Bumble, One of the Top Dating Apps, Is About to Go Public. We Pored Over Its 247-Page Filing to Find 4 Key Takeaways. Posted byGrace Kay and Natasha Dailey February 11, 2021 Leave a comment on Bumble, One of the Top Dating Apps, Is About to Go Public. We Pored Over Its 247-Page Filing to Find 4 Key Takeaways. The company’s S-1 filing highlights its top investor and some of the risk factors Bumble faces.