the plugin is free. there are many PC audio apps that you can also download that are free. PCs have over 90% of the world’s market share. I am sure you can find someone close by to use their PC for 15 minutes to create these short audio effects if you ask politely. You can save all the files on a usb thumb drive.
Rolling Stones
“You can’t always get what you want. But if you try sometimes, you get what you need.”