Lets use my case in this senario.

I have two plans, £90 and £290. Both have 14 days free trials. And the higher plan has more features.

Today: The features provided in the free trial is based on the plan which is chosen.

Enhancement: I would like to give my £90 customer access to the features in the highest plan available in the categories during the free trail. When the free trial is done, they lose access to the features from the higher plans.

Please make this a toggle setting under Categories settings.