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Best Kidde Carbon Monoxide Apps & Games

139+ iOS apps & games curated and reviewed

4.1 avg rating
20 free apps & games
Updated September 2026

With an average user rating of 4.1★, the kidde carbon monoxide category is one of the App Store's strongest. Browse all 139+ apps and games we track, sorted so the most loved ones surface first.

Compare top Kidde Carbon Monoxide Apps & Games (September 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1KiddeKiddeFree4.8★ (6.4K)NoYesSep 2026
2OTG CO Leak DetectorOTG CO Leak DetectorFree—NoNoMay 2026
3CO2 sensorCO2 sensorFree2.7★ (3)NoNoMay 2026
4Manjis Gas - VerifyManjis Gas - VerifyFree—NoNoMay 2026
5Firehawk Data ScanFirehawk Data ScanFree—NoNoMay 2026
6Autore Oil & PropaneAutore Oil & PropaneFree—NoNoMay 2026
7Foreign Footprints TWForeign Footprints TWFree—NoNoSep 2026
8Cape Cod ChippyCape Cod ChippyFree——NoJun 2026

Top Picks for Kidde Carbon Monoxide

Kidde#1

Kidde by Walter Kidde Portable Equipment

Your link to safety.
Editor's Choice
🌟 Lifestyle
4.8😐(6.4K ratings)
FreeIn-App Purchases
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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.

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
CO2 sensor#3

CO2 sensor by Simon Loffler

Display SCD-41 CO2 readings.
Worth Considering
🔧 Utilities
2.7(3 ratings)
Free
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Monitor CO2, temperature, and humidity levels in real-time using a Bluetooth sensor. Save readings with location data and sync them across Apple devices via iCloud. View historical data on a map.

More Kidde Carbon Monoxide apps to explore

FAQ about Kidde Carbon Monoxide

What are the best kidde carbon monoxide apps & games for iPhone?
Kidde tops our kidde carbon monoxide apps & games ranking as of September 2026, with a 4.8-star average from 6.4K App Store ratings, and it's free to download.
Yes — 20 of the top kidde carbon monoxide apps & games we rank are free to download, including Kidde and OTG CO Leak Detector.
Kidde has no ads and offers in-app purchases, according to its App Store listing as of September 2026.
We track 139+ kidde carbon monoxide apps & games on the iOS App Store as of September 2026, ranked by rating, recency, and analysis of real user reviews.
The Kidde app connects to your smart home safety devices, such as smoke and carbon monoxide alarms, and water leak detectors. It provides real-time alerts for various hazards, allows you to test your alarms, and can notify friends and family if you're away.
Key features include instant notifications for smoke, carbon monoxide, indoor air quality, and water leaks. It also offers Smart Hush functionality, easy QR code setup, device replacement alerts, and the ability to notify contacts remotely. An optional subscription unlocks advanced IAQ features like mold risk analysis and detailed air quality reports.