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First Alert by Resideo

First Alert by Resideo

4.42
|
V2.25.1
|
100K+
First Alert by Resideo screenshot First Alert by Resideo screenshot First Alert by Resideo screenshot First Alert by Resideo screenshot First Alert by Resideo screenshot First Alert by Resideo screenshot First Alert by Resideo screenshot First Alert by Resideo screenshot First Alert by Resideo screenshot First Alert by Resideo screenshot First Alert by Resideo screenshot First Alert by Resideo screenshot First Alert by Resideo screenshot First Alert by Resideo screenshot First Alert by Resideo screenshot First Alert by Resideo screenshot

App Information

Category Lifestyle
Developer Resideo Technologies, Inc.
Version 2.25.1
Content Rating Everyone
Price Free
Min Android 11
Updated Jun 17, 2026

Description

Take control of your home’s comfort, safety, and water leak detection with the First Alert app. Whether at home or away, this whole home solution lets you monitor and manage your smart home devices. Powered by our family of brands, the First Alert app is compatible across select Resideo, Honeywell Home and First Alert branded products. Plus, integrate with smart home partners to control additional devices in your home. Start connecting to what matters most with the First Alert app.

• Whole-Home Coverage: Manage video, smart smoke & carbon monoxide alarms, select smart thermostats, and water leak detection in one intuitive app.
• Alerts Whether Home or Away: Receive alerts for water leaks, motion, smoke or CO incidents and more, so you’re always connected.
• Trusted Brands: Powered by select Resideo, Honeywell Home and First Alert devices for reliable, trusted performance.

Key Features
• Comfort Control: Manage select Honeywell Home smart thermostats, set schedules, enroll in energy-saving programs to help save on utility.
• Smart Smoke & Carbon Monoxide Detection: Fire safety you trust is now connected and compatible. Add smart fire & CO safety alerts to your home and stay connected whether home or away. Plus, seamlessly integrate with existing Google Nest Protect Alarms* in your home to expand your safety ecosystem or if it’s time to replace.
• Smart Home Awareness Video Offering: Stay connected to First Alert Video Doorbell and Outdoor Cameras with advanced event detection for improved event information (people, pets, vehicles, packages) and notifications.
• Water Leak Detection: Water leaks can happen, and the First Alert WiFi Water Leak and Freeze Detector helps detect leaks early and help prevent damage. Plus, our Water Shutoff Device can be installed by a professional to shut off your home’s water supply when it detects water via the sensor cable or paired with the WiFi Water Leak and Freeze Detector.
• Smart Home Partner devices: Now control additional devices including Schlage smart locks, Kwikset smart locks and Genie garage door openers for ultimate convenience in one app. Plus, integrate with the leading Smart Home Platforms for the ultimate convenience and control.

Expand your home’s protection with our whole home offering. Learn more about our family of connected smart products at Resideo.com/FirstAlertApp
• New to our brands? Download the app and easily add devices with a guided setup.

Downloads

V2.25.1

Size: 76.19 MB

Updated: 2026-06-17

User Reviews

4.42
3K+ Reviews
5
75%
4
12%
3
2%
2
1%
1
9%
Jerry Stoeff
Jul 7, 2026

Works great, super easy setup and nice features.

Jacob Carlson
Jul 7, 2026

sorta sluggish app

Shawni Swisher
Jul 6, 2026

horrible app that keeps you stuck in a loop. Would never recommend the Honeywell wireless thermostat or the app. technicians that came out and installed it said they have constant issues trying to get people connected also. I've honestly never been this frustrated with an app. Don't waste your time or your money on the Honeywell thermostat.

Forrest M Phillips
Jul 5, 2026

bad sign in to activate account

A J
Jul 5, 2026

There needs to be a way to set the fan to continuously or permanently run. If you select continuously or permanently run it reverts back to auto. Can you fix that settings?

Cynthia Maxwell
Jul 4, 2026

Great app

Yury Russov
Jul 3, 2026

uninstalled right after installing... why do I need to provide my personal information to some 3rd party company (that one day will 100% get hacked) in order just to control thermostat???

Shondalee Frazier
Jul 2, 2026

it's constantly sending me notifications detecting someone at the front door and there is no one there. the clips it shows me are always from previous days. not in the current moment.

Lakme Caceres
Jul 2, 2026

can't sign in to the app. fire alarm is now useless

Bonnie Hite-Sammons
Jun 30, 2026

least useful app I've ever used. barely functional, horrible layout, basically just a data farming app. i can't believe i wasted an hour trying to set this up.