In 2025, technology continues to evolve, and smart home devices are becoming an essential part of every household. Among these devices, smart smoke detectors have become increasingly popular due to their convenience, reliability, and enhanced safety features. With smart smoke detectors, you no longer have to rely solely on loud alarms to alert you to a fire. Many of these devices now come with app alerts, which can notify you in real-time on your smartphone or other connected devices, ensuring you stay informed even when you’re away from home.
In this 2025 guide, we’ll cover the best smart smoke detectors with app alerts to help you make an informed decision for your home’s safety.
1. Nest Protect Smoke and Carbon Monoxide Detector
Best for: Smart Home Integration
The Nest Protect by Google is a top choice for homeowners who want a reliable, smart smoke and carbon monoxide detector with app alerts. Nest Protect integrates seamlessly with Google Home and offers a range of advanced features, making it a standout option for tech-savvy users.
Features:
- Smartphone Alerts: Receive real-time notifications on your phone when smoke or carbon monoxide is detected.
- Voice Alerts: The device speaks to you with specific warnings, letting you know the type and location of the hazard.
- Split-Spectrum Sensor: This advanced sensor detects both fast-burning and smoldering fires, providing more accurate alerts.
- Self-Testing: The Nest Protect tests itself automatically, notifying you if there are any issues with the device.
- Quiet On/Off: When you disable the alarm (for example, when cooking), it will be quiet for a set period, then automatically reactivate.
- App Control: The device is controlled via the Nest app, allowing you to receive alerts and control the settings remotely.
Pros:
- Integration with other smart home devices
- Voice alerts that specify the issue
- Easy setup and app interface
Cons:
- Higher price point compared to other smoke detectors
2. First Alert Onelink Safe & Sound
Best for: Audio and Smart Home Features
The First Alert Onelink Safe & Sound is another excellent smart smoke and carbon monoxide detector that features both app alerts and high-quality audio. This device also doubles as a premium smart speaker, making it a great option for homeowners who want safety and entertainment in one.
Features:
- Smartphone Alerts: You’ll receive app alerts on your phone for smoke or carbon monoxide detection.
- Built-in Smart Speaker: The Onelink Safe & Sound also includes Alexa, allowing you to control the device with voice commands and enjoy streaming music or smart home integration.
- App Control: You can manage the settings, check the status, and receive alerts remotely via the Onelink app.
- Location-Specific Alerts: Voice notifications tell you exactly where the fire or CO is detected in the house.
- Compatibility: Works with Apple HomeKit, Amazon Alexa, and Google Assistant, making it easy to integrate with your existing smart home ecosystem.
Pros:
- High-quality sound with Alexa integration
- Voice alerts for precise hazard locations
- Premium build and design
Cons:
- Expensive compared to other smart smoke detectors
3. Kidde Smoke & Carbon Monoxide Detector with Wi-Fi
Best for: Budget-Friendly Smart Smoke Detection
Kidde is a trusted name in fire safety, and their Smoke & Carbon Monoxide Detector with Wi-Fi brings smart technology to an affordable price point. This model is perfect for homeowners looking for a reliable smart smoke detector without breaking the bank.
Features:
- Wi-Fi Connectivity: Connects to your home Wi-Fi network, sending real-time alerts directly to your phone.
- Voice Alerts: In addition to traditional alarms, the device offers voice alerts to tell you where smoke or carbon monoxide is detected.
- App Integration: The device syncs with the Kidde app for instant updates and status checks.
- Battery Backup: Even during power outages, the detector will continue to work, ensuring your home stays protected.
- Affordable: Kidde offers a budget-friendly option that doesn’t sacrifice essential features.
Pros:
- More affordable than most smart smoke detectors
- Reliable and easy to use
- Includes both smoke and carbon monoxide detection
Cons:
- Limited integration with other smart home systems
4. Honeywell Wi-Fi Smoke and Heat Detector
Best for: Heat Detection and Reliability
Honeywell’s Wi-Fi Smoke and Heat Detector is designed to alert you not just to smoke, but also to temperature changes that may indicate a fire. It’s a fantastic option for homeowners who want extra protection against fires that may not produce much smoke initially but could still cause significant damage.
Features:
- Wi-Fi Connectivity: Receive app alerts for both smoke and heat detection.
- Heat Detection: In addition to smoke detection, it monitors temperature changes to detect fires before they fully develop.
- Real-Time Alerts: Get immediate alerts on your smartphone, even when you’re away from home.
- Voice Notifications: Hear voice alerts that describe where the fire or heat is detected in the home.
- Integration with Honeywell Home App: Manage the device remotely, check the status, and test the unit via the Honeywell Home app.
Pros:
- Combines smoke and heat detection for added safety
- Reliable and trusted brand
- Easy integration with Honeywell’s ecosystem
Cons:
- May not have as many smart home integrations as other devices
5. Ring Alarm Smoke and CO Listener
Best for: Existing Ring Users
If you already use a Ring security system, the Ring Alarm Smoke and CO Listener is a great addition to your home safety setup. Unlike traditional smoke detectors, the Ring Listener listens for alarms from your existing smoke and CO detectors and sends alerts to your phone.
Features:
- Smartphone Alerts: Sends notifications to your phone when your existing smoke or CO detectors go off.
- Works with Existing Detectors: This device is designed to enhance your existing smoke and CO detectors, making them smart without needing a full replacement.
- Integration with Ring App: Connect the Listener to the Ring app for real-time alerts and monitoring.
- No Need for Replacing Detectors: If you already have a reliable smoke and CO detector, you don’t need to replace it with a smart model.
Pros:
- Works with existing smoke detectors
- Integrates seamlessly with the Ring security system
- Cost-effective if you already own a Ring system
Cons:
- Doesn’t offer direct smoke and CO detection, only listens for alarms
Conclusion
In 2025, smart smoke detectors offer more than just traditional fire alarms. With advanced features like real-time app alerts, voice notifications, integration with other smart home systems, and dual smoke and carbon monoxide detection, these devices provide peace of mind that extends beyond your immediate surroundings. Whether you're looking for a premium option like the Nest Protect or a more budget-friendly solution like the Kidde Smoke & Carbon Monoxide Detector, there’s a smart smoke detector to suit your needs.