The web browser is the most widely used app on the planet, and there are several open-source takes on the application that you should consider as your default.
You undoubtedly know about your browser's incognito mode: a special browser state where the software doesn't keep track of your activities in quite as much detail ...
To make Google Chrome the default browser on your iPhone, you'll need to download iOS 14 and then open its Settings page.
Firefox's dark mode allows desktop and mobile users to browse with a darker screen that can help reduce eye strain.