Detect electromagnetic fields (EMF) with your device's sensor. View live and historical readings, switch measurement units, and utilize visual and auditory alerts. Includes a flashlight for investigations.






228+ iOS apps curated and reviewed
From beginner-friendly picks to power-user tools, our spectra emf scope list covers 228+ iPhone apps updated through June 2026. Compare ratings, prices, and screenshots in one place.









Detect electromagnetic fields (EMF) with your device's sensor. View live and historical readings, switch measurement units, and utilize visual and auditory alerts. Includes a flashlight for investigations.





This advanced toolkit aids paranormal investigators by detecting and analyzing various environmental phenomena. It features multiple instruments to measure magnetic fields, audio signals, terrain fluctuations, and light changes, suitable for both novice and experienced users.


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.


Transform your device into an electromagnetic field detector. Monitor real-time magnetic field levels with visual gauges, record sessions, and customize alerts. Ideal for home inspections, science projects, and paranormal investigations.


Explore haunted locations, communicate with spirits, and detect paranormal activity using your smartphone. This app offers a suite of tools for ghost hunting, from EMF detection to spirit communication, suitable for both beginners and professionals.


Enhance your aiming in FPS games with a customizable crosshair overlay. Train your precision with built-in exercises and a variety of game modes. Save and switch between your custom designs easily.


Transform your iPhone into an EMF detector to monitor electromagnetic fields. Identify radiation levels in various environments to assess safety at home, work, or in public spaces. Gain insights to make informed decisions about your surroundings.


This tool uses your iPhone's magnetometer to measure electromagnetic field (EMF) activity in real time. Visualize EMF levels with clear indicators and receive haptic alerts when levels rise. Explore your surroundings with confidence by understanding magnetic field strength.


Monitor and control your home standby generator and propane tank remotely from your smartphone or tablet. Receive real-time status updates, customize notifications, track maintenance, and gauge fuel levels for guaranteed power.


Detect paranormal activity and ghosts using your device's sensors. This app utilizes a new algorithm to measure the nature and impact of entities, offering a fun way to explore haunted locations or playfully scare friends.


This app provides a comprehensive ballistics solver and profile management tool for long-range shooting. It features a new user interface designed for single-handed use, enabling quick solutions and seamless integration with Bluetooth-enabled devices. Users can sync gun profiles, create customizable range cards, and access an updated reticle library.


This app enhances physical exams by recording and analyzing heart and lung sounds. It helps detect potential heart and lung conditions, allowing for secure storage and sharing of recordings and reports. Features like murmur and AFib flagging are available with compatible devices and memberships.


This app transforms your smartphone into a thermal imaging device when connected to a compatible camera. It helps identify hidden issues like water damage, electrical faults, and HVAC problems with advanced visual enhancements and measurement tools. Document and share your findings easily.


This app connects to 911 to alert you about local emergencies, including cardiac events requiring CPR. It also provides notifications for other community incidents like fires and floods, and allows you to monitor live dispatch radio. It's designed to build informed and responsive communities.


Detect and track magnetic fields and potential EMF sources around you. Receive warnings for high readings and access guidelines for safe exposure levels. Monitor your environment and protect your health.


This app enhances your Apple Watch ECG recordings by calculating PQRST to reveal your unique heartbeat signature. It also monitors Heart Rate Variability (HRV), an objective measure of physical readiness, and integrates with Apple Health.


This app transforms your device into a powerful magnifying glass using your camera. It also functions as a mirror with adjustable light bars, perfect for low-light conditions. Freeze images for detailed inspection, adjust zoom, brightness, contrast, and even invert colors.


This app simulates a spirit box by converting sensor data into spoken words. It utilizes device sensors like vibration, GPS, and magnetic fields to generate output for paranormal investigation or entertainment. Users interpret the spoken words to understand potential messages.


Transform your device into a powerful and bright LED flashlight. Offers adjustable strobe and blinking modes for various needs. Enjoy a visually appealing interface with this essential lighting tool.