CashCatch

CashCatch is a personal finance tool designed to help users maximize cashback rewards on their purchases. It determines the optimal combination of payment card and cashback portal for any store, allowing users to increase the percentage of cashback they receive. The tool operates on the user's device, ensuring that personal wallet information remains local and is not sent to any server. No account creation or sign-up is required, and there is no subscription fee; the service is free to use, with revenue generated through affiliate commissions when users shop via its links. To use CashCatch, individuals add the cards they have in their wallet, with this information stored locally. When shopping, CashCatch identifies the store and checks the user's cards against current cashback rates from various portals, presenting the best card and portal combination to maximize rewards. This process works both online at checkout and in-store, providing recommendations in real time at the point of purchase. CashCatch is available as a browser extension for Chrome and Firefox, as well as a mobile app for iOS and Android devices. The tool is aimed at users who want to optimize their cashback earnings without sharing sensitive data or managing multiple accounts. It is positioned within the class of personal finance tools that assist with cashback optimization by combining credit card rewards and shopping portal bonuses.