This article explains how to replace the native search bar in the eStore and the eStore Pro theme by ThemeGrill.
FiboSearch plugin features built-in integration with this theme. It means you can replace the default search bars by selecting a single checkbox.
If you have activated the eStore or the eStore Pro theme or a child-theme of any of them, you should see the following screen in the plugin settings:
Select the option
Replace all eStore or eStore Pro search bars with FiboSearch and the search bar should be replaced.