crossgrade

/K R AO1 S G R EY1 D/
verb
  1. 1

    (business, transitive) To switch from an existing subscription to one at the same price or service level.

  2. 2

    (computing, transitive) To upgrade (a software application) so that it is able to run on a different platform.

noun
  1. 1

    (business) A switch from an existing subscription to one at the same price or service level.

  2. 2

    (computing) An upgrade of a software application that enables it to run on a different platform.