Although Google Maps' Timeline feature isn't brand new, starting today, iOS users will also be able to access this feature directly from the iOS version of the app. Previously, the only way for iOS users to see this was by logging into a desktop and signing into the appropriate Google account. Google has been collecting this information for years at this point, but if the idea that Google has a record of your whereabouts bothers you, you can always turn the feature off. We've certainly referred to the timeline when we can't recall the name of a restaurant or if we were trying to recall how...
Source: http://www.gsmarena.com/google_maps_timeline_feature_is_now_supported_on_ios-news-24587.php
