So no Fake real professional metal detector, effective walk-through metal detecting. The technology offers greater sensitivity for detection with attractive design. Using this detector you’ll easily identify ferromagnetic metal objects (steel, iron, gold, pure silver). By approaching device to a bag or pocket (you can initially switch device to vibration mode for anonymity), you can easily find out whether there are metal objects. It's not fake app, it's real metal detector, but work with only magnetic metal (such as steel, iron, etc.) Best sensitivity near the camera on your iOS Device. Tip: Shake for calibration