Operating System Android 5.1 and up.
iOS 9 and up.

We recommended for use with iPhone 5 and later, Samsung Galaxy S6 and later, Sony Z2 and later.
Bluetooth A device that supports Bluetooth 4.0 and up.
GPS GPS (Not assisted GPS like in WiFi iPads)
Storage At least 50 mb of free space.
Vessel Works best on non steel boats up to 45 foot.