What does it cost to build an app like Etsy?
Sample range · freelance
$34k–$76k
An agency would be $61k–$167k for the same scope. This is a pre-computed sample, not your estimate. Your version is probably smaller.
Where the money goes
Why this kind of app is expensive
A marketplace has to be trustworthy enough for a seller to list inventory and trustworthy enough for a buyer to trust a stranger's shop — two products sharing one checkout.
Search has to handle handmade, one-off, variant-heavy inventory, which does not behave like a standard product catalog.
Shipping is real-world logistics — labels, tracking, customs — wired into order state, and payments have to route around sellers, so payouts and refunds each need their own handling.
The cheapest honest version of this idea is single category, manual seller approval, no in-app messaging at launch. That lands nearer $26k–$59k.
Your app is not Etsy. Get the range for what you are actually building.
Not open yet
Launching this weekend.
The free range, the $79 spec and the $199 execution pack all open then. Nothing to sign up for — come back and paste your idea.
Same maths, other archetypes