How much does it cost to build a restaurant ordering system
How much does it cost to build a restaurant ordering system
Building a restaurant ordering system in 2026 typically costs $15,000 to $250,000 for a real V1, depending on whether you ship a single-restaurant ordering page, a multi-location chain platform, or a full aggregator marketplace. Most restaurants should not build custom. Toast and Square already solve 90% of the use cases for $69 to $165 a month.
The interesting question is not how much it costs. It's whether you should build at all, and if so, which of the three scope tiers matches your business.
Should you even build a custom ordering system?
Be honest before you spend a dollar. If you're a single restaurant, two locations, or a small chain that mostly does pickup and delivery, the answer is probably no. Toast charges $0 to $165 per month per terminal and bundles a KDS, receipt printer hardware, and online ordering that already integrates with DoorDash and Uber Eats. Square for Restaurants has a free plan and a $60 per month Plus tier. Slice is free for pizzerias. Owner.com builds the website and ordering layer for a flat monthly fee.
These platforms exist because the problem is solved. Building your own to save $69 a month is a bad trade.
There are three honest reasons to build custom:
- Vertical workflow. You run a hot pot place where guests order rounds across a 90-minute seating, or a ghost kitchen with five concepts on one ticket, or a fine-dining tasting menu with course pacing. Toast can't model that without ugly hacks.
- Margin recovery. You do enough volume that DoorDash and Uber Eats taking 15% to 30% per order is the line between profit and loss. Direct ordering through your own site moves that margin back to you.
- Aggregator play. You're not a restaurant. You're trying to be the next Slice or ChowNow for a niche (food trucks, kosher delivery, halal-only, late-night).
If none of those describe you, close this tab and go sign up for Toast. If one does, keep reading.
Three scope tiers and what they actually cost
Restaurant ordering systems break cleanly into three tiers. Pick one before you scope a single feature.
Tier 1: Single-restaurant white-label site. Branded menu page, cart, Stripe checkout, SMS pickup notifications, basic kitchen ticket printer. No driver app, no third-party delivery, no multi-location admin. Cost: $15,000 to $40,000. Timeline: 4 to 8 weeks.
Tier 2: Multi-location chain platform. Everything in Tier 1, plus a kitchen display system (KDS), central admin for menu and pricing rollouts, table management, loyalty, real-time order routing across locations, integration with one POS (Toast or Square Partner API), and DoorDash Drive for last-mile delivery. Cost: $60,000 to $150,000. Timeline: 3 to 5 months.
Tier 3: Aggregator marketplace. Everything in Tier 2, plus a separate driver mobile app, restaurant onboarding flow, commission accounting, multi-restaurant cart, pickup time prediction model, and the operational chops to run support for both sides. Cost: $150,000 to $400,000+. Timeline: 6 to 12 months.
Match the tier to revenue, not ambition. A 3-location burger chain doing $4M in annual revenue is a Tier 2 problem. The same chain dreaming of franchising into 100 locations is still a Tier 2 problem until they have 20 locations on the books.
What goes into a restaurant ordering system
Each tier is the sum of the same building blocks, just more of them.
Customer-facing order surface
A progressive web app (PWA) is almost always the right answer for V1. Skip native iOS and Android. The PWA does Apple Pay, Google Pay, push notifications via web push, and installs to the home screen. You save $20,000 to $40,000 compared to shipping native, and you can add native later if usage justifies it.
The order surface is a menu with categories, item modifiers (size, toppings, allergens), cart, checkout, order tracking, and receipt. Modifiers are where most teams underestimate. A pizza with 14 toppings, 3 crusts, and 4 sizes has 1,344 logical states. The data model has to support that without choking.
Restaurant operator surface
The KDS is the screen on the wall above the line. Orders appear as tickets, the line cook taps to acknowledge, taps again when plated. A real KDS runs $5,000 to $15,000 of engineering: real-time push, audio alerts, color-coded urgency, bump-bar keyboard support.
The receipt printer is hardware. The Star Micronics TSP143IIIBI runs $250 to $320. The Epson TM-m30III is $400 to $500 and faster. Printing happens via ESC/POS commands. Plan for 2 to 3 days of engineer time to make printing reliable across networks.
Backend and integrations
A Postgres database holds restaurants, menus, orders, customers, and payments. A real-time pub/sub layer (Supabase Realtime, Pusher, or Postgres LISTEN/NOTIFY) pushes new orders to the KDS instantly. Payment runs through Stripe Connect if multi-restaurant, plain Stripe if single. Webhook handlers reconcile payment events with order state.
If you're integrating with an existing POS, the Toast Partner API or Square Orders API needs $3,000 to $8,000 of engineer time for the first integration. The cost is in data-shape mismatch and sandbox testing, not the API calls.
Cost breakdown by approach
Here's how the same V1 looks across hiring strategies. We're costing a Tier 2 build (multi-location chain platform with KDS, one POS integration, DoorDash Drive for delivery).
| Approach | Cost | Timeline | Pros | Cons |
|---|---|---|---|---|
| Toast / Square SaaS | $0 to $165/mo + processing | 1 day to onboard | Battle-tested, hardware bundled, no engineering risk | Vendor lock, hard to differentiate, can't model edge workflows |
| US agency | $80,000 to $250,000 | 4 to 9 months | Process, PM, accountability, contract clarity | Slow, expensive, post-launch handoff is messy |
| Offshore agency | $20,000 to $80,000 | 4 to 8 months | Cheap upfront | Time-zone friction, variance in code quality, IP transfer pain |
| US full-time engineer | $140,000 to $220,000 per year loaded | 2 to 3 months to hire | Owns the codebase long-term | Hiring loop, severance risk, 12-month commitment for a 4-month build |
| Upwork freelancer | $15,000 to $60,000 | 2 to 6 months | Cheapest hourly rate | Vetting risk, no replacement when fit is wrong, ghosting risk |
| Cadence | $500 to $2,000 per week | 48-hour trial, then ship | AI-native baseline, weekly billing, replace any week, no notice | Less suited to enterprise procurement cycles |
The math on Cadence: a senior engineer at $1,500 per week for 16 weeks is $24,000. A US agency quotes $120,000 for the same scope because they bundle PM, design, QA, and margin. If the fit's wrong in week two, you replace the engineer with no notice instead of eating a 12-month full-time hire.
This is the standard pattern across cost-to-build categories like on-demand service apps and food delivery apps: weekly billing collapses financial risk, AI-native engineers collapse time risk.
Feature-by-feature cost breakdown
These are the line items inside a Tier 2 build, with the SaaS price you'd pay if you bought instead of built.
| Feature | Build cost (engineer-weeks) | Buy cost (SaaS) | Recommendation |
|---|---|---|---|
| Auth | 0.5 weeks ($750 with mid engineer) | Clerk: free up to 10K MAU, then $25/mo | Buy. Don't roll your own. |
| Payments (online) | 1 week ($1,500) | Stripe: 2.9% + $0.30 per transaction | Buy. Stripe Connect for multi-tenant. |
| Payments (in-person) | 2 weeks ($3,000) | Stripe Terminal: 2.7% + $0.05, hardware $59 to $349 | Buy. Or stay on existing POS. |
| KDS (custom) | 2 to 4 weeks ($3K to $6K) | Bundled with Toast | Buy if you have Toast. Build only if Tier 3 aggregator. |
| Toast Partner API integration | 2 to 4 weeks ($3K to $8K) | n/a | Build. This is the unique part. |
| DoorDash Drive integration | 1 to 2 weeks ($1.5K to $3K) | $5 to $10 per delivery | Build the integration, pay per delivery. |
| Pickup time prediction | 1 to 2 weeks ($1.5K to $3K) | n/a | Build. Start with a static estimate, replace with ML once you have data. |
| Loyalty / coupons | 1 to 3 weeks ($1.5K to $4.5K) | Punchh, Como: $200+/mo | Buy if you don't have differentiation here. |
| SMS notifications | 0.5 weeks ($750) | Twilio: $0.0079/msg US | Buy. Wire up Twilio in a day. |
| Menu CMS | 1 week ($1,500) | Sanity, Strapi free tier | Build a thin admin. Most off-the-shelf CMS over-engineers this. |
| Receipt printer driver | 0.5 weeks ($750) | Bundled with Toast / Square | Build if standalone, buy if on Toast. |
| Order tracking UI | 1 week ($1,500) | n/a | Build. Customer-visible polish matters here. |
| Hosting | n/a | Vercel + Supabase: $20 to $200/mo at <50K orders/mo | Buy. Don't run your own infra. |
The pattern: buy the commodities, build only what differentiates you. Auth, payments, hosting, SMS are not differentiators. Your menu surface, your KDS routing logic, and your operator workflow are.
How to reduce cost without cutting corners
There's a real difference between cutting cost and cutting corners. Here's the difference.
Buy the commodity stack. Clerk for auth, Stripe for payments, Supabase for Postgres and realtime, Vercel for hosting, Twilio for SMS, Resend for email. The commodity stack runs you $50 to $500 a month at low volume and saves you 6 to 10 weeks of engineering. The teams that try to "save money" by self-hosting auth or running their own Postgres on a $20 droplet end up paying it back in week 4 when something breaks at 7pm on a Friday.
Start single-tenant, then multi-tenant. Tier 1 first. Prove the menu surface and the KDS flow with one location. Add multi-location and central admin only when you have a second restaurant signed up.
Use AI-native engineers. Every engineer on Cadence is AI-native by default. They use Cursor, Claude Code, and Copilot daily and pass a voice interview on prompt-as-spec discipline before they unlock the platform. The practical effect: a 4-week scope ships in 3 weeks because the boilerplate (CRUD admin, Stripe webhook handlers, KDS websocket plumbing) gets generated and reviewed instead of typed line by line. The Cadence pool of 12,800 engineers has a 27-hour median time to first commit.
Skip native apps for V1. A PWA with Apple Pay and Google Pay covers 90% of the use case. Native iOS and Android adds $20,000 to $40,000 and 8 to 12 weeks of build plus app-store review. Wait until your PWA usage justifies it.
Use Toast or Square as the data layer. If you already run Toast in your kitchen, don't rebuild POS. Use the Toast Partner API as the source of truth for menus and orders, and build only the customer-facing surface and the differentiating workflow on top. You shave 4 to 8 weeks off the build.
This is the same lesson from the cost-to-add-user-authentication breakdown: buy auth, don't build it. Same lesson here, applied to ordering.
The fastest path from idea to live ordering
Three steps, in order.
Step 1: Validate you actually need to build. Sign up for Toast or Square. Spend a week running the whole flow with their stock setup. If their constraints don't kill your business, stay there. If they do, document exactly what's missing. That document is your build spec.
Step 2: Pick the scope tier and freeze it. Tier 1, Tier 2, or Tier 3. Write down what's in scope and what's explicitly out. The biggest cost overrun in restaurant ordering builds is scope creep mid-build (a driver app added to a Tier 2 turns it into a Tier 3 and triples the budget).
Step 3: Book a senior engineer for 4 to 8 weeks to ship V1. A senior at $1,500 per week for 6 weeks is $9,000 and ships a Tier 1 build with room to spare. If you don't have an engineer in your network, book a Cadence engineer for the 48-hour free trial, specify the scope tier in the booking spec, and get a vetted match within 2 minutes. If the fit is wrong, replace at the end of the week with no notice. This is the same playbook that works for cost-to-build-inventory-management-system projects: short cycle, weekly check-ins, replace fast if needed.
FAQ
How long does it take to build a restaurant ordering system?
A single-restaurant Tier 1 V1 takes 4 to 8 weeks. A multi-location chain Tier 2 platform with KDS and POS integration takes 3 to 5 months. A full aggregator Tier 3 marketplace with driver app takes 6 to 12 months. Add 20% buffer to whatever number you start with.
Should I use Toast, Square, or build custom?
Use Toast or Square unless you have a vertical-specific workflow they can't model, run a chain that needs unified data across 10+ locations, or are building an aggregator marketplace. Their $69 to $165 per month plus processing fees beats $50,000+ in custom builds for 90% of cases. The honest answer for most independent restaurants is buy, not build.
What tech stack should I use?
Next.js for the customer surface, Postgres on Supabase or Neon, Stripe Connect for payments, Twilio for SMS, Vercel for hosting. Add the Toast Partner API or Square Orders API if integrating with an existing POS in the kitchen. This stack is what most modern Cadence engineers default to and is well-documented enough that a senior engineer can ship Tier 1 in 4 weeks.
Can I integrate with DoorDash and Uber Eats?
Yes. DoorDash Drive API and Uber Direct both offer last-mile delivery without listing your restaurant on the public marketplace. Per-delivery cost runs $5 to $10. Initial integration is 1 to 2 weeks of engineer time. This is how most direct-ordering chains avoid the 15% to 30% marketplace fee while still getting the delivery network.
Do I need a native iOS or Android app?
Not for V1. A PWA with Apple Pay and Google Pay handles 90% of customer ordering and saves $20,000 to $40,000 compared to shipping native apps through the app stores. Add native only after your PWA usage proves there's a real audience that wants the dock icon and push notifications. Most chains under 20 locations never need native.
What's the cheapest way to ship a V1?
The cheapest path that doesn't need a rewrite later: buy Toast or Square for the POS layer, build only the customer-facing ordering surface and your differentiating workflow on top, ship as a PWA, host on Vercel and Supabase. That can be done by one senior engineer in 4 to 6 weeks for $6,000 to $9,000 of engineering plus $50 to $300 a month in commodity SaaS.