Before you invest a large sum of money in establishing a new online store, you should know your competitors. Use an online store spying tool. It gives you an idea about the type of products your competitors are selling most and the way they are selling all those items. Shopify platform has thousands of stores selling all types of products. Many of them are market leaders in their niches. You will get valuable market data if you can spy on Shopify stores. Investigate hundreds of stores with just a few clicks. The data reveals the top selling products, the themes being used by the top stores, and the apps they are using to maximize their revenue. The spy tool lets you filter stores based on the specified criteria. Find the stores working in certain categories. You can do all this and much more with the help of a tool designed to spy on the Shopify stores. Discover the products that are selling fast.