Cnav

Barometer, altimeter, compass.

Only for iPhone

$1.99

iPhone

Hike smarter. Get real-time altitude, barometric pressure, and heading from on‑device sensors, no signal needed. 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.

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The developer, Chris vK-Cintorino, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .

  • Data Not Collected

    The developer does not collect any data from this app.

    Privacy practices may vary, for example, based on the features you use or your age. Learn More

    Accessibility

    The developer has not yet indicated which accessibility features this app supports. Learn More

    Information

    • Seller
      • Chris vK-Cintorino
    • Size
      • 9.5 MB
    • Category
      • Navigation
    • Compatibility
      Requires iOS 26.2 or later.
      • iPhone
        Requires iOS 26.2 or later.
    • Languages
      • English
    • Age Rating
      4+
    • Copyright
      • © 2026 Christopher von Krebs-Cintorino
  • Privacy Policy

    • Supports

    • Family Sharing

      Up to six family members can use this app with Family Sharing enabled.