Product version: v1.5.18, last updated: April 12, 2019.
This is 100% original product under GPL license! Exact same files being distributed by Themeforest. You can use it on any sites you own.
YITH WooCommerce Product Add-Ons Premium is a WooCommerce Extensions being developed by YITHEMES. YITH WooCommerce Product Add-Ons Premium allows your customers to customize your products by adding new options like input box, dropdowns, checkbox or image upload. This premium extensions also have so many features like :
This features allows you to create goups of options
This features allows you to choose options such as checkbox, color, date, label list, number, select, radio button, text, textarea or upload
INCREASE THE COST OF PRODUCT
This features allows you to increase cost of product by assigning fixed or percentage price
LIMIT FILE UPLOADS
This features allows you to limit file uploads by file types
And many more features. Check official website for more info.