> For the complete documentation index, see [llms.txt](https://docs.omnichat.ai/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.omnichat.ai/en/features/marketing/chatbot-builder/chatbot-module-91app-user-only/91app-member-binding-vs-omnichat-member-binding.md).

# 91APP Member Binding vs Omnichat Member Binding

What's the difference between the binding feature on the marketing? Omnichat let you know!

## 91APP Member Binding

91APP member binding: refers to the binding with 91APP members' customer ID and LINE's UID

After binding, customers can inquire about their membership information and shipping status within the LINE official account.

If you want to know which contacts are currently bound with 91APP members, you can go to "Audience & Broadcast" to filter the contact. For the filter setting, click [here](broken://pages/-LeT8jIL7a4Ek1hyvXAp)

## Omnichat Binding

Omnichat binding: Customers' third-party identity + the browser they use. There are three binding methods:

1. Binding through the "[Website Binding](/en/features/social-subscriber-integration.md)" button
2. Binding through "[Tracking plugin](/en/features/marketing-automation/abandoned-cart-remarketing-add-on-module.md)"
3. Binding through "[Chatbot button](/en/features/marketing/chatbot-builder/chatbot-binding-url-binding.md)"

After the binding is complete, the system can identify the customers' identity and further process the broadcast automation, customers Tags, remarketing messages, and abandoned cart remarketing

## Frequently Asked Questions

#### Q1: If the customer can inquire 91APP membership card information, meaning the customer has completed the Omnichat binding?

A1: No, 91APP member binding binds the 91APP membership code with LINE ID, which does not bind the browser used by the customer