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Best Sensor Alerts Apps

213+ iOS apps curated and reviewed

3.9 avg rating
20 free apps
Updated June 2026

With an average user rating of 3.9★, the sensor alerts category is one of the App Store's strongest. Browse all 213+ apps we track, sorted so the most loved ones surface first.

Top Picks for Sensor Alerts

La Crosse View#1

La Crosse View by La Crosse Technology, Ltd

Editor's Choice
☀️ Weather
4.1😐(80K ratings)
FreeAdsIn-App Purchases
#80in Weather
La Crosse View screenshot 1
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Monitor your home and outdoor environment with real-time data and custom alerts. Track temperature, humidity, water leaks, and more from your Wi-Fi weather stations and monitoring systems. Get personalized notifications and view historical data trends directly on your mobile device.

What We Love

  • 👍 Great app with user-friendly interface
  • 🚀 Easy to set up and connect to WiFi
  • 💡 Useful features like alerts and historical data
  • ⭐ Accurate weather readings and forecasts

Room to Improve

  • 🐛 Frequent WiFi connectivity issues
  • 🔍 Limited data history and graphing capabilities
  • 🔧 Difficult to configure and troubleshoot
Paku - Air Quality & AQI Map#2

Paku - Air Quality & AQI Map by Pitou Technologies, LLC

PurpleAir Sensors & Alerts
Strong Contender
☀️ Weather
4.7😊(9.5K ratings)
FreeIn-App Purchases
#83in Weather
Paku - Air Quality & AQI Map screenshot 1
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Monitor real-time air quality and receive instant alerts for AQI, temperature, and humidity. Track data from PurpleAir sensors and optionally AirNow stations. Customize widgets for home screen, lock screen, and Apple Watch for convenient access.

What We Love

  • 👍 Good app for tracking air quality
  • 🚀 Accurate and precise data
  • 🔍 Helpful for planning outdoor activities
  • 💡 Useful for monitoring smoke and wildfire conditions

Room to Improve

  • 🐛 Occasional inaccuracies in AQI readings
  • 🔍 Limited sensor coverage in some areas
  • 🔒 Concerns about privacy and data usage
Everbridge#3

Everbridge by Everbridge, Inc.

For Everbridge & Nixle Alerts
Worth Considering
🌟 Lifestyle
2.0😞(1.3K ratings)
Free
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Receive critical alerts and important community updates directly on your mobile device from public safety agencies and your employer or university. Stay informed about emergencies, crime advisories, and organizational announcements.

What We Love

  • 🚀 Helpful information
  • 👍 Able to connect with work and home
  • 🚀 Great idea

Room to Improve

  • 🐛 App crashes frequently
  • 🐛 Unreliable notifications
  • 🐛 Difficult to navigate

More Sensor Alerts apps to explore

4
Burglar Alarm... FREE!
Burglar Alarm... FREE!
Burglar Alarm... FREE!
by Indigo Penguin Limited
Free

This app acts as a personal security device for your phone. It triggers an alarm when motion is detected, alerting you if someone attempts to touch or move your device. Simply set a PIN, arm the phone, and leave the room to catch intruders.

Set personal PINArm phone alarmMotion sensor detection
🎬 Entertainment
(78K)
free
5
La Crosse Alerts Mobile
La Crosse Alerts Mobile
La Crosse Alerts Mobile
by La Crosse Technology, Ltd
Free

Remotely monitor temperature, humidity, and wetness/dryness in specific locations using sensors. Receive customizable email or text alerts when predefined thresholds are detected. Personalize your monitoring experience with location names and images.

Remote sensor monitoringCustomizable email/text alertsTemperature, humidity, wetness/dryness detection
📊 Productivity
(364)
ad-supported
6
Necto Sensor
Necto Sensor
Necto Sensor
Remotely Monitor Any Location
Free

This app allows real-time remote monitoring of temperature, humidity, and power status using a cellular-connected sensor. It sends customizable alerts for critical environmental changes, providing peace of mind for property conditions.

Real-time temperature monitoringReal-time humidity monitoringPower status monitoring
🔧 Utilities
(6)
free
7
Temp Stick
Temp Stick
Temp Stick
by IdealSciences
Free

Access all features of your sensor remotely. View real-time readings and historical data from your mobile device. Customize alert rules and message settings for notifications.

View sensor readingsAccess historical dataManage alert rules
🔧 Utilities
(89)
free
8
Kepler Alerts
Kepler Alerts
Kepler Alerts
Real time safety alerts.
Free

This app provides real-time and predictive monitoring of global conditions using data analytics. Make informed decisions and keep staff aware of potential hazards, whether you are on the road or in a remote location.

Predictive condition monitoringReal-time global data analyticsHazardous condition alerts
📊 Productivity
(15)
free
9
Genasys Protect
Genasys Protect
Genasys Protect
Stay safe in an emergency
Free

Receive unified emergency alerts from multiple mass notification systems in one place. Get instant, geo-located notifications from local authorities and manage safety for multiple locations.

Unified alerts from multiple systemsInstant geo-located notificationsMulti-location safety management
🔧 Utilities
(81)
free
10
Guardian Protection
Guardian Protection
Guardian Protection
by GUARDIAN PROTECTION SERVICES, INC.
Free

Manage your home or business security, video feeds, and smart devices remotely. Control your alarm system, view live camera footage, adjust thermostats, and manage door locks and garage doors for enhanced safety and convenience.

24/7 interactive security monitoringLive and recorded video monitoringEnergy management and home automation
🌟 Lifestyle
(13K)
subscription
11
RAVEN Alerts
RAVEN Alerts
RAVEN Alerts
Real Time Incident Alerts
Free

Get real-time updates on emergency incidents in the Western New York area. This app allows subscribers to stay informed and helps volunteer dispatchers report incidents efficiently.

Real-time incident alertsWestern New York coverageIncident reporting for dispatchers
🔧 Utilities
(11)
free
12
Stock Alert - Realtime Alarms
Stock Alert - Realtime Alarms
Stock Alert - Realtime Alarms
Smart price alerts for stocks
Free

Receive instant notifications for stock price movements with automated or custom alerts. Track over 120,000 assets across various markets, including stocks, crypto, and forex, with real-time quotes and widgets. Stop worrying about market changes and take action when needed.

Real-time asset trackingAutomated intelligent alarmsCustomizable price target alerts
💰 Finance
(921)
freemium
13
Smart911
Smart911
Smart911
by Rave Wireless, Inc.
Free

Enhance emergency preparedness by creating a Safety Profile to share vital household information with 9-1-1. Receive targeted emergency alerts for weather, traffic, and public safety events.

Create Safety ProfilesShare household information with 9-1-1Receive emergency alerts
🌟 Lifestyle
(6.2K)
free
14
Central Alert Repository
Central Alert Repository
Central Alert Repository
Nationwide EAS alerts
Free

Access a real-time archive of nationwide emergency alerts, including severe weather warnings and official emergency messages. Stay informed about local threats and national crises with instant updates and a searchable history.

Real-time emergency alert archiveNationwide alert accessSevere weather warnings
☀️ Weather
(50)
free
15
SensorPush
SensorPush
SensorPush
by Cousins & Sears, LLC
Free

Monitor environmental conditions affecting your valuables with smart sensors. View current and historical data, set custom alerts for optimal ranges, and receive notifications for problematic conditions. Export data for analysis.

Real-time environmental monitoringHistorical data viewingCustomizable alerts
🌟 Lifestyle
(180)
free with in-app purchases
16
CO2 sensor
CO2 sensor
CO2 sensor
Display SCD-41 CO2 readings.
Free

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.

Real-time CO2, temperature, and humidity readingsBluetooth sensor integrationSave readings with location
🔧 Utilities
(3)
free
17
SafeSense Pro
SafeSense Pro
SafeSense Pro
Connect to SafeSense Sensors
Free

Access and manage your SafeSense sensors from your mobile device. View real-time readings, historical data, and customize alert triggers. Easily export and share logs for collaboration.

View sensor readingsAccess historical dataExport and share logs
💼 Business
(2)
free
18
Pulseway
Pulseway
Pulseway
Making IT Heroes
Free

Securely monitor and manage your IT systems from any mobile device. Get real-time status updates, receive instant alerts for issues, and resolve problems remotely. Supports Windows, Linux, and Mac, offering comprehensive control over your infrastructure.

Remote system monitoringReal-time status alertsSystem management and control
📊 Productivity
(615)
freemium
19
Service First: Flag Alerts
Service First: Flag Alerts
Service First: Flag Alerts
by Service First Flagpole
Free

Receive timely alerts for federal and state half-staff observances, and get weather-based notifications for high winds or storms. This app assists homeowners, businesses, schools, and organizations in maintaining flag etiquette and safety with personalized updates.

Half-staff alerts by state and nationWeather-based flag lowering notificationsCalendar of upcoming observances
🔧 Utilities
(16)
ad-supported
20
BooAlert
BooAlert
BooAlert
by booalert llc
Free

Explore your surroundings using your device's compass to detect magnetic fields. Enhance your experience with night vision and EVP features. Includes a flashlight for dark environments.

EMF, NVG, & EVP detectionNVG mode with screenshot captureEVP recording, playback, and sharing
🎬 Entertainment
(15)
free with in-app purchases