Build an eCommerce App Like Amazon in 2026 | Primocys
One competitor quotes $200,000–$500,000+ for “an Amazon-style marketplace” with no breakdown of what that actually includes. Here’s the honest version — feature by feature, with the architecture decision that determines 40–60% of your real cost before a single screen gets designed. The number you came here for An eCommerce app like Amazon costs $15,000–$35,000 for an MVP (customer app, catalog, cart, checkout, basic admin) at India development rates. A mid-tier multi-vendor marketplace with vendor onboarding and commission management costs $40,000–$90,000. A complex enterprise marketplace with AI recommendations and logistics integration costs $100,000–$250,000+. US agencies quote $80,000–$500,000+ for the same scope — one quoted an “Amazon-style marketplace” at $200,000–$500,000+ with zero breakdown of what’s actually included. The single decision that most determines your real cost: are you building single-vendor (you sell your own products) or multi-vendor (Amazon’s actual mo...