About Co-Star

Someone downloads Co–Star every 5 seconds. 

In the five years since we launched, 25% of young people 18-25 in the US have downloaded the app. Big Sean has rapped about us, Ariana Grande & Kevin Durant post screenshots to their IGs, and we’ve been App of the Day twice. We’ve been featured in the New York Times three times, this year on the cover of NYT Style. We have a global following, in 193 countries – missing just North Korea and Eritrea. 

We don't pay for marketing – we designed the app to go viral, and it did. 

Astrology has been popular for 4,000 years.

Astrology is a tool for speaking about yourself, about who you are, what you’re experiencing, and how you relate to other people – in other words, a language for the things that really matter. It’s a structured system, based on the physical locations of the planets in the sky, developed over millennia 4,000 years of practice. &