and why it cost 10$ here and 1$ on steam??...
The tool was initially released on Steam. At that time, the functions were not yet fully developed, so I sold it for just 1 dollar. Later, the functions were gradually improved. I wanted to raise the price, but Steam warned me that making such a change would affect my product. I didn't make any changes to it. Itch was posted by me later. I raised the price.