You are, we hope, already protecting your phone with a PIN, a fingerprint, or a face (or all three), but sometimes you'll want to add an extra barrier to particular apps—if you're lending your phone ...

If you’re an iPhone user, your Notes app is likely filled with stuff (like your amateur poetry and passwords) that you don’t want other people to read. Apple knows that too, which is why iOS lets you ...

You can’t really go too far when it comes to phone security, considering everything of importance we put on these compact devices—from bank account apps to our most intimate conversations—and while ...

Beth Skwarecki is Lifehacker’s Senior Health Editor, and holds certifications as a personal trainer and weightlifting coach. She has been writing about health for over 10 years. August 13, 2025 Add as ...