SellerCenter is a dropshipping research and tracking toolkit that helps Shopify sellers find products and niches, monitor competing stores and ads, and source merchandise. It is designed for beginner and scaling Shopify store owners, product researchers, e-commerce analysts, and digital marketers.

Track competitor Shopify sales and revenue, with 15-day reports and order-trend predictions.
Research products and stores across Shopify, Amazon, Wish, Shopee, Lazada, and Etsy.
Use image search to source products from 1688 and Taobao.
Analyze competitor ads from Facebook, TikTok, YouTube, and Instagram.
Inspect Shopify themes and apps, and research product prices, orders, reviews, and margins.

The toolkit combines store tracking, product research, sourcing, and ad analysis; its data is updated in real time or daily depending on the platform. The page states that free and paid plans are available, with basic tools and limited data on the free plan.