Developers may increase user engagement and reach a larger audience by utilizing in-app advertising to increase revenue. But it's critical to find a middle ground between showing advertisements and preserving a satisfying usrummgolder experience. Ad placement and frequency within the app should be carefully considered, as too many can cause user frustration and lower engagement. Especially for gaming apps and apps that provide premium content or features, in-app purchases and subscriptions are common ways for Android apps to make money. Through in-app purchases, users can purchase virtual goods directly within the app, such as extra levels, power-ups, or in-game currency.