ESyncher

You can link your eSyncher account with QuickBooks account and synchronise information between them automatically, including customers, products, sales, and invoices, using QuickBooks Online Integration. As a result, you'll be able to better manage accounting data. When a customer puts an order, the system checks to see if the information has previously been entered in a database; if it has, the system will update the information; if not, the system will add this new customer to the customer list. One of the most advanced features of this addon is that it instantly synchronises all data; no time or manual effort is necessary.

E-commerce sellers host their products on multiple E-commerce websites, challenges arise when the orders are coming in high volumes.
It becomes quite difficult to manage business on multiple E-commerce sites.
eSyncher is a multi-channel order management platform where it automatically pulls in orders from all your online stores in one place, and helps reducing human errors & saves costs.
Sign-up is free for limited period.
To know more you can visit and request for a demo on https://esyncher.com