Opencart GeoIP store switcher extension lets you redirect customers to the store relevant to them. This extension auto-detects the IPs of customers and take them to the relevant store. You can also allow customers to choose the desired online store manually.
Shopify Price Calculator App allows your customers to conveniently fetch price of their products by entering measurements in length, area, volume and weight. offer discounted rate for different range of measurements.
OpenCart testimonial module let you display the customers' reviews on a separate landing page. Customers can submit their feedback using testimonial form and other users can rate their reviews as well.
