Altitude Watch app for iPhone and iPad

Get all the information you need about your current Altitude and Pressure information at a glance.

The app uses the built-in GPS and Barometer in your Apple Watch to display your current Altitude, Atmospheric Pressure and Effective Oxygen Percentage in the air.

The Pressure is measured in many units, PSI, mmHG, inHg, hPA, kPa, Bars. and automatically calculates the effective oxygen level based on your Altitude and Pressure.

You can customize the complications to show your Altitude in a relation to Sea Level and Mount Everest, or to show the current Oxygen Level in a lowest-highest gauge.

You can also customize the complication to show the current Pressure in any unit you want.