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Readymade Grocery App — Flutter Source Code
Flutter readymade grocery app with the four-role grocery workflow — customer ordering, store inventory, shopper-picker assembly, and admin operations. $1,500 Single Extended License.
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Ownership model
Rent a platform, own the source, or commission a custom build
If you've priced SaaS grocery platforms — Mercato, Local Express, Cornershop's white-label — you know the model: $200–$800 per month plus 5–8% per order, and you never own the code or the customer data. At the other end sits a $20,000+ custom build. The grocery app source code middle path is what this product is: when Apple and Google take their 15–30% cut, that's your only cost on top of payment processing — no royalty to a vendor, and your name on the App Store listing, not a script vendor's. Buyers searching grocery delivery script and grocery app source code are usually price-sensitive solo operators; this is built for them.
Rent
SaaS grocery platform
Mercato · Local Express · Cornershop
$200–$800 per month plus 5–8% per order. You never own the code or the customer data, and the store listing stays under the vendor's account.
Ongoing rent Own
Grocery app source code
This product
$1,500 one-time — no subscription, no per-order royalty. Full Flutter + Node.js source: the apps, backend, admin dashboard, schema, seed data, and docs. Fork it, extend it, ship updates without asking permission.
$1,500 one-time Commission
Custom Flutter agency build
Bespoke from $20,000
Full ownership too, but 16–20 weeks and a budget that needs a round. Overkill when you just want to launch one zone and validate the model.
From $20,000 Grocery depth
Five capabilities that make this more than a food-delivery clone
These five separate a real grocery delivery app from a rebadged food-delivery template. Substitution, slot scheduling, multi-store cart, and weight-based products ship as paid customisation at $25/hr; real-time inventory sync (CSV-polling baseline) is on the readymade build, with POS connectors as add-ons. Verify all five before you sign with any vendor.
Substitution management
When the shopper finds an item out of stock, the app surfaces the closest match by attribute (size, brand, organic flag), pushes a substitution offer to the customer in-app, and times out cleanly to a saved default — closest match, refund, or always-ask — with a 60-second shopper-side fallback. The most under-built feature in cheap scripts.
Slot-based scheduling
Grocery is planned shopping, not impulse delivery. Hourly windows, dynamic per-zone capacity tied to shopper availability, an optional surcharge for one-hour priority slots, and up to seven days of forward booking.
Multi-store cart
Customers pull items from two stores in the same zone in one checkout, and the cart splits cleanly at submission. Full multi-location architecture is the multi-store sibling's job — see the tier section below.
Weight-based products
The cart shows an estimated price; the shopper weighs the actual pickup at the scale; the system finalises the line and basket total before checkout authorisation captures. Cheap scripts skip this and force manual price corrections after the fact.
Real-time inventory sync
An adapter layer hides or flags out-of-stock items within minutes, not at checkout — killing the biggest cart-abandonment cause. CSV-polling baseline ships; Square, Shopify POS, and custom REST connectors are paid add-ons. EBT / SNAP ships as an integration hook for US operators; FNS authorisation and a certified processor are yours to wire on top.
Pick the tier
Single-store ($1,500) vs multi-store ($1,999)
This product, at $1,500, is single-store, full-featured: one brand, one catalog, one set of hours, one pricing matrix — Customer App, web storefront, Delivery Boy App, and Admin Dashboard. Multi-store cart is included as a feature, but the architecture assumes those stores share a single catalog. The multi-store grocery app sibling, at $1,999, is the multi-location tier: per-store catalogs, pricing, hours, zones, commission, and payouts for chains of 5–50 locations. Pick by location count and inventory model, not ambition — and because you own the source, the upgrade path is a data migration, not a rip-and-replace. Want the marketplace pattern (multiple retailers, third-party shoppers)? See the Instacart clone app.
After purchase
Customisation services at $25/hr
The source is yours after purchase. IFA's Flutter team — the same bench that wrote the code, no ramp-up, no context loss — handles ongoing work at $25/hr or fixed-bid for a defined scope. Most requests cluster into four buckets. See our Flutter development services and mobile app development services, or contact our team to scope a build.
POS inventory sync
Connect an existing system — Square, Shopify POS, NetSuite, Tally, or a custom ERP. The most-requested add-on, typically 2–4 weeks per connector.
EBT / SNAP integration
The heaviest compliance work for US operators: 6–10 weeks of engineering plus 8–12 weeks of FNS certification in parallel, with Forage or Fidelity as the processor.
New verticals
Pharmacy (prescription validation), liquor (age verification), florist (same-day cutoffs), or meat / butcher (custom-cut workflow) drop into the architecture cleanly — most pivots are 3–6 weeks.
White-label SaaS for resellers
The heaviest engagement — sub-tenant architecture, per-tenant billing, isolated catalogs. Scoped fixed-bid from $8,000.
Preview
See it in action
Customer
Store
Picker
Scope
What you get
Flutter-native readymade grocery app — Customer, Store, Shopper-Picker, and Admin apps in one source-code package.
You receive the complete single-store full-featured package — the Flutter apps, the backend, and the full source code at handover — for a one-time $1,500. No subscription and no per-order fee: buy it once, brand it your way, and ship it under your own developer accounts. The list below is exactly what's in the box, and exactly what isn't.
In the box
What's included — and what's not
What you get
- Flutter Customer App source (iOS + Android)
- Flutter Store / Vendor App source (iOS + Android)
- Flutter Shopper-Picker App source (iOS + Android)
- Admin Dashboard source (web)
- Node.js + MongoDB backend
- Angular web storefront for browser-based ordering
- Stripe + COD payment integration (Razorpay available as customisation)
- Real-time order tracking on Google Maps
- Coupon, deals, banner, and inventory management
- Bulk product import / export from admin
- Multi-agent delivery boy management with commission settings
What's NOT included
- Multi-store / chain management at scale (see Multi-Store Grocery App at $1,999 for true multi-location)
- Provider / shopper recruitment — the technology is the platform, not the supply network
- Payment processor account setup (Stripe / Razorpay business KYC is yours)
- Server hosting, domains, or push-notification cost
- App Store / Play Store developer accounts and submission fees (available as a paid add-on)
- Product inventory — you populate via the admin CMS or POS import
- EBT / SNAP processor certification (integration hook ships; FNS authorisation is yours)
Buyer fit
Who's this for?
Solo grocery store going digital
Independent supermarket or specialty grocer adding a branded delivery app for one location — needs the full four-app stack, not a website-only setup.
Multi-store small chain (2–5 locations)
Local chain that wants to launch fast on the single-store build, with an upgrade path to the Multi-Store Grocery App ($1,999) when location count and per-store inventory diverge.
B2B grocery for offices and cafes
Wholesale or case-pack operator selling to corporate kitchens, cafes, and small restaurants with net-30 terms and recurring orders.
Dark-store / rapid-delivery operator
Quick-commerce founder running a micro-warehouse with in-house pickers; uses the codebase with the shopper and driver roles merged into one operator.
Features
Feature breakdown by role
Customer App
- ✓OTP login + saved addresses
- ✓Category and sub-category browsing
- ✓Search, filter, and product detail
- ✓Stripe, Razorpay, COD payments
- ✓Real-time order tracking on map
- ✓Coupons, offers, reorder, ratings
- ✓Push notifications
Store / Vendor Panel
- ✓Inventory and stock management
- ✓Catalog and price management
- ✓Order accept / reject and status update
- ✓Low-stock alerts
- ✓Sales analytics and payout history
- ✓Promotions and banner management
Delivery Boy App (Shopper-Picker workflow — picking merged into delivery role on readymade build)
- ✓Individual delivery agent credentials
- ✓Accept / reject delivery requests
- ✓Real-time order notifications
- ✓Order history and earnings
Admin Dashboard
- ✓Store onboarding and KYC approval
- ✓Zone, slot, and delivery-fee configuration
- ✓Commission and payout engine
- ✓Coupon, deals, and banner management
- ✓Bulk product import / export
- ✓Refund and dispute handling
- ✓Sales, revenue, and operations analytics
- ✓Push notification broadcast
Customer App
Delivery Boy App
Business model
Revenue model
Commission from stores
Platform takes 5–15% of each completed order — configurable globally or per store in the admin dashboard.
Delivery and service fees
Per-order delivery fee (distance-based or flat) plus an optional service-fee line on every basket.
Subscription tier (available as paid customisation)
Membership model — free delivery above a basket threshold. Not included in the readymade build; available as a $25/hr customisation.
Promoted product listings / CPG ads (available as paid customisation)
Sponsored placements in category pages and search. Not included in the readymade build; CPG ad console is a $25/hr customisation add-on.
your platform revenue
$0/month
One-time license $1,500 — pays for itself in — at these numbers.
Illustrative math — drag the sliders to your market.
Why Flutter
The Flutter advantage
One codebase, iOS + Android
Flutter compiles a single Dart codebase to native iOS and Android binaries. You ship two apps without maintaining two separate codebases or two separate engineering tracks.
60fps on every screen
Flutter renders directly to a Skia/Impeller canvas — no JavaScript bridge, no WebView overhead. Every scroll, transition, and live-tracking update runs at 60fps on mid-range Android hardware.
One team to maintain and extend
Because the entire stack — customer app, vendor app, driver app — is Dart, a single Flutter developer can fix a bug and redeploy to both stores. No context-switching between Swift and Kotlin teams.
Faster release cycles
IFA ships Flutter apps. Our 250+ Flutter developers have delivered readymade products and custom builds since 2010. When you need a new feature, the team that built the product extends it — no handoff friction.
Tech
Stack we ship
Frontend
FlutterDart
Backend
Node.js
Data & cache
MongoDB
Payments
Stripe
Maps, push & SMS
Google MapsFCMOneSignal
Also includes
Angular
Process
How we deliver
-
Purchase + kickoff
Buy the $1,500 Single Extended License. 30-minute kickoff call confirms branding, payment gateway, target zone, and which of the four roles you'll merge (if any).
-
Configure
Set up the Node.js backend, MongoDB, Google Maps keys, and Stripe / Razorpay credentials. Seed your product catalogue via the admin CMS or CSV import.
-
Brand + QA
Apply logo, colour, and store name across all four apps. Configure commission, delivery fees, slot grid, and substitution defaults. Walk every role end-to-end on staging.
-
Deploy + handover
Submit Customer, Store, and Shopper-Picker apps to App Store and Play Store under your developer accounts. Admin dashboard deployed on your domain. Full source in your repo. Typical end-to-end: 4–6 weeks.
Pricing
$1,500 Single Extended License
Recommended
Single-store full-featured
$1,500 one-time
Full Flutter source code for iOS + Android. Buy once, customise, rebrand, and launch — no subscription, no per-order fee.
- Flutter Customer App source (iOS + Android)
- Flutter Delivery Boy App source (iOS + Android)
- Angular Web Storefront source
- Admin Dashboard source (web)
- Node.js + MongoDB backend source
- Setup documentation
- 3 months email support
Post-purchase customisation available — $25/hr. Request Customisation
Compare
Readymade vs Custom
| ★ Readymade · $1,500 | Custom build · from quote | |
|---|---|---|
| Price | $1,500 | From $20,000 to $80,000+ |
| Timeline to launch | 4–6 weeks (branding + store submission) | 16–20 weeks |
| Source code | Full Flutter source — yours to own | Full Flutter source — yours to own |
| Customisation | Brand + config (categories, pricing, commission) | Full — any scope, including new verticals |
| Multi-store | Single store (upgrade to Multi-Store at $1,999) | Any architecture |
| POS integrations | CSV import baseline | Unlimited bespoke connectors |
| Support | 3 months email | Dedicated project team |
FAQ
Common questions
How is this different from the Multi-Store Grocery App at $1,999?
This $1,500 product is single-store, full-featured — one operator, one branded store, four-role grocery workflow. The Multi-Store Grocery App at $1,999 adds first-class multi-location architecture: per-store catalog, per-store pricing, per-store hours and zones, and a single customer cart that can span stores. If you run two or more grocery locations with separate inventory, start on multi-store. If you run one store (or a chain that shares a single catalog), this is the right tier.
How does inventory sync work — what POS does it support?
Baseline ships with CSV polling: drop a stock file in a watched folder, the backend imports it, and the customer app reflects out-of-stocks within minutes. POS connectors for Square, Shopify POS, and custom REST endpoints are paid add-ons at $25/hr — a new POS adapter is typically a 2–4 week build depending on if your source system pushes updates or needs polling.
How does substitution chat work when an item is out of stock?
The Shopper-Picker scans an item at the shelf; if it's flagged out, the app surfaces the closest match by attribute (size, type, organic flag). The shopper sends a substitution offer to the customer's phone in-app. The customer accepts, rejects, or asks for refund-only. If no reply within 60 seconds, the system falls back to the customer's saved default (closest match / refund / always-ask). It's the single most under-built feature in cheap grocery scripts and the one buyers regret skipping.
Is the app multi-language?
Yes — the Flutter apps use Dart's intl package and the backend stores localised category and product names. Two languages ship configured (English + Hindi); additional languages are a configuration job, not a customisation.
What payment processors are supported?
Stripe, Razorpay, and COD (cash on delivery) ship out of the box. Apple Pay and Google Pay route through Stripe. Additional gateways (PayU, Paystack, Mercado Pago) integrate at $25/hr — usually 1–2 weeks per gateway.
What's the source code stack?
Flutter and Dart for the Customer and Delivery Boy mobile apps. Angular for the web storefront and admin dashboard. Node.js for the backend API. MongoDB for the database. Firebase and OneSignal for push notifications. Google Maps for delivery routing and tracking. Stripe for card payments, COD for cash on delivery. No React Native, no Ionic, no PHP.
How fast can I launch a readymade grocery app from this source code?
4–6 weeks end-to-end is typical: branding and configuration take 1–2 weeks, store submission to App Store and Play Store takes another 2–3 weeks of review and revisions, plus a buffer for payment gateway business KYC. With developer experience already in Flutter and Node.js, the configuration phase alone is 5–7 days.
Can I switch to the Multi-Store Grocery App later if I outgrow the single-store build?
Yes. Because you own the source code, the upgrade path is a data migration and a backend schema upgrade — not a rip-and-replace. Most operators who start on the $1,500 single-store tier and grow into multi-store engage our team for the migration at $25/hr, which is materially cheaper than buying both tiers upfront if you don't need multi-store on day one.
Ready to ship?
Get the source code — start in days
$1,500 Single Extended License. Flutter source code for iOS + Android. Customise, rebrand, and launch.