Hi David. The decision to go with SMS is because it was faster to develop (than a native iphone / android app) as well as supporting all phones. Soon we'll be

Hi David. The decision to go with SMS is because it was faster to develop (than a native iphone / android app) as well as supporting all phones. Soon we'll be coming up with a mobile version of the site that lets you do the same thing without using SMS. We'll post again on HN when it's done.