Comparison

Kidde vs Carrier SmartHome

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Kidde

This app connects to smart home safety devices, providing real-time alerts for smoke, CO, air quality, and water leaks. It offers features like Smart Hush, remote notifications to loved ones, and advanced indoor air quality monitoring through a subscription service.

Highlights
  • Real-time alarm notifications
  • Smart Hush functionality
  • QR code setup for Wi-Fi connection
  • Device replacement notifications
  • Remote notifications to friends/family
  • Advanced Indoor Air Quality (IAQ) monitoring
  • Mold Risk Analysis
Features
Read full description

Step into the future with Kidde Smart Home Safety – where the intelligence of modern homes meets cutting-edge protection. The Kidde app seamlessly integrates with your smart home safety devices, delivering real-time alerts, Smart Hush® functionality, and more, all at your fingertips. Explore the Tech-Savvy Features: - Receive instant alarm notifications for smoke, carbon monoxide, indoor air quality issues, or water leaks. - Effortlessly set up alarms by scanning the QR code on the product, connected to your home Wi-Fi 2.4GHz network. - Easily test your alarm's functionality when you are at home. - Stay informed with notifications for device replacements. - Notify friends and family if hazards are detected when you're away. Unlock Advanced Home Health - Elevate Your IAQ Experience: Introducing Advanced Home Health, an exclusive indoor air quality subscription that seamlessly integrates premium features into your IAQ devices. Immerse yourself in the futuristic experience of our revamped IAQ dashboard, featuring a sleek design and a cutting-edge interface designed for tech-savvy subscribers. Subscription perks include: - Advanced Mold Risk Analysis - Thermal Comfort readings - Weekly air quality reports covering temperature, humidity, TVOC, Mold Risk, and Thermal Comfort. - Enjoy a 10% discount on ShopKidde.com. Discover Smart Devices: - Smoke + Carbon Monoxide Alarm with smart features – Double the detection for enhanced safety. - Smoke + Carbon Monoxide Alarm with Indoor Air Quality Monitor – An industry first, combining smoke and CO detection with IAQ monitoring. - Carbon Monoxide Alarm with Indoor Air Quality Monitor – Easy plug-in operation for reliable detection. - Water Leak + Freeze Detector – Early detection to prevent damage. - RemoteLync Camera (Sunsetting on January 7, 2024) – A cordless, Wi-Fi-enabled security camera capturing clips and providing alerts. Embrace the future of home safety with Kidde Smart Home Protection – where technology meets peace of mind. Terms of Use: https://help.kidde.com/hc/en/6-kidde/faq/589-terms-of-service/?l=en

About

Carrier SmartHome

Control your home's comfort remotely with this app. Adjust temperature, set custom schedules, monitor energy usage, and receive important alerts. It offers a personalized and efficient way to manage your home's climate.

Highlights
  • Remote temperature and humidity control
  • Customizable smart schedules
  • Energy usage monitoring
  • Real-time system alerts
  • Personalized comfort settings
Features
Read full description

Carrier SmartHome is your go-to app for managing and personalizing your home’s comfort experience! With a sleek, intuitive design and enhanced features, Carrier SmartHome makes it easier than ever to control your compatible Carrier system remotely, set customized schedules, monitor energy use, and get real-time alerts to ensure your home is always just the way you like it. Key Features: • Remote Control: Adjust temperature, humidity, and settings from anywhere. • Smart Schedules: Create custom schedules to match your routine and save on energy costs. • Energy Insights: Track usage trends to optimize efficiency. • Real-Time Alerts: Receive notifications if anything needs attention, from filter changes to unexpected system performance. With Carrier SmartHome, we’re redefining what home comfort means. Download now and enjoy complete control at your fingertips! This app is compatible with iPhone iOS 15.1 or later.

Screenshots

Kidde4 screens
Carrier SmartHome4 screens

Verdict

The call

The clearest difference is rating: Kidde at 4.7 against Carrier SmartHome's 3.6. Kidde also leads on review sentiment (45% vs 11%). Carrier SmartHome's advantage is in-app purchases (none vs 2) and update cadence (fortnightly vs every 2 months). On price, ratings volume, ads and monetization model there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Kidde sells 2 in-app purchases, starting at $1.99 per month. Carrier SmartHome asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Kidde holds the better App Store score, 4.7 against 3.6. Both are backed by a comparable volume of ratings — 6.7K and 2.5K respectively. Written reviews point the same way: 45% of Kidde's written reviews are positive against 11% of Carrier SmartHome's.

UpkeepUpdate frequency

Kidde ships an update every 2 months, Carrier SmartHome fortnightly. The most recent releases landed on September 23, 2026 and September 24, 2026 respectively.

Scorecard4 real differences · 6 level
Kidde versus Carrier SmartHome: the parameters behind the verdict, then further details
ParameterKiddeCarrier SmartHome
PriceFreeFree
Rating4.7 (6.7K ratings) — better3.6 (2.5K ratings)
Positive reviews45.0% of reviews — better11.3% of reviews
Number of ratings6.7K — better2.5K
Update frequencyEvery 2 monthsFortnightly — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFreemiumFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS14.0 — better15.1
Further details — not scored
Size88 MB191 MB
Age rating4+4+
DeveloperWalter Kidde Portable EquipmentCarrier Corporation

Customer experience

Kidde

All ratings6,671 ratings
Positive95.1%
Neutral1.7%
Negative3.1%
Written reviews211 reviews
Positive45.0%
Neutral8.5%
Negative46.4%

Carrier SmartHome

All ratings2,489 ratings
Positive61.2%
Neutral4.7%
Negative34.1%
Written reviews679 reviews
Positive11.3%
Neutral11.5%
Negative77.2%

User reviews

Kidde

From 6.7K App Store ratings

What we love

  • 🚀 Easy setup
  • 👍 Helpful app features
  • 🔒 Provides peace of mind
  • 💡 Useful air quality monitoring
  • 👍 Good customer support

Room to improve

  • 🐛 Frequent false alarms
  • 🐛 Connectivity issues
  • 🐛 Buggy app and firmware
  • 👎 Paywalled features
  • 👎 Poor user experience

Carrier SmartHome

From 2.5K App Store ratings

What we love

  • 🚀 Significant improvement
  • 👍 Intuitive and easy to use
  • 👍 Sleek, modern feel
  • 👍 Refreshed look and improved experience
  • 👍 Good screens

Room to improve

  • 🐛 App freezes and requires force quit
  • 🐛 Doesn't show correct operating status
  • 🐛 Doesn't update outside temperature
  • 🐛 Fails to register temperature changes
  • 🐛 Unreliable connection and sync issues

Bugs and requests

Kidde

Reported bugs

5 issues
  • App unable to connect to devices
  • Firmware updates failing
  • Devices going offline randomly
  • Notifications not working as expected
  • Inconsistent device naming in app

Requested features

5 requests
  • Add HomeKit support
  • Improve historical data tracking
  • Provide more detailed temperature/air quality data
  • Allow remote alarm silencing
  • Enhance app stability and usability

Carrier SmartHome

Reported bugs

6 issues
  • App freezes and becomes unresponsive
  • Operating status not in sync with wall controller
  • Notifications don't work or are delayed
  • AQI data is inaccurate for user's location
  • Temperature changes not reflected in app
Show 1 more
  • Compatibility issues with iOS 18.3.1 update

Requested features

5 requests
  • Show system operating status (heating, cooling)
  • Display energy consumption details
  • Add more temperature schedule options
  • Integrate with Apple HomeKit
  • Show outside temperature measured by the system

In-app purchases

2 purchases

Kidde

Subscriptions2
  • Advanced Home Health - Monthly1 Month trial$1.991 Month
  • Advanced Home Health - Annual1 Month trial$19.991 Year
None

Carrier SmartHome

No in-app purchases

Questions

Is Kidde free?
Kidde is free to download, with in-app purchases available.
Is Carrier SmartHome free?
Carrier SmartHome is free to download, with no in-app purchases.
Which has better reviews, Kidde or Carrier SmartHome?
Kidde is rated higher. Kidde averages 4.7 out of 5 from 6.7K ratings, while Carrier SmartHome averages 3.6 from 2.5K ratings.
Do Kidde or Carrier SmartHome have ads?
Neither Kidde nor Carrier SmartHome shows ads.
Which is updated more often, Kidde or Carrier SmartHome?
Kidde ships an update every 2 months, and Carrier SmartHome fortnightly. Most recently, Kidde was updated on September 23, 2026 and Carrier SmartHome on September 24, 2026.

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