Behold, the top banned (i.e., blacklisted by the Enterprise) iOS and Android mobile applications with data generated by Appthority.

'According to Appthority’s proprietary Mobile Threat Risk Score, Uber, WhatsApp Messenger and Facebook Messenger are the riskiest Android apps commonly found in enterprise environments. The riskiest iOS apps found in enterprises are Facebook, Pandora and Yelp.' - via Helpnet Security