Scanning RFID badges requires using devices that contain NFC hardware. Many phones and tablets on the market now do support this technology. Here are the requirements for both iOS and Android.
OS: iOS 11 or later
iPhone Models: iPhone 7/7 Plus, iPhone 8/8 Plus, iPhone X, iPhone XS/XS Max, iPhone XR
iPads do not support NFC communications at this time.
OS: Android 4.0 or later
Device Requirements: Device must have NFC available to scan a badge. This includes most Android phones and a few Android tablets. Android phones on this list should be compatible although they have not all been tested by iCapture: https://www.unitag.io/nfc/is-my-phone-compatible-with-nfc
Note that the iPhone 6 appears on this list but is not compatible with scanning RFID badges (see iOS section).