Floatify: Social & CTA Buttons
https://apps.shopify.com/floatify
价格：有免费套餐
支持：最多5个免费按钮
WhatsApp Chat Button by RQ
https://apps.shopify.com/whatsapp-integration-lite
价格：免费
支持：WhatsApp
ChatMe ‑ WhatsApp Chat Button
https://apps.shopify.com/whatsapp-chat-button-4
价格：免费
支持：WhatsApp
Ample: Chat Button Menu
https://apps.shopify.com/ample-1
价格：免费
支持：WhatsApp,Facebook Messenger
