Click to Chat Premium and free WhatsApp Widget for my website I need to know the difference between premium and free version Check the pricing page to learn more about what are the differences from each version. By César Martín (ToChat.be) We develop WhatsApp solutions, WhatsApp API and WhatsApp Widgets. Please contact us for more information. We are here to help you. View all of César Martín (ToChat.be)'s posts.