The best magnetic tool apps on iPhone average 4.4★ across 209+ titles — we've ranked them by what real users actually keep on their phones. Updated May 2026.
This mobile application helps air conditioning and refrigeration technicians test AC and DC solenoid coils quickly and easily by using a smartphone's magnetometer to detect magnetic fields. Simply open the app, hold it up to the solenoid coil, and if the wheel spins, the coil is working properly, with options for simple or advanced modes and audio or haptic feedback.
This all-in-one HVACR app provides essential tools for technicians, including refrigerant calculators, troubleshooting guides, and product finders, to streamline workflow and increase efficiency. Download the app to access a collection of useful tools and resources to help you get the job done quickly and effectively.
An app for detecting metal objects using your device's magnetometer. Easily find nails, coins, wires, and more nearby. Features include active detection with a warning beep, automatic storage of readings, and a gauge showing magnetic field intensity in μT. Ideal for construction workers and DIY enthusiasts.
What We Love
⭐ Accurate magnetic detection
👍 Easy to use and intuitive
🔍 Helpful for finding hidden metal objects
🔧 Useful for troubleshooting mechanical issues (e.g., magnetized watches)