Opay Adder is a smart, secure mobile utility designed to simplify how you manage micro-payments and top-ups. With one-tap transfers, quick airtime and data purchases, and an intuitive transaction history, Opay Adder helps you top up friends, pay bills, and track spending — fast. Built with industry-grade encryption and two-factor authentication, it’s made for everyday convenience and peace of mind. Perfect for small business owners, busy commuters, and anyone who wants payments that just work