Unlike most other applications you may have installed on your iPhone or any device with iOS, Google Maps application allows users to manually clear your cache. This will delete the downloaded when using the Google Maps application in iOS, including all local application cache involving data stored offline maps and restore cookies within the mapping application files.
This is very useful for users who use this tool feature, particularly as to the application of Google Maps can often take a considerable amount of local storage through caching maps.
How to manually empty the local cache of Google Maps on an iPhone
This tutorial is focused for the iPhone, but this power exists in the application of Google Maps for any iOS device.
Open Google Maps and click on the menu icon horizontal lines in the upper left corner.
Go to "Settings" and then choose "approaches, terms and privacy"