203+ iOS apps curated and reviewed
Air Horn Multi is the household name in smoke detector chirp, but it's far from the only option. We track 203+ alternatives and competitors on iOS โ many free, many higher-rated than you'd expect.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 |  | Free | 4.2โ (4.3K) | Yes | No | Jul 2026 |
| 2 |  | Free | 4.2โ (184) | Yes | No | May 2026 |
| 3 |  | Free | โ | Yes | No | Jul 2026 |
| 4 |  | Free | 4.7โ (6K) | Yes | Yes | Jul 2026 |
| 5 |  | Free | 4.6โ (2.3K) | No | No | Jul 2026 |
| 6 |  | Free | 4.3โ (12) | Yes | No | May 2026 |
| 7 |  | Free | 4.8โ (4.7K) | No | No | Jul 2026 |
| 8 |  | Free | 5.0โ (4) | No | No | May 2026 |
Transform your phone into a powerful noise maker with a variety of loud sounds. Prank friends, scare them, or cheer at events with this fun soundboard. Features continuous play and animation effects.
This app provides a collection of over 60 loud and humorous sound effects designed for pranks and amusement. Explore various categories like alarms, animal noises, human sounds, and emergency sirens to entertain or playfully annoy friends.
This app connects to smart home safety devices, providing real-time alerts for smoke, CO, air quality, and water leaks. It offers features like Smart Hush, remote notifications to loved ones, and advanced indoor air quality monitoring through a subscription service.
Remotely monitor and control your cooking with a Wi-Fi smoker controller or thermometer. View temperature graphs, adjust settings, and receive text alerts for your pit and meat. Share your progress and save cook details for future reference.
This app provides a variety of fun alarm sounds for all ages, including car, fire, and smoke alarms. It's a self-contained novelty app that doesn't require an internet connection and features interactive gravity-based controls.
This smart thermometer offers cloud-connected remote temperature monitoring for various environments. It supports multiple probes for accurate readings and can be accessed from anywhere via the cloud.
This app offers advanced flame detection for your home, alerting you to fires hundreds of times faster than traditional smoke alarms. It's designed for spaces where flames should never be, providing instant notifications to your smart device.
Manage your home's air quality with smart filter and purifier control. Receive personalized tips, alerts for filter replacement based on usage, and monitor outdoor air quality trends.
Monitor cooking, BBQ, and ambient temperatures with compatible Bluetooth and Wi-Fi devices. Features enhanced graphing, alarms with push notifications, and cloud storage for session data. Ideal for professionals and enthusiasts needing precise temperature control.
Control your air purifier remotely, monitor indoor and outdoor air quality in real-time, and manage filter life. Schedule operation and integrate with voice assistants for hands-free control.
This smart air purifier offers intuitive control over your home's air quality, similar to a thermostat. It provides real-time monitoring of indoor and outdoor air, detailed insights into air quality factors, and customizable smart settings for optimal comfort and allergy relief.
This application uses advanced detection techniques to locate supernatural phenomena on your smartphone. It displays detections on a familiar radar interface, showing their strength and location. Move around to see how the compass rotates with your facing and learn if you are near unusual paranormal beings.
Remotely monitor the time and temperature of food cooking on your grill, smoker, or BBQ using a programmable Bluetooth food thermometer. This app allows you to keep track of your cooking progress directly from your mobile phone.
Monitor your home remotely with smart security devices. Receive instant alerts for visitors, break-ins, smoke, and carbon monoxide. Control cameras, doorbells, and alarms from your smartphone for peace of mind.
This app provides advanced smoke forecasting and wildfire mapping for California. It helps users understand smoke origins, movement, and health impacts, offering real-time air quality data and locations for clean air relief.
This app uses a radar to detect paranormal spirits and ghosts in your surroundings. It offers a camera view for better visibility and allows for communication with detected entities without using your voice. It is intended as a prank application.
Remotely monitor your home's fire and safety devices. Get real-time alerts for alarms, warnings, and maintenance needs. Check sensor performance and battery levels from anywhere.
This tool uses your phone's magnetic sensor to detect nearby metal by measuring magnetic field strength. It alerts you with vibrations and sounds when metal is close, and can help locate hidden devices or electrical wires.
This app detects formaldehyde, PM2.5, and TVOC using advanced sensors. It provides accurate and reliable environmental data for your home or workspace.