First Alert by Resideo is a lifestyle app developed by Resideo Technologies, Inc..
Download Statistics
First Alert by Resideo has been downloaded 220 thousand times. In the last 30 days, the app was downloaded 28 thousand times. It is ranked in the top 100 lifestyle apps.
User Ratings
First Alert by Resideo is rated 4.36 out of 5 stars. The rating is based on 3.2 thousand ratings.
App Information
First Alert by Resideo is FREE to download. The last update was on June 3, 2025.
Technical Requirements
The app has a content rating of Everyone. The app has been available on Google Play June 2024.
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.
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The app works well but the name isn't informative if all you use it for is to control a Honeywell thermostat. The app name sounds like it controls an alarm system or something. Wish they would just call it Resideo like it used to be.
★★★★★Bob· May 27, 2026
Fantastic app especially after trying the 2 garbage Honeywell apps. I am using it to control 2 Honeywell thermostats and it works great. It would be an A+ instead of an A if you could just select Vacation mode on or off with one button instead of having to program a schedule each time you want to use it. Our Ocoee does that, and it is much easier to use that mode that way.
★★★★★Carel Edgerly· Jun 3, 2026
Works great once we got the Wi-Fi stabilized. Handy to just sit and change the setting without going to the thermostat. Our is wacky, so we're on heat one day, AC the next.
★★☆☆☆Benjamin Brochstein· Jun 1, 2026
Presidio stopped working with Google home and Honeywell home instructed me to install this First Alert instead. I have been using Google home to change the set point of my thermostat. In Presidio it worked perfectly. In First Alert when the set point is changed a permanent hold is applied so that the thermostat will no longer follow the set schedule. There seems to be no way to make a temporary change in the set point the way that Presidio worked.
★☆☆☆☆Brian Whirledge· Jun 14, 2026
This buggy app signed me out and then won't even let me sign in with the saved password.
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