Interstitial ads are a commonly used advertising format that consists of full-screen advertisements that show up during app transitions or game levels, among other naturummy all games listral breaks in the app's flow. Though more visually striking than banner ads, interstitials should be used carefully to make sure the user experience is improved rather than worsened. Developers should also look into rewarded ads, which give users the choice to view an advertisement in exchange for in-app purchases or premium content.