Yes, the Billy kit relies on the use of the Billy app on your smartphone.
Billy will work on any iPhone running iOS 9.0 or above, or any Android phone with Android 4.1 or above.
Do I need a smartphone to use Billy?
Yes, the Billy kit relies on the use of the Billy app on your smartphone.
Billy will work on any iPhone running iOS 9.0 or above, or any Android phone with Android 4.1 or above.