The original price, from a different era. The developer had never raised it. A relic of a gentler internet, where a shareware programmer asked for the price of a sandwich and a coffee, and trusted you to pay if the tool fixed something broken in your life.
I lost my key after formatting my PC. Solution: The purchase confirmation email contains your key. If you lost it, email the developer (the address is on the official site) with your original transaction ID or the email address used at purchase. They are surprisingly responsive for a single-developer project. license key joytokey
While the trial is functionally identical, purchasing a license supports ongoing development for features like: The original price, from a different era