First Alert by Resideo
Resideo Technologies, Inc.
About this app
- Age 10
- Updated Oct 1, 2025
- OS IOS
Editor reviews
First Alert by Resideo is a smart home safety app that helps you monitor compatible First Alert smoke and carbon monoxide alarms from anywhere. Receive instant Wi-Fi alerts for smoke, CO, and low battery events, check device status in real time, and view guidance to act quickly and confidently. Designed for busy households, it brings simple setup, reliable notifications, and multi-home management into one place.
Core features include real-time push notifications, at-a-glance device status and history, easy Wi-Fi setup, and family sharing for trusted contacts. Ideal for home safety enthusiasts looking for a smart home safety app for smoke alarms, carbon monoxide detectors, and remote home monitoring powered by Resideo and First Alert.
Screenshots
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How to use:
1. Download the app and sign in or create a Resideo account.
2. Tap Add Device, scan the code on your First Alert alarm, and follow the on-screen steps to connect it to Wi-Fi.
3. Name your device and room, then enable notifications for smoke, CO, and low battery alerts.
4. Use the dashboard to check live status, run tests when prompted, and review event history.
5. Invite family members or roommates for shared access, and add more homes or devices as needed.