FREE today – Star Walk™ 2 – Guide to the Night Sky to Watch Stars, Planets, Meteor Showers & Constellations. Just point your iPhone or iPad at the sky to begin your journey through the stars, comets, and constellations. Star Walk™ 2 is the next generation of the best-selling Star Walk which has been used by over 10 million people. Summer is the perfect time for you and your children to learn the position of stars, planets, constellations, comets, ISS, satellites, star clusters, nebulae and meteor showers in the night sky. Grab your telescope and Star Walk 2 and have a family stargazing party tonight!