The KJ Pole ID app, developed by KJ Magnetics Inc., is a useful tool for anyone who works with magnets. This free app is available for iPhone and falls under the Utilities & Tools category. With KJ Pole ID, you can easily identify the poles of a magnet and determine if it is north or south-facing.

The app provides a simple and intuitive interface that allows you to quickly determine the orientation of a magnet. By holding your phone close to the magnet, KJ Pole ID will display whether it is a north or south pole. Additionally, the app alerts you if a magnet is too close to your phone, ensuring the safety of your device.

Whether you're a professional working with magnets or simply have a curiosity about their properties, KJ Pole ID is a handy app to have. Its accuracy and ease of use make it a must-have for anyone dealing with magnets on a regular basis.