“Since downloading Co—Star earlier this year, I have received notifications like ‘Check your ego’ and ‘Do you play well with others?’ and ‘Look in the mirror and ask yourself ‘who’s the boss?’ It is the perfect app for the current moment: spare and stylish, more than occasionally nihilistic in tone, and made to be shared on social media. That it is about astrology is almost incidental, but has obviously contributed to its popularity. Because astrology, as you have probably heard, is trending.” The Verge on the latest zodiac app. Rising Signs. (Like astrologers, I have no idea if you’ll like this article…)