Celerity is a free mobile application developed by Shift Latam for Android devices. It is a business and productivity app designed to provide users with easy access to their account services. With Celerity, users can manage their accounts, review invoices, make payments, and access customer service support.

The app's interface is user-friendly and easy to navigate. Users can communicate with customer service representatives through chat or request a call back. Additionally, the app provides access to the Club Celerity benefits program, where users can view and redeem available rewards. Overall, Celerity is a valuable tool for those looking for a convenient and efficient way to manage their accounts on-the-go.