I brought this killer iPhone feature to my Pixel and it didn't cost a penny

AppLock is a free Android application that ports over the iPhone's ability to lock apps behind a PIN or biometrics, and I can't live without it.
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Never Choose This Pin Code To Lock Your Phone

While setting up a lock screen PIN on your Android or iPhone, there's always the fear that you might forget it one day. That's especially true if you usually rely on quicker methods without a password ...
Android Authority

I use a duress PIN to protect my data — here’s how it works and why everyone needs one

From two-factor authentication codes to conversations and photos, our phones contain a ton of sensitive data these days. We rely on PINs and biometrics for daily security, but I shudder to think what ...