
Flux Magnetometer & EMF Meter
Metal Detector & Stud finder
About
Transform your iPhone into a precision magnetometer and EMF meter. Detect hidden metal, wiring, and electromagnetic interference with real-time readings and alerts. Ideal for home improvement, electronics enthusiasts, and EMF monitoring.
What's New in Flux Magnetometer & EMF Meter
1.1.0
February 25, 2026
Improvements and bug fixes to make the app even better.
Subscriptions & In-App Purchases
Weekly Pro
Unlimited Scans, full scan history and favorites
Developer apps
FAQ
What can Flux detect?
Flux can detect magnetic fields and EMF levels, hidden studs and metal objects, wiring and electrical activity, magnets and magnetic interference, and electromagnetic field disturbances using your iPhone's built-in magnetic sensor.
How does Flux work?
Flux utilizes your iPhone's magnetometer to measure electromagnetic field strength in microteslas (µT). Metal and electrical wiring disrupt the ambient magnetic field, which Flux then detects in real time.
What are the Pro features in Flux?
Flux offers Pro features like a signal history graph and the ability to save and review scans, providing more in-depth analysis of detected signals.
What subscription plans does Flux offer?
Flux provides a Weekly Plan for $4.99/P7D and a Lifetime Access plan. Users can try it free to unlock unlimited scans, history, and favorites.
Is Flux accurate?
The accuracy of Flux depends on your device's hardware and the surrounding electromagnetic interference. The app provides real-time readings and alerts for detected signals.
What devices does Flux support?
Flux is supported on iPhone and iPod devices, requiring iOS 4+.
When was Flux last updated?
Flux was last updated on February 25, 2026, with version 1.1.0.
What is the age rating for Flux?
Flux has an age rating of 4+, making it suitable for a wide range of users.





