We are asked about this ability a lot.
Although there are free functions online. The integration of such abilities into CSV 2 POST is considered not only advanced but highly valuable. This is the reason our text spinning with curly braces is not provided in the free edition.
We provide it in the premium however we also plan to provide an add-on that can be purchased for a small fee. Please check on the status of this change before buying.
We will continue to improve the free edition as always and donations encourage us to add more features that other plugins do not offer. However spinning will never be giving free due to to its SEO power.