Sat Nav and Mobile app?

Tony_Bell Registered Users Posts: 2
Apprentice Traveler
edited January 2019 in Travel lounge
I have lifetime maps with my Satnav device, but I would also like the convenience of having Tom Tom on my mobile, so my question is: do I still need to pay for the maps if I want to use the mobile app too, if I already have lifetime with my Satnav?