Yummo cofounder Abby Greenberg said demand for the service was greater than she  anticipated. Photo / SuppliedYummo cofounder Abby Greenberg said demand for the service was greater than she anticipated. Photo / Supplied

Yummo allows customers to subscribe to pre-selected snack boxes, or make their own with a number of snacks from the more than 400 options on the marketplace. Photo / SuppliedYummo allows customers to subscribe to pre-selected snack boxes, or make their own with a number of snacks from the more than 400 options on the marketplace. Photo / Supplied