Credit Card Smart Manager is a free finance-aid Android application developed by Benevolence App. The app's primary function is to help users manage their finance accounts, track their spending, and monitor promotions by each of their credit cards. The application has an intuitive user interface that makes it easy to navigate.

One of the standout features of Credit Card Smart Manager is the suggestion feature, which recommends a credit card to use when creating expense-type transactions in relation to promotions that the user has created. This feature helps users maximize their credit card rewards and benefits. The app also allows users to set budgets and alerts to help them stay on track with their spending.

Overall, Credit Card Smart Manager is a useful tool for those looking to better manage their finances and maximize their credit card rewards. The app is free and easy to use, making it a great option for anyone looking for a finance management app.