All specified in the price-list licenses are permanent and is not a subscription. The permanent license includes the right to use the software within bounds of the purchased version (11.xx), including all minor updates within the major version number (e.g. 11.01 – 11.99). In addition, all licenses include some term of the free upgrade period for free upgrades to any future versions of the same edition, this term depends on the edition licensed, for more information please refer to http://www.netcontrol2.com/register page.
If you are interested in special licensing conditions on a subscription basis, please do not hesitate to contact us: http://ask.netcontrol2.com