Why a marketplace costs more than a normal app
Most apps have one kind of user doing one job. A marketplace has at least two (buyers and sellers, renters and owners, clients and providers) plus your own team in the middle. Each side needs its own sign-up, its own home screen and its own notifications, and the two sides have to agree on something before money changes hands.
Then there is the part nobody sees in the mockups. Someone has to approve sellers, remove bad listings, answer "where is my refund" emails and pay providers on time. In a booking app the business owner does all of that. In a marketplace you are the operator, so the app needs tools for it, and those tools are a real share of the build.
That is why a two-sided product and a simple calculator cannot share a price list, and why our marketplace app service works from a written scope and quote instead of a package price.
A sample scope, line by line
This is an example scope written in October 2026 for a local equipment rental marketplace. It is an example scope, not a customer project. Owners list camera and audio gear in one city; renters browse one category, pick dates and pay up front; the owner accepts or declines within a set window, and a decline triggers a full refund automatically. After the return date the owner marks the item returned and the payout is released.
Two models need separating before any quote. A directory lists owners and lets renters contact them; the deal and the money happen off the app, so there are no payments to build. A transacting marketplace takes the payment, keeps a platform fee, holds the rest and pays the owner later through split payments. The example below is the transacting version, and the payments row is the largest one in it.
| Item | What is included | What drives effort |
|---|---|---|
| Platforms | iPhone and Android app for both sides from one codebase, plus a web admin for the operator | Two store builds and a second front end for admin |
| Renter screens | Sign-in, category list with one or two filters, listing detail, date picker, checkout, my rentals, order status, report a problem | Date availability per item and order states |
| Owner screens | Onboarding with payout details collected by the payment provider, create and edit a listing with photos, accept or decline, mark returned, earnings | The provider's onboarding flow and photo upload |
| User roles | Renter, owner, operator admin | Three sets of flows and permissions, and every combination tested |
| Payments (split payment model) | Card payment through a payment provider built for marketplaces, platform fee kept, funds held until return, automatic payouts, full refunds only | Each money state (held, released, refunded) appears in screens, notifications and admin |
| Other integrations | Push notifications and transactional email for new request, accepted, declined, returned | Number of events that trigger a message |
| Admin | Approve owners, hide listings, search and view every order, trigger a refund | Each operator task becomes a screen and an action |
| Component | What it covers here | What drives effort |
|---|---|---|
| Design | Renter and owner flows, and the admin, in your brand | Number of screens and states across two sides |
| Build | Apps, server, database, payment flows and the admin | Split payments, holds, refunds and the order states they create |
| QA | Device testing plus full transaction runs: accept, decline, refund, return and payout | Number of payment states and roles |
| Store deployment | Listings, privacy answers and submission under your developer accounts | Review feedback, which Apple and Google control |
| Contingency | A stated allowance for unknowns found during the build | How settled the refund and payout rules are before the build starts |
- Excluded: chat before booking.
- Excluded: partial refunds, deposits and tips.
- Excluded: delivery or courier booking.
- Excluded: more than one city or category.
- Excluded: a web version for renters and owners.
- Excluded: ongoing maintenance after the bug-fix window, which is scoped separately.
The smaller option: launch as a directory with no payments in the app, and the payments row, the payout states and most of the refund admin disappear. You learn whether owners will list and renters will look, though not whether they will pay through you. If you have no supply yet, a no-code marketplace template or a simple website with manual matching may be enough, and the minimum marketplace worth testing explains what each model proves.
| Cost | Paid to | What to expect |
|---|---|---|
| Apple Developer Program | Apple, in your name | $99 a year |
| Google Play registration | Google, in your name | $25 once |
| Payment processing and payout fees | Your payment provider | Charged on each transaction under the provider's published pricing |
| Hosting, database and photo storage | Your hosting provider | Usage based; grows with owners and listings |
| Push and email | Your providers | Usage based; check each provider's plan |
| Moderation and support time | Your team | Reviewing owners, reported listings and disputes each week |
| Maintenance | Your developer | Operating system updates, payment provider changes and fixes, quoted separately |
Sources: [S19]: Apple Developer, Enrollment (opens in a new tab)[S20]: Google Play Console Help, Get started with Play Console (opens in a new tab)
Where the build effort goes, part by part
The table below splits a typical marketplace MVP into the parts that show up in a quote. The relative effort column is a planning guide, not a price: it tells you which decisions move the number most.
| Part | Leanest credible version | What pushes effort up | Relative effort |
|---|---|---|---|
| Buyer role | Browse, search one category, view a listing, request or buy, see order status | Saved searches, maps, filters across many attributes, wish lists | Medium |
| Seller or provider role | Sign up, create and edit a listing, accept or decline, see earnings | Multi-location sellers, team accounts, inventory per listing, calendars | Medium to high |
| Listings | One listing template with photos, price and a few fixed fields | Different templates per category, variants, availability rules | Medium |
| Messaging | Order-linked messages or none (contact after payment) | Open chat before purchase, attachments, read receipts, spam filtering | Low to high |
| Payments and payouts | Card payment through a platform built for marketplaces, automatic payouts, full refunds only | Deposits, partial refunds, holds, tips, multi-currency, invoices | High |
| Admin panel | Approve sellers, hide listings, view orders, trigger a refund | Reporting dashboards, bulk tools, staff roles, audit logs | Medium |
| Trust and moderation | Report button, manual review queue, basic ratings after a completed order | ID verification, automated content checks, dispute workflows | Medium to high |
| Notifications | Push and email for new order, accepted, completed | Reminders, digests, SMS, per-user preferences | Low to medium |
Payments sit in the high row for a reason. Splitting a payment between a seller and your platform fee, holding it until a job is done and reversing it cleanly is more work than taking a single card payment, even when a payment provider does the heavy lifting. Our guide to marketplace payment and admin questions goes through that part in detail.
The costs that continue after launch
Founders tend to budget for the build and forget that a marketplace is an operation. The recurring costs table in the sample scope lists the bills: store accounts, payment fees, hosting and photo storage, and maintenance for operating system updates and payment provider changes. Our maintenance guide covers what that maintenance usually involves.
The moderation line is the one that surprises people. A marketplace with no one looking after it fills with stale listings and unanswered disputes, and the app gets blamed for it.
Sources: [S19]: Apple Developer, Enrollment (opens in a new tab)[S20]: Google Play Console Help, Get started with Play Console (opens in a new tab)
When a custom marketplace app fits, and when it does not
| Situation | Better option |
|---|---|
| You have no sellers lined up and want to test demand | A no-code marketplace template or a simple website with manual matching |
| Your transaction is standard (products shipped, fixed price) | Existing multi-vendor marketplace software, often cheaper to start |
| Your flow is specific (custom booking rules, job verification, local pickup) and you have early demand | A custom app built around that one flow |
| Sellers and buyers mostly use phones on the go | A native mobile app, possibly with a web admin |
Be honest about the first row. Many marketplaces should start as a spreadsheet, a form and a lot of manual work. A custom app pays off once you know which part of the manual process hurts most.
What to send for an accurate quote
Marketplace quote brief
- Who the two sides are, in one sentence each
- The single transaction the app must complete (buy, book, rent, hire)
- When money moves: at request, at acceptance or after completion
- Who issues refunds and in which situations
- What your team needs to see and do in the admin panel
- Launch area or niche, and roughly how many sellers you can onboard yourself
- Anything already built: designs, a website, an existing database
Send that through the app quote form. You get either a short list of clarifying questions or a written scope with assumptions, timeline and quote. For a general template you can reuse for any app, see the app brief template.
Frequently asked questions
Why won't you give a fixed price for a marketplace app?
Two marketplaces with the same name can differ in payment rules, roles and admin needs by a wide margin. A written scope with stated assumptions is more useful than a number that changes after discovery.
What is the most expensive part of a marketplace MVP?
Usually the money flow: split payments, holds, refunds and payouts, plus the admin tools to manage them. Messaging and complex search can rival it if you include them.
Do I need an admin panel in the first version?
Yes. You need at least a way to approve sellers, hide listings, see orders and issue refunds, or you will end up doing it in the database.
Who owns the marketplace code?
After full payment you receive the project files and the original assets made for your app. Your developer, hosting and payment accounts stay in your name, and third-party services keep their own license terms.
Should I build a web version too?
Only if one side clearly works at a desk. Many marketplaces launch with a mobile app for both sides and a web admin for the operator.
Sources
- [S19] Apple Developer, Enrollment
- [S20] Google Play Console Help, Get started with Play Console
Written and reviewed by the DFY Games team. Published ; facts checked . Prices and store rules change: check the linked sources before you rely on a figure.