Best Gas Leak Detector App

0+ iOS apps curated and reviewed

4.7 avg rating

20 free apps

Updated July 2026

With an average user rating of 4.7★, the gas leak detector app category is one of the App Store's strongest. Browse all 0+ apps we track, sorted so the most loved ones surface first.

Compare top Gas Leak Detector App (July 2026)

#	App	Price	Rating	Ads	In-App Purchases	Updated
1	Tracer - Gas Detector	Free	5.0★ (1)	No	No	Sep 2026
2	GP NOVA gas detector	Free	—	No	No	May 2026
3	OTG CO Leak Detector	Free	—	No	No	May 2026
4	Hansen Gas Detector	Free	—	No	No	May 2026
5	Gas Detection	Free	5.0★ (2)	No	No	May 2026
6	LeakBot	Free	4.8★ (2.9K)	No	No	Oct 2026
7	Flo by Moen™	Free	4.0★ (1.9K)	No	No	Sep 2026
8	Philadelphia Gas Works	Free	4.8★ (6.9K)	No	No	Oct 2026

Top Picks for Gas Leak Detector App

#1

Tracer - Gas Detector by ReFleX Wireless Inc.

for various gas leak detection

Editor's Choice

5.0(1 ratings)

Free

Tracer - Gas Detector screenshot 1

Tracer - Gas Detector screenshot 2

Tracer - Gas Detector screenshot 3

Tracer - Gas Detector screenshot 4

This app works with a smartphone-powered USB device to detect various gas leaks like methane and formaldehyde. It provides real-time monitoring and alerts to enhance safety at home or work. Pinpoint emission sources effortlessly for peace of mind.

#2

GP NOVA gas detector by Geopal

Strong Contender

0.0(0 ratings)

Free

GP NOVA gas detector screenshot 1

GP NOVA gas detector screenshot 2

GP NOVA gas detector screenshot 3

GP NOVA gas detector screenshot 4

GP NOVA gas detector screenshot 5

GP NOVA gas detector screenshot 6

#3

OTG CO Leak Detector by Baby Alert International Inc

Indoor Air Safety

Worth Considering

0.0(0 ratings)

Free

OTG CO Leak Detector screenshot 1

OTG CO Leak Detector screenshot 2

OTG CO Leak Detector screenshot 3

OTG CO Leak Detector screenshot 4

OTG CO Leak Detector screenshot 5

More Gas Leak Detector App apps to explore

Hansen Gas Detector

Hansen Gas Detector

Hansen Gas Detector

by MSA - The Safety Company

by Draegerwerk AG & Co. KGaA

Explore gas and vapor measurement technology with this app. It details Dräger-Tube, Dräger Sensor, and Dräger Chip systems, offering comprehensive listings of tubes and chips with measurement parameters. Learn about portable monitors and access support resources like compatibility charts and how-to videos.

Gas and vapor measurement technology overviewDräger-Tube, Sensor, and Chip system detailsComplete listing of Dräger-Tubes and chips

This app connects to a smart water leak alarm to monitor your home's plumbing. It detects leaks early to prevent damage and costly repairs, providing real-time alerts and diagnostic information.

Smart water leak alarm integrationEarly leak detectionWater damage prevention

Water Damage & Leak Protection

This app guides users through migrating their Flo by Moen devices to a new platform before the current app is deactivated. It provides a step-by-step process to ensure a smooth transition for water damage and leak protection devices.

Guided device migrationStep-by-step instructionsWater damage protection device transfer

Philadelphia Gas Works

Philadelphia Gas Works

Philadelphia Gas Works

Manage Your PGW My Account

Manage your natural gas account with ease. This app offers a user-friendly interface to pay bills, monitor usage, receive important notifications, and enroll in efficiency programs. Take control of your account from a single, convenient place.

Easy navigationSecure bill paymentMonitor gas usage

Display SCD-41 CO2 readings.

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

by Smart Energy Systems LLC

Manage your natural gas account conveniently from your mobile device. View bills, track usage, make payments, and enroll in helpful programs like AutoPay and Budget Plan. Access your account anytime, anywhere.

Pay bills and view payment historyStart, stop, or move natural gas serviceEnroll in billing and payment programs

My Washington Gas

My Washington Gas

My Washington Gas

Secured account management

Manage your utility account conveniently from your mobile device. Pay bills, track energy usage, start or stop service, and enroll in payment plans. Enjoy secure access to your billing history and payment options on the go.

Pay billsTrack energy consumptionStart or stop service

One app for easy journeys.

This app helps you find nearby fuel stations, check real-time fuel prices, and access exclusive deals. It also offers features like car wash subscriptions and fuel discounts for easier and more rewarding journeys.

Check real-time fuel pricesFind nearest stations with filtersAccess app-only deals

🛍️ Shopping

free with in-app purchases

First Alert by Resideo

First Alert by Resideo

First Alert by Resideo

by Resideo Technologies, Inc.

Monitor and manage your smart home devices for comfort, safety, and water leak detection. Receive alerts whether you're home or away, and integrate with various smart home partners for comprehensive control.

Whole-home device managementReal-time alerts (home/away)Comfort control (thermostats)

free with in-app purchases

Michigan Gas Utilities (MGU)

Michigan Gas Utilities (MGU)

Michigan Gas Utilities (MGU)

MGU Account, Bill, Pay

Manage your natural gas account with this app. Pay bills, set up automatic payments, and receive custom alerts for due dates and payments. Access your billing history and update account information easily.

Quick bill paymentScheduled paymentsCustom billing alerts

GasBuddy: Find & Pay for Gas

GasBuddy: Find & Pay for Gas

GasBuddy: Find & Pay for Gas

Cheap fuel prices and rewards

Find the cheapest fuel prices in your area and earn rewards for saving money on gas. This app helps you locate stations, compare prices, and redeem points for discounts through various activities like snapping receipts and playing games.

Find cheapest gas pricesReport and view gas pricesEarn rewards points

free with in-app purchases

New Jersey Natural Gas

New Jersey Natural Gas

New Jersey Natural Gas

Manage Your Account on the Go

Manage your natural gas account conveniently from your mobile device. Access features like live chat support, flexible bill payment options, and detailed usage analysis. Stay informed with real-time notifications and track service requests easily.

Live chat supportMultiple bill payment optionsUsage analysis and comparison

This application enables users to configure, maintain, and interact with compatible gas detectors. It simplifies compliance with safety standards by providing an intuitive interface for setting alarms, managing maintenance, and viewing real-time measurements.

Configure alarm levels and behaviorManage digital and analog outputsAccess test mode for all functions

DINOPAY - Sinclair Oil

DINOPAY - Sinclair Oil

DINOPAY - Sinclair Oil

by P97 Networks, Inc.

Find Sinclair gas stations and truck stops, including those with amenities like car washes or air/water. Pay for gas and in-store items directly from your phone at participating locations.

Locate Sinclair gas stations and truck stopsIdentify stations with amenitiesMobile payment for gas

🗺️ Navigation

Delta e-Account

Delta e-Account

Delta e-Account

Manage Gas Account on the go

This app allows Delta Gas customers to manage their gas accounts conveniently from their mobile devices. Users can view consumption history, pay bills, and manage services. It provides insights into usage patterns and offers savings tips.

View consumption and payment historyAccess and pay billsManage payment preferences

Peoples e-Account

Peoples e-Account

Peoples e-Account

by Smart Energy Systems LLC

Manage your natural gas account with this app. View consumption and billing history, pay your bill securely, and manage payment preferences. Offers free bank payments and Apple Pay integration.

View consumption historyView billing historyView bill PDF

FAQ about Gas Leak Detector App

What is the best gas leak detector app for iPhone?

Tracer - Gas Detector tops our gas leak detector app ranking as of July 2026, with a 5.0-star average from 1 App Store ratings, and it's free to download.

Are there free gas leak detector app for iPhone?

Yes — 20 of the top gas leak detector app we rank are free to download, including Tracer - Gas Detector and GP NOVA gas detector.

Does Tracer - Gas Detector have ads or in-app purchases?

Tracer - Gas Detector has no ads and has no in-app purchases, according to its App Store listing as of July 2026.