0+ iOS apps curated and reviewed
Tracer is the household name in methane detector app, but it's far from the only option. We track 0+ alternatives and competitors on iOS — many free, many higher-rated than you'd expect.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 |  | Free | 5.0★ (1) | Yes | No | Aug 2026 |
| 2 |  | Free | 4.7★ (448K) | Yes | No | Aug 2026 |
| 3 |  | Free | 4.8★ (13K) | No | No | Aug 2026 |
| 4 |  | Free | 4.8★ (25K) | No | No | Aug 2026 |
| 5 |  | Free | 4.5★ (2.4K) | No | Yes | Aug 2026 |
| 6 |  | Free | 4.8★ (109K) | Yes | Yes | Aug 2026 |
| 7 |  | Free | 4.8★ (675K) | No | No | Aug 2026 |
| 8 |  | Free | 3.6★ (136) | No | No | Aug 2026 |
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.
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.
This app offers a gas rewards program to save money on fuel purchases at participating stations. Users can earn discounts by linking bank accounts, credit cards, or grocery rewards. It also provides touch-free payment options and a station locator.
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.
Scan your current network for suspicious devices and identify hidden cameras or bugs using advanced AI and Wi-Fi scanning. Protect your privacy in hotels, public spaces, and more by ensuring your environment is safe.
This app automatically tracks your driving miles using GPS to simplify tax preparation and expense reporting. It helps you categorize drives as business or personal, generate IRS-compliant reports, and maximize your tax deductions and reimbursements.
Earn cash back on everyday purchases like gas, groceries, and dining. Simply claim offers in the app, pay as usual, and get rewards directly to your bank account or as gift cards. Save money on essential spending and enjoy more of what you love.
Save money on fuel and in-store purchases with exclusive discounts and a rewards program. Order food and drinks ahead for quick pickup or delivery. Earn points on every purchase to unlock more savings.
Transform your phone into a car performance and diagnostic tool. Monitor real-time data, track fuel economy, and troubleshoot engine issues. Includes advanced features for track racing and customizable gauges.
This app offers savings on gas, snacks, and drinks. Earn points through purchases and games to redeem for free items or discounts on fuel. Discover nearby locations and compare gas prices.
This app simplifies car ownership by consolidating parking, car washes, mileage tracking, gas cashback, and EV charging into a single platform. It also offers roadside assistance and a high-yield savings wallet for your rewards.
This app offers cash back on groceries, gas, and prescriptions by simply uploading photos of your receipts. Discover new deals weekly on everyday items and popular brands, and earn rewards at participating gas stations. It's an easy way to save money on your regular purchases.
Transform your device into a versatile toolkit with a comprehensive suite of measuring instruments. This app offers a metronome, stopwatch, timer, ruler, level, and various sensors to assist with a wide range of tasks.
This app helps you detect suspicious electronic devices on your network. It scans your environment in real-time to identify connected devices, distinguishing between safe and potentially hidden ones. Protect your privacy in new locations or while traveling.
Locate, organize, and secure your essential items with this comprehensive tracking app. It provides real-time location monitoring, customizable alerts when items are left behind, and easy organization through custom labels and folders.
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.
This application uses your smartphone's magnetic sensor to detect nearby metal objects. It can help you find hidden metallic items, act as a treasure hunting tool, or even assist in ghost hunting by visualizing magnetic field trends. Requires a device with a magnetic sensor to function.
Earn loyalty points and instant savings on fuel and in-store purchases at participating gas stations and convenience stores. Redeem points for rewards, enjoy app-exclusive deals, and manage payments securely. Special offers are available for cardholders.
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.
Access real-time, street-by-street air pollution maps and 72-hour forecasts globally. Get hyper-local data for key pollutants and personalized tips to help you breathe cleaner air and reduce exposure.