This product should and will be free forever. However, for professionals wanting to customize their page more, removing the LinkWall branding and streaming from multiple accounts, there will be a small monthly fee. In the meanwhile, all available features will be accessible at no cost.
Your question about copying is really interesting, and not limited to thi particular product. Do you think that it should be forbidden in some way or that it is a normal evolution for giants as Instagram, Youtube, TikTok?