The average CPM for mobile ads varies based on region, format, and industry. For display ads, the CPM typically ranges from $1 to $3. Video ads often have higher CPMs, averaging between $6 and $12. Interstitial ads, being more engaging, can reach CPMs of $4 to $10. Rich media and rewarded video ads may go even higher, depending on the target audience and placement. Factors like app popularity, user demographics, and ad relevance also influence CPM rates. You can optimize your revenue by selecting high-performing ad formats and targeting high-demand audiences in competitive markets.