It is a small app made to calculate potential of water storage using roof size, roof type, catchment type and average rainfall in your area (mm/year). This app will calculate approximate water collection in (liters/year) and water saving potential. Also it provide auto generated comments and suggestions to user.
This will be helpful to all those people who want to build rain water harvesting project in there home or building.
In this app approximate value of average rain fall in a year gather from server and user can change it as per there requirement.
This is first release of rain water harvesting app for all users