A user's ability to make money based on their availability, skills, and interests is matched to each category of the highest earning apps. There is a top earning app out there for everyone,how to play rummy game regardless of how they want to make extra money: through gaming, shopping, opinion sharing, freelancing, or passive income activities. Take into consideration the following advice to optimize your profits with high-earning apps: 1. Diversify Your Activities: To increase the variety of revenue streams available to you, investigate various kinds of high-earning applications.