Gamers of all stripes are drawn to IAPs; devoted players spend more money to obtain an advantage over less committed players. The difficulty for game developers is to balance providing an engaging and balanced experieslots appsnce for all players, regardless of their spending patterns, with appealing IAP offerings. For developers of mobile games, advertisements are yet another important source of income. Developers can make money without charging players directly by adding advertisements into their games. In-between-the-commercials, rewarded video ads, and banner ads are among the available ad formats. Every format has unique advantages & difficulties.