How to Clear History and App Cache on iPhone At Once In this post, we will share how to permanently delete history on iPhone or iPad and how to clear app cache. Hence it is advisable to clear these history on your iPhone from time to time in case data leak, which quashes any possibility of the occurrence of privacy issues and also helps keep your device running smoothly. Besides, history from the Phone app, Messages app, Maps and even Keyboard may also let others pry your private information. However, by default, browsers like Safari on iPhone or iPad keep the pages you visited, your search history or your AutoFill information, which can raise privacy concerns as your personal data can be misused by malicious apps or people. When you use iPhone or iPad, they usually keep tracks of what you do, so that you can easily do things such as checking a website you’ve visited or viewing a missing call. 8 Ways to Clear History and App Cache on iPhone or iPad