I was referrred to this product by a PC using friend. He really liked a couple of the rollers. I had hoped to use it on my iPad, but none of the rollers are capable of working on it because they are Windows based. I can use the java version on my Mac laptop. I don't dice roll on my laptop, so that's not really a solution. I don't use a PC so the majority of the dice rollers in this package are useless to me. Hopefully Arc Dream will make a Mac version.