Best AstroApp I know
I have this App on every IOS device and on my Macs. It is really the best. It is great for daily observations. But addionally for me as archeo astronomer it shows perfect the sky at any location in the past. Great Tool!
Altisto about
SkySafari 4 Pro: Professional Telescope Astronomy! Explore Sun, Moon, Mars, Stars, Planets, and Satellites! Go where NASA space missions have not!, v4.5.3