The search history is a collection of your recent searches and results. It’s important to keep it safe because it can help you find what you’re looking for.
To delete your activity history:
Open the App Store and sign in to your Apple ID or use a new account
Scroll down to the bottom of the App Store screen and tap on the three lines in the top right corner (the three lines that look like a triangle)
Yes, your parents can see your search history if they have a login to your account.
Some people believe that clearing your browsing history can help you focus better on the web, while others argue that it can make your computer more vulnerable to attack. Ultimately, it’s up to you to decide whether or not you want to clear your browsing history.