On iPhones, go to the Privacy setting then scroll down to Apple Advertising, and then switch off Personalized Ads. On newer ...
"From fitness tracking to navigation ... In general, go to settings, and then tap the Location icon, which lets you turn it on or off for all apps. To tweak settings for individual apps, tap ...
“From fitness tracking to navigation ... In general, go to settings, and then tap the Location icon, which lets you turn it on or off for all apps. To tweak settings for individual apps ...