Shopify research guidesPractical guides for finding out how Shopify stores work.How to find out what theme a Shopify store is using (3 ways)How to see any Shopify store's best-selling productsHow to find out what apps a Shopify store usesKoala Inspector alternative: Store Inspector compared (2026)PPSPY alternative: cheaper Shopify best sellers, theme and apps (2026)Free toolShopify theme detector