Riocard Mais - Cartão Digital Valida Mais is an Android app developed by Riocard Mais under the Utilities & Tools category. It is a free app that provides convenience to users by allowing them to manage their Riocard Plus rechargeable cards. With this app, users can check their balance, transaction history, and even pay for their transit fare using their phones. The app requires NFC technology to work and can only read Riocard Plus rechargeable cards, such as Express, Transportation Voucher, or Corporate. The app also offers features such as favorite recharge, purchase of recharge, and biometric authentication. Overall, Riocard Mais - Cartão Digital Valida Mais is an intuitive and user-friendly app that provides a complete solution for managing Riocard Plus rechargeable cards.