Only alarms with GSM/GPS tracking will require a subscription fee. We currently offer the first 6 months for free. Once the free period is up, you can pay for 6 months or 12 months subscripitons.  Alarms that require a Subscription: Storm Plus Smart Pro Elite Camper Van smart Eye Pro NavX GSM Winter package Supercar edition Range Rover/JLR package Some alarms that do not offer GPS/GSM features can be added. additional costs will apply.  None subscription products are as follows: Storm Mini BT Light Pro