Your post is useless.
Could you please declare your critics and why this plugin does not match your personal use case??
This Plugin is More than 70 percent Free, Many paid users ask for a refund because they said Paid version is not much more than the Free. As you can see Most of the WooCommerce plugin is not Free. WooCommerce sells its plugins at a hefty price. This Guy (@nijathy) sells his product in WooCommerce does he offer anything Free? maybe he is not. There needs a lot of hard work and time for a good thing. Rational thinking is a precious gift, Worthy people have it.