Offering free trials or discounted prices can also encourage users to subscribe so they can take advantage of the app's full features. To guarantee a profitable return on investment for developers as well as users, leveraging in-app purchases and rummy earn loginsubscriptions necessitates careful consideration of pricing, value proposition, and user engagement. If developers want to monetize their apps with ad revenue, they must implement effective advertising models. There are numerous advertising models that are available, each with their own advantages and considerations. These models include banner ads, interstitial ads, rewarded videos, and native ads. Small display ads called banners can be found at the top or bottom of an app's interface.