https://alertvip.com/blog/f/we-built-alertvip-to-override-silent-mode-then-we-realized-that https://alertvip.com/blog/f/5-reasons-parents-need-a-vip-notification-app-in-2026 https://alertvip.com/blog/f/whatsapp-vip-notifications-get-alerts-only-for-key-chats https://alertvip.com/blog/f/how-to-override-silent-mode-for-important-contacts-on-android