Ecommerce CRM in 2026: What It Is + 9 Best Tools Compared

Most ecommerce operators already have a CRM of some kind — even if it is just a messy spreadsheet with repeat-customer notes, a Klaviyo list they rarely touch, or a Gmail folder called “VIP”. The problem is not whether you have one. The problem is whether it is actually connected to the rest of your stack — your store, your marketplaces, your order system, your support inbox — so it earns its monthly bill.