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The Best Smart Detectors & Sensor Products

Top 5 Reviews & Rankings

March 2021

The Best Smart Detectors & Sensor Products of 2021

Compare the best smoke & carbon monoxide detector products based on 50 data points. We've summarized our best smoke & carbon monoxide detector products review here as well as in the detailed, sortable grid below.

Our top smart detectors & sensor products picks:

#1: Nest Protect – Strengths: Good battery performance, Good ease-of-set-up, Good long lifespan, Good notifications support

#2: Roost Smart Smoke Alarm – Strengths: Good notifications support – Product features: Has compatible mobile app, Supports co detection, Has Android compatibility, Supports iOS compatibility

#3: Kidde Smoke & CO Detector – Strengths: Good ease-of-set-up, Good long lifespan – Product features: Has compatible mobile app, Supports co detection

How to use this grid: The comparison grid below displays a ranked list of the top smart fire alarm brands with criteria such as price point, brand popularity, and product features. By default, the grid is sorted by each smart detectors & sensor products brand's Overall Score. Use the sort filters to sort the grid by individual features and criteria.

You are currently viewing smart fire alarms products. You can also look for brands in this category.

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amazon.com

Nest Protect has an overall score of 5.0 out of 5 stars.

5.0/5

12 ratings

Nest Protect has a brand popularity rating of 5 out of 5 stars.

View site

Nest Protect has a rating of 5.0 out of 5 stars when it comes to battery life. Click for more details.

Nest Protect has a rating of 5.0 out of 5 stars when it comes to ease-of-installation. Click for more details.

Nest Protect does support mobile app. Click for more details.

Nest Protect does offer carbon monoxide detection. Click for more details.

Nest Protect has a rating of 5.0 out of 5 stars when it comes to long lifespan. Click for more details.

Nest Protect has a rating of 5.0 out of 5 stars when it comes to push notifications support. Click for more details.

Nest Protect does offer Android compatibility. Click for more details.

Roost Smart Smoke Alarm

getroost.com

Roost Smart Smoke Alarm has an overall score of 4.9 out of 5 stars.

4.9/5

8 ratings

Roost Smart Smoke Alarm has a brand popularity rating of 1 out of 5 stars.

View site

Roost Smart Smoke Alarm has a rating of 0.0 out of 5 stars when it comes to battery life. Click for more details.

Roost Smart Smoke Alarm has a rating of 4.0 out of 5 stars when it comes to ease-of-installation. Click for more details.

Roost Smart Smoke Alarm does support mobile app. Click for more details.

Roost Smart Smoke Alarm does offer carbon monoxide detection. Click for more details.

Roost Smart Smoke Alarm has a rating of 0.0 out of 5 stars when it comes to long lifespan. Click for more details.

Roost Smart Smoke Alarm has a rating of 5.0 out of 5 stars when it comes to push notifications support. Click for more details.

Roost Smart Smoke Alarm does offer Android compatibility. Click for more details.

Kidde Smoke & CO Detector

kidde.com

Kidde Smoke & CO Detector has an overall score of 4.8 out of 5 stars.

4.8/5

9 ratings

Kidde Smoke & CO Detector has a brand popularity rating of 1 out of 5 stars.

View site

Kidde Smoke & CO Detector has a rating of 0.0 out of 5 stars when it comes to battery life. Click for more details.

Kidde Smoke & CO Detector has a rating of 5.0 out of 5 stars when it comes to ease-of-installation. Click for more details.

Kidde Smoke & CO Detector does support mobile app. Click for more details.

Kidde Smoke & CO Detector does offer carbon monoxide detection. Click for more details.

Kidde Smoke & CO Detector has a rating of 5.0 out of 5 stars when it comes to long lifespan. Click for more details.

Kidde Smoke & CO Detector has a rating of 4.0 out of 5 stars when it comes to push notifications support. Click for more details.

Kidde Smoke & CO Detector does not offer Android compatibility. Click for more details.

Leeo Smart Alert

amazon.com

Leeo Smart Alert has an overall score of 4.3 out of 5 stars.

4.3/5

7 ratings

Leeo Smart Alert has a brand popularity rating of 1 out of 5 stars.

View site

Leeo Smart Alert has a rating of 0.0 out of 5 stars when it comes to battery life. Click for more details.

Leeo Smart Alert has a rating of 2.0 out of 5 stars when it comes to ease-of-installation. Click for more details.

Leeo Smart Alert does support mobile app. Click for more details.

Leeo Smart Alert does offer carbon monoxide detection. Click for more details.

Leeo Smart Alert has a rating of 0.0 out of 5 stars when it comes to long lifespan. Click for more details.

Leeo Smart Alert has a rating of 4.0 out of 5 stars when it comes to push notifications support. Click for more details.

Leeo Smart Alert does offer Android compatibility. Click for more details.

firstalert.com

First Alert has an overall score of 4.0 out of 5 stars.

4.0/5

10 ratings

First Alert has a brand popularity rating of 5 out of 5 stars.

View site

First Alert has a rating of 4.0 out of 5 stars when it comes to battery life. Click for more details.

First Alert has a rating of 3.0 out of 5 stars when it comes to ease-of-installation. Click for more details.

First Alert does not support mobile app. Click for more details.

First Alert does offer carbon monoxide detection. Click for more details.

First Alert has a rating of 5.0 out of 5 stars when it comes to long lifespan. Click for more details.

First Alert has a rating of 4.0 out of 5 stars when it comes to push notifications support. Click for more details.

First Alert does not offer Android compatibility. Click for more details.

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amazon.com

Nest Protect has an overall score of 5.0 out of 5 stars.

5.0/5

12 ratings

Nest Protect has a brand popularity rating of 5 out of 5 stars.

View site

Nest Protect has a rating of 5.0 out of 5 stars when it comes to battery life. Click for more details.

Nest Protect has a rating of 5.0 out of 5 stars when it comes to ease-of-installation. Click for more details.

Nest Protect does support mobile app. Click for more details.

Roost Smart Smoke Alarm

getroost.com

Roost Smart Smoke Alarm has an overall score of 4.9 out of 5 stars.

4.9/5

8 ratings

Roost Smart Smoke Alarm has a brand popularity rating of 1 out of 5 stars.

View site

Roost Smart Smoke Alarm has a rating of 0.0 out of 5 stars when it comes to battery life. Click for more details.

Roost Smart Smoke Alarm has a rating of 4.0 out of 5 stars when it comes to ease-of-installation. Click for more details.

Roost Smart Smoke Alarm does support mobile app. Click for more details.

Kidde Smoke & CO Detector

kidde.com

Kidde Smoke & CO Detector has an overall score of 4.8 out of 5 stars.

4.8/5

9 ratings

Kidde Smoke & CO Detector has a brand popularity rating of 1 out of 5 stars.

View site

Kidde Smoke & CO Detector has a rating of 0.0 out of 5 stars when it comes to battery life. Click for more details.

Kidde Smoke & CO Detector has a rating of 5.0 out of 5 stars when it comes to ease-of-installation. Click for more details.

Kidde Smoke & CO Detector does support mobile app. Click for more details.

Leeo Smart Alert

amazon.com

Leeo Smart Alert has an overall score of 4.3 out of 5 stars.

4.3/5

7 ratings

Leeo Smart Alert has a brand popularity rating of 1 out of 5 stars.

View site

Leeo Smart Alert has a rating of 0.0 out of 5 stars when it comes to battery life. Click for more details.

Leeo Smart Alert has a rating of 2.0 out of 5 stars when it comes to ease-of-installation. Click for more details.

Leeo Smart Alert does support mobile app. Click for more details.

firstalert.com

First Alert has an overall score of 4.0 out of 5 stars.

4.0/5

10 ratings

First Alert has a brand popularity rating of 5 out of 5 stars.

View site

First Alert has a rating of 4.0 out of 5 stars when it comes to battery life. Click for more details.

First Alert has a rating of 3.0 out of 5 stars when it comes to ease-of-installation. Click for more details.

First Alert does not support mobile app. Click for more details.

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amazon.com

Nest Protect has an overall score of 5.0 out of 5 stars.

5.0/5

12 ratings

Nest Protect has a brand popularity rating of 5 out of 5 stars.

View site

Nest Protect has a rating of 5.0 out of 5 stars when it comes to battery life. Click for more details.

Roost Smart Smoke Alarm

getroost.com

Roost Smart Smoke Alarm has an overall score of 4.9 out of 5 stars.

4.9/5

8 ratings

Roost Smart Smoke Alarm has a brand popularity rating of 1 out of 5 stars.

View site

Roost Smart Smoke Alarm has a rating of 0.0 out of 5 stars when it comes to battery life. Click for more details.

Kidde Smoke & CO Detector

kidde.com

Kidde Smoke & CO Detector has an overall score of 4.8 out of 5 stars.

4.8/5

9 ratings

Kidde Smoke & CO Detector has a brand popularity rating of 1 out of 5 stars.

View site

Kidde Smoke & CO Detector has a rating of 0.0 out of 5 stars when it comes to battery life. Click for more details.

Leeo Smart Alert

amazon.com

Leeo Smart Alert has an overall score of 4.3 out of 5 stars.

4.3/5

7 ratings

Leeo Smart Alert has a brand popularity rating of 1 out of 5 stars.

View site

Leeo Smart Alert has a rating of 0.0 out of 5 stars when it comes to battery life. Click for more details.

firstalert.com

First Alert has an overall score of 4.0 out of 5 stars.

4.0/5

10 ratings

First Alert has a brand popularity rating of 5 out of 5 stars.

View site

First Alert has a rating of 4.0 out of 5 stars when it comes to battery life. Click for more details.