If your app still asks for a password every 30 days, you are losing users. Migrate to device-based, one-time registration today.
Enable OTR wherever offered. It is safer than reusing the same password across 50 sites. one time registration login
Unlike traditional "Remember Me" checkboxes (which simply keep a cookie for 30 days), true OTR uses device-based fingerprints. The moment you sign up or log in on a new phone, laptop, or tablet, that device becomes a "trusted key." If your app still asks for a password