Ads that are too intrusive or irrelevant can alienate users and have a detrimental effect on engagement and retention. Therefore, in order to make sure that the advertisements improve rather than worsen the user exall slots appperience, developers must carefully consider ad placement, frequency, & relevance. Another well-liked method of app monetization is in-app purchases, which let users purchase in-app virtual goods or premium features. In gaming apps, where users can buy in-game currency, power-ups, or extra levels, this model is frequently utilized. But non-gaming apps can also use in-app purchases to charge for premium features or content.