Rampage Apps
AlertLoop is a private group alert system for messages that should be difficult to miss. It connects Android phones and Windows PCs through invite-only groups and presents incoming messages as a full-screen alert when the recipient has granted the required device access.
AndroidWindows
Full-screen priority alerts with a notification fallback
Invite-only groups with expiring one-use QR codes
Urgent, work, family, friends, and critical alert types
Text and optional camera or photo attachments
Android and Windows clients connected to the same groups
Windows companion
The Windows listener runs quietly in the system tray and opens incoming alerts full screen. The USB edition can prepare another device for a group selected by an owner or admin.
Get Windows setup help