The app is available for iOS and Android phones. For the Hello Inside App to work, your phone needs to have an NFC reader.
This means that the Hello Inside App will work on any phone that operates:
- Android Operating System 8.1 and higher, Near Field Communication (NFC) capability
- iPhone 7 or higher, OS 11 or higher
You can find a full version with lists of phones and operating systems which are recommended and not recommended here.