Co–Star is the astrology app that deciphers the mystery of human relations through NASA data and biting truth. 2x App of the Day. Featured in the New York Times, Vogue, Vanity Fair, and more. > "Good advice." New York Times > "Banging astrology app." Dua Lipa > "Connect with people about your astrology sign." Conor Oberst Features • Add friends to compare natal charts and see your compatibility. • Read personalized daily horoscopes. • Receive daily push notifications based on your horoscope fo