Browsers are apps too and your statement is too vague. Please explain what you’re afraid of. To me, it sounds like you’re talking about third party apps, and

Browsers are apps too and your statement is too vague. Please explain what you’re afraid of. To me, it sounds like you’re talking about third party apps, and your fear is about third party developers having access to your web accounts. In that case, that makes a bit more sense but then I hope you’re not using any browser extensions as well.