Per above, we considered that but didn't want to create bad will with a "free" app that didn't do anything until you added more money. (It's also against Apple

Per above, we considered that but didn't want to create bad will with a "free" app that didn't do anything until you added more money. (It's also against Apple TOS, though widely flouted.) In the future we may consider something more along the lines of a free sample.