I do not ban any devices from installing this app, as some people have more than one device, such as tablets without cameras, or compasses, and I will gladly refund users if the app is not working for them. 1 $6.99 Pre-ordered Living in the sun - Sun & Moon Zero.Point 1 Free Predicting Sun an Moon positions.for who* Photographers.* Architects* Gardeners* Campers* Real Estate Buyers* Astronomers.*