’ll Love Cnav
A thoughtfully crafted interface that blends elegance with purpose. Semi-transparent materials, refined typography, and fluid motion make every reading easy to read and satisfying to use — whether you’re on a summit ridge or at your desk.
Built for hikers, sailors, weather enthusiasts, and anyone who appreciates precise, on-device environmental data.
Download Cnav and elevate your journey.
Note: Continuous use of GPS and sensor data can decrease battery life. For best results, calibrate your device periodically.