In short, the supported car models and capabilities of the Lonsdor K518S are subdivided from the lonsdor K518ISE, which has three package options. In other words, the lonsdor K518ISE contains all the models and features of the lonsdor K518S package. So that the users can choose the lowest-cost package according to their needs and make more money.
*** After one year expires, the payable options exist but need pay another one-year fee if you want to use again. Package 3.SK213-B + SK213-S2 Hardware with free software +lifetime subscription[not incl. the cost of hardware and basic package (SK213-B) ]
Package 2: SK213 + SK213-S Lonsdor K518ISE hardware with free software + one-year subscription (630USD) ***After you pay 630USD, you can use all newest-released functions in the whole year, and for the next year, you can continue use this part of functions updated in this year; but for the next-year update, you have to pay. Read: Lonsdor K518ISE update in October 2018 http://www.obdexpress.co.uk/upload/pro/lonsdor-k518ise-updates.pdf The black part is free forever, the red part is paid.