Surely this is one reason that even consumer-oriented software is going to a SaaS model? For iphone apps potential purchasers will be comparing your software to

Surely this is one reason that even consumer-oriented software is going to a SaaS model? For iphone apps potential purchasers will be comparing your software to other aps that cost $3, but the normal rate for subscription services is $5-$20/mo., so just by making your software a subscription website, you can ask for a higher effective total price without seeming unreasonable.