Grocery delivery app development for stores and dark stores
Customer, picker and rider apps plus a store dashboard, with live stock, delivery slots and substitutions. Built for supermarkets, local chains and quick commerce startups.
Groceries are harder to deliver than restaurant meals: thousands of products, items sold by weight, stock that changes by the hour and orders that must be picked accurately. ZedBlu's grocery delivery app development starts from a platform that already handles this, with customer, picker and rider apps and a store dashboard.
Run it as a single supermarket's online store, a multi-store chain where each outlet sells its own stock, or a quick commerce service fulfilling orders from dark stores within a short radius. If you are planning quick commerce app development, the dark store tools are already part of the platform.
Choose a monthly subscription to our white label grocery delivery app, a one-time license that hands you the codebase, or a fully custom build. We load your catalog, connect your stock source and support the platform after launch.
Everything you need to run it
Customer app
An online grocery delivery app where shoppers search a large catalog, filter by brand or diet, buy by piece or weight, save repeat lists, pick a delivery slot or express delivery, and approve substitutions. Wallet, coupons and quick reorders keep weekly baskets coming back.
Picker app
Store staff get a pick list sorted by aisle, scan barcodes to confirm each item, enter actual weights for loose produce, and propose substitutions when something is out of stock. Packed orders move straight to the rider queue.
Rider app
Riders see packed orders ready for pickup, follow an optimized route, collect cash or confirm prepaid orders, and capture proof of delivery with a photo or OTP. Multi-drop trips cover several nearby orders in one run.
Store dashboard
The online grocery store software your team runs daily: catalog, prices, stock per store, delivery slots and capacity, zones, promotions and staff. Live boards show orders waiting to be picked, packed or dispatched.
Features that do the heavy lifting
Delivery slots and capacity
Offer time slots per zone with order caps, so a slot closes once your pickers and riders are fully booked. Express delivery can switch on for nearby addresses during set hours.
Real-time inventory
Stock levels update as orders are placed, picked and returned. Sync with your POS or ERP keeps the app and the shelf in step, and out-of-stock items hide automatically.
Weight-based pricing
Sell produce, meat and cheese by weight with an estimated price at checkout and the final amount adjusted after picking. Customers pay only for what was actually packed.
Substitution preferences
Shoppers set a preference per item: replace with a similar product, call me first, or remove it. Pickers see the choice instantly, and customers approve any change in the app.
Dark store operations
Bin locations, putaway, cycle counts and replenishment alerts turn the dashboard into dark store management software for quick commerce teams. Pick paths follow your shelf layout to keep picking times short.
Multi-store catalog
One master catalog with store-level prices, stock and assortment. Customers automatically shop from the nearest store that serves their address, and each outlet manages its own availability.
Promotions and bundles
Buy-one-get-one deals, combo packs, cart-value offers, free-delivery thresholds and bank or wallet offers, scheduled in advance with budgets and usage limits.
Subscriptions and repeat orders
Daily milk and bread or weekly fruit boxes on a subscription calendar, with pause, skip and vacation mode. Wallet balances pay for recurring deliveries automatically.
Expiry and batch tracking
Record batches and expiry dates for packaged goods, prompt pickers to send older stock first, and get alerts before items go out of date so they can be discounted or cleared.
Bulk catalog import
Import thousands of products from a spreadsheet or your POS, with images, barcodes, units and tax rates. Bulk price updates take minutes instead of a day of manual edits.
Business benefits
Sell your full aisle online
Catalog import, store-level stock and weight-based pricing let you list the range your shoppers actually buy, not a trimmed selection that sends them elsewhere for the rest of the basket.
Fewer wrong and missing items
Barcode-confirmed picking, substitution preferences and photo proof of delivery cut down the mistakes that lead to refunds, support calls and customers who quietly stop ordering.
Capacity you can plan
Slot caps and live picking boards match the orders you accept to the staff you have, so promised delivery times hold up on a Saturday rush as well as a quiet Tuesday.
Your customers, your data
A branded grocery ordering app means basket history, preferences and contact details belong to your business, ready for personalized offers and subscriptions instead of sitting with a third-party marketplace.
Three ways to launch
From demo to launch
Built on a modern stack
Related solutions
Services that go with it
Grocery Delivery App: FAQ
What does grocery delivery app development cost?
The price depends on your buying option and scope. A subscription keeps the initial outlay small, a one-time license means one bigger payment upfront, and a custom grocery platform with customer, picker and rider apps typically costs $10,000 to $80,000+, with multi-store setups toward the upper end. Catalog size, POS or ERP integration, dark store tools and subscriptions are the biggest drivers. Once we have talked through your catalog and stores in a free consultation, we price the work as a fixed quote.
How soon can our grocery app go live?
Most of the time goes into your catalog rather than the code. With clean product data, a branded launch on our platform typically takes five to eight weeks, including testing and app store review. Messy catalogs, several stores or a POS integration can add a few weeks, and a fully custom quick commerce build usually takes four to six months.
Can it sync stock with our existing POS or ERP?
Yes. We connect through your POS or ERP's API, or through scheduled file imports if no API exists, so prices and stock update automatically. Orders placed in the app can reduce stock in your back office too. During the demo we check which system you use and how often it can sync.
Does it support GST, VAT and local payment methods?
Yes. Tax rates are set per product, and invoices are built to support GST in India, VAT in the UK, EU and Gulf states, or sales tax where it applies. We add Stripe, Razorpay or a regional gateway, plus card or cash on delivery and wallets. Each market can have its own currency and storefront language.
Can we run quick commerce from dark stores?
Yes. Dark store mode adds bin locations, putaway, cycle counts and replenishment alerts, and limits each store's delivery radius so promised times stay realistic. Orders route to the dark store covering the customer's address, and pickers follow optimized pick paths. Dark stores and regular supermarkets can run on the same platform.
How are weight-based items charged?
Customers see an estimated price for items sold by weight. The picker enters the actual weight when packing, and the final charge adjusts automatically, with any difference refunded to the wallet or card on prepaid orders. The receipt shows both the ordered and packed weight, which keeps billing transparent and reduces support calls.
See it live.
Book a free demo.
We'll walk you through the platform with your own use case and show exactly how it would look with your brand.