How much does it cost to build a marketplace app in 2026?

A marketplace is the most expensive kind of online store to build, and the one where quotes vary most. One agency says $5,000, another says $80,000, and both are describing "a marketplace". The difference is almost always in the parts nobody draws on the first wireframe: how money moves between three parties, what happens when an order goes wrong, and who looks after the sellers.

These are the figures we work with as a fixed-price studio in New Delhi that has built, and runs, its own marketplace — Basket of Pahad, where shopkeepers in Kumaon sell Himalayan food to the rest of India. All prices below are for software built properly: tested, secure, and handed over with the source code.

The short answer

Our own online stores and marketplaces start at ₹6,00,000 / $8,500 for a multi-seller marketplace (see all pricing). Below that range you are usually buying a theme or a clone script. That can be the right call for testing an idea, as long as you know that is what you are buying.

What you are actually paying for

A marketplace is three products sharing one database: a storefront for buyers, a back office for sellers, and a control room for you. On a typical first version, the effort splits roughly like this:

The share most often under-quoted is money. A single-brand store takes a payment and is done. A marketplace takes a payment, keeps a commission, owes the rest to a seller later, and has to give some of it back when an order is returned — sometimes after the seller has already been paid. Every one of those steps needs a record that an accountant can follow.

The seven decisions that move the price

1. Who pays whom, and when. Collecting all the money yourself and paying sellers on a schedule is simpler than splitting every payment at checkout through a gateway's split-payment product, such as Razorpay Route or Stripe Connect. Splitting is cleaner for tax and trust, and costs more to build and test.
2. Where commission is charged: from the seller, from the buyer as a service fee, or both. Basket of Pahad takes commission on both sides, computed when the order is placed rather than reconciled at month end — a choice that costs a little more up front and saves a great deal of accounting later.
3. Cash on delivery. Common in India, rare elsewhere. It means tracking money that arrives after delivery, often through a courier, and reconciling it against orders. Basket of Pahad runs on cash on delivery today, with Razorpay being switched on.
4. Seller verification. A form and a manual approval is cheap. Automated checks — PAN, GSTIN, bank account verification, identity documents — add integrations and edge cases.
5. Goods, bookings or services. Physical goods need shipping and returns; bookings need calendars, time slots and no-shows; services need scheduling and proof of completion. Bookings are the hardest to get right — we wrote about why.
6. Apps or web. A fast mobile website, installable on the home screen, serves most first versions. Native Android and iPhone apps add store fees, review cycles and roughly 40–60% to the build.
7. Search. Category filters are standard. Map search, typo-tolerant search, or ranking by relevance and seller quality is its own piece of work.

Running costs after launch

Build cost is the number everyone asks about; running cost is the one that decides whether a marketplace survives its first year. Budget for:

Gateway fees are the line that grows with success. On ₹10,00,000 of monthly sales, 2% is ₹20,000 a month — as much as the maintenance plan. Factor it into your commission rate from day one.

How to keep the first version small

The cheapest marketplace is the one that launches with the fewest moving parts and learns from real orders:

• Launch in one city, region or category. Basket of Pahad started with Kumaon only; Garhwal comes next.
• Onboard the first sellers yourself. A manual approval queue is cheaper than automated verification and teaches you what to automate.
• Pay sellers on a schedule before building automated split payouts — if your gateway and your accountant are comfortable with it.
• Launch on the mobile web. Build native apps when customers come back weekly, not before.
• Write the refund and cancellation rules on paper before anyone writes code. Every rule added later costs more.
• Keep the admin panel. It is tempting to cut, and it is the part your team will use every day.

Questions to ask any developer

• Is the price fixed for the scope, or an estimate against an hourly rate?
• Do I own the source code, and is it in a repository in my name from the first week?
• Show me how a refund works after the seller has already been paid.
• What happens if two buyers order the last item at the same moment?
• Who pays for hosting, and in whose name is the account?
• What is included in the first month after launch?

A developer who has built a marketplace will answer the refund and last-item questions without hesitation. One who has not will promise to "handle it".

What a fixed price can and cannot promise

We fix the price for an agreed scope, paid by milestone, with a working demo every week. What nobody can fix is a scope that has not been decided yet — which is why every project of ours starts with a free design of the most important screens, so the quote is for something you have already clicked through. Changes after that are quoted before they are built, never billed by surprise.

Get a number for yours

Send us two lines about your marketplace — who sells, who buys, what is sold — on WhatsApp or by email. We reply with an honest range in INR or USD within one working day and, if you want, clickable screens of the core flow within 48 hours, free.

Frequently asked questions