If, in either case, you don't pay the interest, the outcome is the same for either debt. You may call something similar or even identical in one area totally different, but I don't. However, there is no point in arguing about it.
These are debt vehicles. There are some positive reasons for taking on debt in older age and others where you cannot avoid this sort of solution. Nevertheless, I would advise paying an external advisor to give you an in-depth picture of the costs of doing this.
Static caravan purchase is it worth buying