Maximum CPI is the maximum amount you are willing to pay for each app install generated through Apple Search Ads. It is the bid you set for your campaign to compete for ad placements. When users tap on your ad and install your app, you are charged up to the maximum CPI bid you have set.
Optimizing maximum CPI in Apple Search Ads is an ongoing process. Continuously monitor your campaign performance, analyze data insights, and make data-driven adjustments to your maximum CPI bid. Regularly review and adjust your bid strategy to ensure that you are achieving the best possible results within your allocated budget.