Compare Smart Alarms Prices

101 products$12 – $22022 on saleTop brand: KiddeUpdated 7:35 AM UTC

Comparing prices on 101 smart alarms across Amazon, Best Buy, Walmart, and other major US retailers. Prices range from $12 to $220. Top brand: Kidde. 22 products are currently discounted below their list price. Every price is refreshed regularly so you can compare retailers and buy at the lowest price available today.

Our Top Picks

Best Value

Kidde WiFi Water Leak Detector & Freeze Alarm, Alexa Device, Smart Leak Detector for Homes with App Alerts,White

$15.67

Retailer Steal

Kidde Smoke and Carbon Monoxide Detector, 10-Year Battery Powered, LED Status Lights, 85 dB Alarm, 5-inches, 30CUD10, 1 Pack

$32.98

Most Compared

YoLink Smart Power Fail Alarm, AC Power Outage Alert, LoRa Long-Range Wireless, Remote Monitoring, App Alerts, Text/SMS, Email Alerts, YoLink Hub Required!

$29.59

All Smart Alarms (101)

Save $19-55%

Kidde

Kidde WiFi Water Leak Detector & Freeze Alarm, Alexa Device, Smart Leak Detector for Homes with App Alerts,White

$15.67

$34.97

at eBay

YoLink

YoLink Smart Power Fail Alarm, AC Power Outage Alert, LoRa Long-Range Wireless, Remote Monitoring, App Alerts, Text/SMS, Email Alerts, YoLink Hub Required!

See price on Amazon →

Save $15-27%

Kidde

Kidde Hardwired Kidde App Enabled Smart Smoke Detector with AA Backup Battery, Interconnected Alarm

$39.95

$54.97

at eBay

Moen

Moen Flo Smart Water Leak Detector, Drip or Flood Sensor Alarm for Home, 1-Pack, White, 920-004

$50.00

$54.87

at Amazon

YoLink

YoLink Smart Home Starter Kit: Hub & Water Leak Sensor 4 with 105dB Audio Alarm 3-Pack, SMS/Text, Email & Push Notifications, Freeze Warning, LoRa Up to 1/4 Mile Open-Air Range, w/Alexa, IFTTT

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Star Wars Kids Smartwatch with OBI-Wan Kenobi Design, 10 Clock Faces, Selfie Camera, Voice and Video Recorder, Step Counter, Calculator, Alarm, Fun Games, and 3 Wallpapers – Fits Wrists 5.5"-8.0"

Save $6-20%

Accutime

Star Wars Kids Smartwatch with OBI-Wan Kenobi Design, 10 Clock Faces, Selfie Camera, Voice and Video Recorder, Step Counter, Calculator, Alarm, Fun Games, and 3 Wallpapers – Fits Wrists 5.5"-8.0"

$23.99

$29.99

at Amazon

Save $7

Kidde

Kidde Smart Carbon Monoxide Detector & Indoor Air Quality Monitor, Plug-in with AA Battery Backup, Real-Time Notifications, 2.4 GHz Wi-Fi Enabled, Rotating Plug, 85 dB Alarm, 5th Edition, COPDLQW

$72.72

$79.97

at Amazon

Smart Pool Alarm with App Connectivity – Real-Time Phone Alerts, Adjustable Sensitivity, Remote Control for Inground & Above Ground Pools, Safety Alerts for Kids, Pets & Accidental Entry (Red)

Save $40-15%

Hovara

Smart Pool Alarm with App Connectivity – Real-Time Phone Alerts, Adjustable Sensitivity, Remote Control for Inground & Above Ground Pools, Safety Alerts for Kids, Pets & Accidental Entry (Red)

$219.99

$259.99

at Amazon

Smart Caregiver Corporation

Smart Caregiver Pager System with 2 Call Buttons for Elderly Assistance, Fall Prevention, and Nurse Calling | Wearable Wireless Pager for Patient Help at Home | USA-Based Company and Customer Support

$18.99

at eBay

Accutime

Accutime Marvel Spider-Man Red Educational Touchscreen Smart Watch Toy for Boys, Girls, Toddlers - Selfie Cam, Learning Games, Alarm, Calculator, Pedometer, and More (Model: SPD4588AZ)

$29.19

at eBay

Kidde

Kidde Smoke and Carbon Monoxide Detector, 10-Year Battery Powered, LED Status Lights, 85 dB Alarm, 5-inches, 30CUD10, 1 Pack

$32.98

at eBay

Accutime

Accutime Kids SEGA Sonic The Hedgehog Blue Educational Touchscreen Smart Watch Toy for Boys, Girls, Toddlers - Selfie Cam, Learning Games, Alarm, Calculator, Pedometer (Model: SNC4133AZ)

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Smart Caregiver Corporation

Smart Caregiver Wireless Bed Pad Alarm System with Weight Sensor Pad for Fall Prevention | 10" x 30" Alarm Pad for Bed Alerts Medical Caregiver | Cordless Bed Alarm with Up to 300' Range

$70.40

at eBay

Moen

Moen White Flo Smart Water Leak Detector, Water Sensor Alarm for Home, 3-Pack, 920-005

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GoveeLife

GoveeLife Refrigerator Freezer Thermometer 1 Pack, Bluetooth Temperature Sensor with Alarm, Smart APP Alerts for Fridge/Freezer/Tub(WiFi Gateway Not Included)

$15.99

at Amazon

Timever

Timever Kids Digital Watches for Girls Boys, Sports Watch with Fitness Tracker, Pedometer, Alarm Clocks, Stopwatch, No App Needed & Waterproof Kids Watch, Gift for Teens Girls Boys Ages 5-14

$21.99

at Amazon

Daviky

Daviky Automatic Pill Dispenser, Smart Pill Organizer with Alarm, Pill Box 7 Day with APP, Weekly Travel Pill Case, Portable Pill Reminder for Medicines, Supplements and Vitamins (Pink)

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Cosjoype

Cosjoype Kids Game Smart Watch for Kids with 39 Puzzle Games HD Touch Screen Camera Music Player Pedometer Alarm Clock Calculator Flashlight 12/24hr Kid Watch Gift for 4-12 Year Old Boys Toys for Kid

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Daviky

Daviky Smart Pill Organizer with Alarm, Bluetooth Daily Once a Day Pill Box 7 Day with APP, Weekly Travel Pill Case, Portable Pill Reminder for Medicines, Supplements and Vitamins(Purple)

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Melontti

Melontti Smart Watch for Kids with 39 Games,Camera,Video,Music Player,Recorder,Alarm,Pedometer,Flashlight,Stopwatch,HD Touch Screen,Borthday Gift Toy for Girls Ages 3-12(Purple)

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IOWODO

IOWODO Smart Watch for Kids No APP/Phone Needed, 1.75" Fitness Tracker Watch Pedometer with Video Music/Alarm Clock/Flashlight/IP68 Waterproof/Step Counter/Puzzle Games for Girls Boys Teens 4-12Pink

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PLOJOP

PLOJOP Power Failure Alarm with WiFi App Notifications, 110dB Power Outage Alert with LED Indicator for Freezer, GFCI Outlet, Sump Pump, and Greenhouse

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X-Sense

X-Sense Smart Water Leak Detector, Wi-Fi Water Sensor, an Accessory for SWS54 Water Sensor Kit, Single Pack, Model SWS51, 3-Pack

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Satisure

WiFi Door Sensor Chime, Smart Door Open Alert Window Sensor for Business/Home/Kids Safety, Real-Time App Notification, 500ft Range, 32 Melodies, 5 Volume Levels, Window Contact Sensor Alarm Kit

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Satisure

Power Failure Alarm WiFi, Newest Smart Power Outage Alarm with App Remote Cancel Device Alert & Custom Alert Time, 2 Sockets Home Power Loss Alarm for Freezer, GFCI Trips, Sump Pump, Pet Feeder

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Cosjoype

Cosjoype Kids Smart Watches Girls Boys HD Touchscreen Kids Watch with 24 Puzzle Games Camera Music Player Flashlight Alarm Clock Calculator 12/24hr Girls Watch Gift for 4-12 Year Old Boys

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REACHER

REACHER R7APP Smart Sunrise Alarm Clock with App Control, Custom Wake & Sleep Routines - Multi Sunrise Color, White Noise Sound Machine, Dimmable Display | Night Light, Screen-Free Sleep

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HEDNIC

HEDNIC Smart Clock Camera,5G&2.4G WiFi Security Camera Indoor,2K Cameras for Home Security,3 in 1 Nanny Cam with Alarm,Color Night Vision Human Motion Detection,Local SD Recording

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First Alert

New 2025 First Alert SMCO410 Z-Wave Battery-Powered Smoke Detector & Carbon Monoxide Alarm, Works with Ring Alarm Base Station, Single Pack, White

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Wiley

Alarm Management: A Comprehensive Guide (International Society of Automation)

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Independently published

Smoke & CO Detector Test Log: Monthly Smoke Alarm, CO Detector & Safety System Testing Record for Rental Properties

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PHOVOLT

PHOVOLT Smart Siren Alarm, 100dB Wireless Motion Sensor, 32 Alarm Sounds, App & Alexa Compatible (WiFi Version)

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Hewitto

Smart Watch for Kids, Kids Watch with 18 Puzzle Games, 1.83" HD Touch Screen Fitness Tracker Pedometer Sleep Tracker Alarm Clock Flashlight No APP/Phone, 12/24 hr Gift for Kid Christmas Birthday

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RITHEM

RITHEM Vibrating Alarm Clock Watch for Heavy Sleepers, Silent Wake Up Bracelet & Smart Wristband, Wearable Vibration Wrist Alarm, Non-Audible Sleep Wristband for Men & Women(Black)

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NLCCLTQ

NLCCLTQ Bracelets for Men Smart Watch Heavy Sleepers Vibrating Alarm Clock Sleep Apnea Devices Wristband Silent Relojes Despertador Digital Vibration Long Distance Wrist Band Womens with Deaf Teens

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KACLUT

KACLUT Sunrise Alarm Clock with App Control for Heavy Sleepers, Bedroom, Wake Up Light with Sunrise&Sunset Simulation, White Noise Sound Machine with 11 Colors Night Lights, Dual Alarms, FM Radio

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Munnrei

Munnrei 4G Kids Smart Watch Phone - Smart Cell Phone Watch for Boys Girls with Call SOS Games Alarm Camera Music Calculator School Mode Children Touch Watches for Kids Birthday Ages 4-12, Blue

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CHARGEWORX

Chargeworx Kids Digital Watch with Apple Find My Tracker Smart Watch Alternative for Boys & Girls Water-Resistant Sports Watch with Alarm, Stopwatch & Soft Silicone Band great Gift for Kids & Toddlers

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RGFF

RGFF Smart LED Table Lamp,4-in-1 Wireless Charger with Speaker,Night Light, Alarm Clock, and Bluetooth Speaker with App Control for Bedroom and Home Decor (Black)

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tag8

tag8 Dolphin Smart Padlock (Pack 1), TSA-Compliant Suitcase and Luggage Locks with Alarm, Keyless Bluetooth Suitcase Lock and Locker Padlock, Unlock via Phone App, Android and iOS Compatible, Silver

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ecobee Inc

ecobee Smart Security Plus Plan 1 Year Subscription, up to 1 Camera 30-Day Video History, Person Detection, Package Detection, Surveillance and Monitoring, Arm and Disarm, Cancel Anytime

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Accutime

Jurassic World Kids Smart Watch - 10 Watch Faces, 3 Wallpapers, Interactive Games, Alarm, Camera, Voice Recorder, Calculator, Pedometer, Fits 5.5"-8.0" Wrists

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Getfitsoo

Getfitsoo Wonlex 4G Kids Smartwatch with SIM Card, 1.4" GPS Smart Watch for Kids, Boys Girls Phone Watch with Temperature HR BP Monitor, Video Calls, SOS, Camera, Pedometer, Alarm, Music Player(Pink)

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Getfitsoo

Wonlex 4G Kids Smartwatch with SIM Card, GPS Smart Watch for Kids, Health Monitor Phone Watch With Temperature, Video Calls, Camera, Pedometer, Alarm, Music Player for Boys Girls Aged 4-15 (Black)

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ecobee Inc

ecobee Smart Security Advanced Plan 1 Year Subscription, Unlimited Cameras, 30-Day Video History, Person Detection, Package Detection, Arm and Disarm, Cancel Anytime

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KNOG

Knog Scout iOS Twin Pack Smart Tag, Tracker & 85dB Alarm – Rechargeable Luggage Tag Compatible with iOS App & Apple Find My, Digital Contact Info, Remote Chime, Water-Resistant, Blue/Green

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Smart Caregiver Corporation

Smart Caregiver Floor Mat Alarm and Pager System - Includes Wireless Pager That Alerts When Someone Steps on The Durable 24in x 48in Floor Mat Sensor

See price on Amazon →

Loftie

Loftie Alarm Clock with Sound Machine – Smart Alarm Clock with Night Light, White Noise, Bluetooth Speaker, 100+ Sounds Included Free, No Subscription Required, Blackout Mode- Black

See price on Amazon →

Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on the retailer's site at the time of purchase will apply.

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Frequently Asked Questions About Smart Alarms

How many smart alarms does BestPriceScanner track?

We currently track 101 smart alarms with prices ranging from $12 to $220. Popular brands in this category include Kidde, Accutime and Smart Caregiver Corporation. Every product is refreshed regularly across Amazon, Best Buy, Walmart and EcoFlow.

What is the cheapest Smart Alarm right now?

The lowest-priced smart alarm we're tracking starts at $12. Sort by "Price: Low to High" above to see the most affordable options first. Keep in mind that prices change frequently, so what's cheapest today may shift tomorrow.

Are smart alarms cheaper on Amazon or Best Buy?

Neither retailer is consistently cheaper. Amazon often wins on Kidde, Accutime and Smart Caregiver Corporation products, but Best Buy runs exclusive promotions and open-box deals that can beat Amazon's price. Walmart occasionally has the lowest price on popular models. That's why we compare all three in one place so you don't have to check each site separately.

How many smart alarms are on sale right now?

Right now, 22 smart alarms are at a reduced price below their list price. Look for the green "Save" badge on product cards above. You can also sort by "Biggest Discount" to see the largest discounts first.