[mrtksn]

It’s a no brainer, the vendor gets paid for the continued work they do and the user pays over time as long as they get value out of the product.

However, For some apps it makes sense to have it as a one time payment - things like offline games or utilities the solve a problem and don’t need continuous updates.

Other than that, subscriptions are the way to go because software is a service more than a final product.