Even more OT, but Angry Birds is $0.99 on iOS and free (with ads) on Android to this day: https://www.google.com/search?&q=angry+birds+android+OR+...
Just the nature of the different app ecosystems, really.
Just the nature of the different app ecosystems, really.
You used to be able to create an account without it, but not it seems impossible (or if it is, you have to do some devious thing 99% of the population could not figure out, even after solid googling).
That "devious thing" is "attempt to download a free app without an account". Then it will present you with the credit card-free option.