Modern Altimeter GPS+ app is for folks who care for hiking and biking in mountainous terrain. GPS is getting very accurate in terms of distance indication. The choice between unit system is perhaps an important thing, just for your convenience the app is being equipped with both of them (Imperial and Metric). Surprisingly strong barometer measures the weight of the air pressure above a given point and determines elevation of two points. 
This app has a creative and user-friendly style design, simple and comprehensive functionalities. Features included

- Imperial and Metric unit settings.
- GPS accuracy indicator.
- GPS distance accuracy indicator.
- Density of air , indicator.

Search any place and drop search pin with place info.

Built in library

Map integration
- GOOGLE maps
- Satellite maps mode.
- Hybrid maps mode.
- Standard maps mode.
- Terrain maps mode.
- Tracking location changes trajectory.

Compass
- Compass with camera
- Take a pictures with coordinates
- Shows device real-time orientation to magnetic fields.
- Ability to switch between true and magnetic North.
- Location coordinates (longitude, latitude).
- Course

Track information
- Time elapsed.
- Distance.
- Average speed.
- Max speed.
- Altitude.

Tracking
- Speed tracking in mph or km/h based on MPH or KM/H mode.
- Distance tracking in miles or kilometers based on MPH or KM/H mode.
- Time tracking.
- Longitude, latitude coordinates.
- Save locations drop a pin


Weather 
-- Temperature information.
-- Wind
-- Visibility
-- Sunrise,Sunset 

-- High/Low Temperature. 

-- Ability to switch between Celsius and Fahrenheit.