The Sparkle store processes payments via Paddle and emails you a license instantly. Here you can use coupons or access promotions. We won't sell, rent or share your data, ever. For any kind of problem or question don’t hesitate to contact us.
Once you have purchased any of the above, from within Sparkle you can upgrade by paying the price difference. So for example a Sparkle One to Sparkle Pro upgrade will cost just the price difference.