We have a customer friendly 14-day* refund policy. After this period of time, you can get refund only if plugin is confirmed as not working on your site
Yes, plugin supports RTL because all blocks have align option, so you can replace left align to right align
Greenshift core is completely free and will be free always. You can download and update plugin from wordpress.org Free version has more than 20 blocks and can be used to build complex sites
Plugin has also several premium addons which can extend functionality with modern animations, special query features (to build listing, directories), SEO blocks for marketing and affiliate sites and Woocommerce addon to extend woocommerce blocks and product related features.
Yes, we don’t have any requirements from theme, however we recommend to use Gutenberg optimized themes and Block themes. For example, Blockpress theme