Customizable GroFast | Grocery Delivery App
An ideal delivery application starter kit that is simple to use, scale, and maintain. The frontend is built using Flutter, and the backend is developed with Node.js, Express.js, TypeScript, GraphQL, Hasura, and PostgreSQL. It can be customized to any delivery & services-based application according to your needs.
About the Fully Customizable Food and Grocery Delivery App
Grocery delivery applications have become an essential part of our lives. The market is filled with various types of apps — Swiggy, Zomato, and Grofers — with multiple functionalities.
Grofast — a grocery delivery app starter kit is a fully customizable solution with ready-to-use screens for users with easily configurable application design, and the right UX for a service-based app.
{"@context":"https://schema.org","@type":"VideoObject","name":"Build Fully Custom Grocery And Food Delivery App Like Zomato","description":"Build a customizable Grocery and Food Delivery App like Swiggy and Zomato for iOS & Android to fast-track your app development process by 2X. Hire us now!","thumbnailUrl":"https://minio.local.geekydev.com/geekyants-v5-media/media/2026/08/a27a90d7-bc92-4826-b440-13596829be96.png","uploadDate":"2023-03-31","duration":"PT1M22S","contentUrl":"https://minio.local.geekydev.com/geekyants-v5-media/media/2026/08/a27a90d5-92bb-4a66-9732-90465f760b1e.mp4","publisher":{"@type":"Organization","name":"GeekyAnts"}}
Main Modules
Grocery Purchase Flow for Users
Users are given an easy-to-use purchase flow. Items can be searched, added, and categorized easily. The checkout flow is also interactive.
Order Checking for Vendors
Vendors can check orders in real-time using the vendor features of the application. They can sort out payment flows, manage orders, and interact with customers if needed.
Product Search and Vendor Selection
The UI is made to ensure that items can be sorted out fast through easy filtration options. Each item can be filtered based on requirements and vendor preference.
Online Wishlist Management
Items can be added later to the wishlist. There is an option in the order window to wishlist items with just a button press. Adding to the cart is also possible.
Online Cart Management
The cart can be managed intuitively. The UI is modern and created with essential features. Checkout contains all the popular payment options.
Features
Grofast was made considering ease of utility, combined with rapid functionality. It offers the features that similar apps provide.
Guest and User Authentication
Customer App Features
Checking users as they log in to verify whether they are the genuine owner of the account or not. Multiple options available for authentication.
Product and Category Listing
Customer App Features
Users can choose between products using various prebuilt categories and filter options. Multiple segments available.
Wishlist Management
Customer App Features
Users can create multiple wishlists to keep tabs on their favorites for future purchases. There is an easy transfer to the cart.
Payment Integration (Razorpay)
Customer App Features
The payment journey is integrated with Razorpay for easy checkout. There are multiple modes of payment options available.
Order and Cart Management
Customer App Features
Users can manage their orders and cart easily with interactive buttons. They also have multiple options to choose from for the segmentation and filtering of orders.
Sending Push Notifications
Customer App Features
Users can get push notifications for order updates, delivery timelines, dispatch and other important activities. Customization available.
Email Integration
Customer App Features
The app can send messages to the user's email regarding key updates. This allows the user to stay updated with the order.
Address Management
Customer App Features
Users can add, remove, or edit their current addresses. The window is easy, intuitive, and simple to use.
Live Order Tracking
Customer App Features
Users can track their order dispatch and journey easily. There is a vibrant, map-based display that marks the order’s route.
Vendor Authentication
Vendor App Features
The application allows the authentication of vendors through multiple channels. The vendor can choose a route at their convenience.
Order and Inventory Listing
Vendor App Features
The inventory window is made interactive and can handle a high surge of orders. It delivers good performance, whatever the catalog size.
Inventory Management
Vendor App Features
Features are present for inventory management as a vendor for ensuring easy restocking and addition of products.
Order Management
Vendor App Features
Management of order is simplified with customizable layouts and intuitive UI. The theme can be customized as per brand guidelines.
Sending Push Notifications on Each Order Status Change
Vendor App Features
Users can be sent messages and notifications based on their requirements. There are options to edit the delivery of messages.
File Upload (Upload Images for Products)
Vendor App Features
Vendors can upload product images easily. The flow is easy and can be customized to accommodate business workflows.
Technologies Used
We used a combination of tech stacks to create a fast application with great UI and UX.
Flutter
Front-end & Front-end Dependencies
This was used for the frontend for its great performance and support. It provides hot-reload functionality that displays code changes in real time, leading to faster development.
FirebaseCore
Front-end & Front-end Dependencies
Useful for authentication, real-time databases, and cloud storage. It offers a user-friendly dashboard that simplifies application management and troubleshooting.
Dio
Front-end & Front-end Dependencies
It is a powerful and flexible HTTP client to make network requests. It also has interceptor support, which allows the addition of custom logic to requests and responses.
Hive
Front-end & Front-end Dependencies
This is a lightweight and fast NoSQL database that provides simple and intuitive APIs for data storage and retrieval. It offers excellent performance and can handle large datasets.
hasura_connect
Front-end & Front-end Dependencies
It provides a simple and intuitive API for querying GraphQL APIs. It offers automatic caching and deduplication of requests, leading to better performance and reduced network traffic.
Riverpod
Front-end & Front-end Dependencies
It is a state management library that simplifies the management and sharing of application states across widgets in Flutter applications. It offers excellent performance and support.
Node.js
Back-end & Back-end Dependencies
This is a powerful and scalable JavaScript runtime for building fast and efficient server-side applications. It also offers a wide range of third-party libraries and tools.
Express.js
Back-end & Back-end Dependencies
This simplifies building RESTful APIs and web applications. It offers a simple and intuitive API for handling HTTP requests and responses.
TypeScript
Back-end & Back-end Dependencies
This is a statically-typed superset of JavaScript that provides better code organization, readability, and maintainability. It offers excellent IDE support and reduces errors.
GraphQL
Back-end & Back-end Dependencies
It provides a strong type of system and a self-documenting API, leading to better collaboration between frontend and backend developers.
Hasura
Back-end & Back-end Dependencies
This is an open-source GraphQL engine that enables developers to build scalable and secure GraphQL APIs easily. It offers excellent performance and supports real-time event triggers.
PostgreSQL
Back-end & Back-end Dependencies
This is used for the relational database system. It provides excellent data integrity and scalability. It also works well with the other tech stacks chosen.
Knex.js
Back-end & Back-end Dependencies
Knex.js is a query builder that makes it easy to interact with PostgreSQL and other databases using a simple and intuitive API.
Firebase-Admin
Back-end & Back-end Dependencies
This is a set of tools and APIs for building and managing Firebase applications from the server side. It provides access to Firebase services such as authentication, messaging, and storage.
Nodemailer
Back-end & Back-end Dependencies
It is a powerful and flexible email-sending library for Node.js. It supports multiple transport options and provides a simple and intuitive API.
Chai and Mocha
Back-end & Back-end Dependencies
Chai is an assertion library that makes it easy to write and maintain tests in JavaScript and TypeScript. Mocha is a flexible and extensible testing framework that supports asynchronous testing.
Multer
Back-end & Back-end Dependencies
This allows easy handling of file uploads in Node.js, including validating file types, renaming files, and setting file size limits. It provides flexibility to handle multiple file uploads.
JWT
Back-end & Back-end Dependencies
It provides secure authentication and authorization mechanisms by allowing the exchange of digitally signed tokens between the server and the client.
Swagger
Back-end & Back-end Dependencies
It simplifies the documentation and testing of APIs by generating interactive API documentation. It supports the easy generation of API client libraries in multiple programming languages.
Can Be Used to Build Apps Similar To
Swiggy Instamart
Zepto
Amazon Fresh
UberEats
Grofers
100%
Themeable
2x
Faster Development
50%
Cost Reduction
Plug & Play
Features
Want to Customise Grocery Delivery App to Suit Your Business Needs?
We can help you do that!
What You Need to Know
Flutter and Node are used for our fully custom food and grocery app development because they are both powerful and flexible frameworks that offer a wide range of features and functionalities.
Flutter offers a fast development cycle, a rich set of customizable widgets, and a hot reload feature that allows for quick testing and debugging. Node.js is a server-side JavaScript runtime that offers a non-blocking I/O model, event-driven architecture, and scalability, making it an ideal choice for building fast and scalable web applications.
Together, Flutter and Node offer a powerful development stack for creating high-performance, cross-platform mobile and web applications.
Absolutely, it can be.
The application is designed to be scalable, 100% customizable with different themes, and capable of accommodating new upgrades. You will encounter no difficulties in achieving your desired application by leveraging the customizable grocery delivery app as a foundation for development. Furthermore, using this app you can reduce development time by 2X, making the process faster and more efficient.
The time required to develop a complete grocery delivery grocery app like Zomato and Swiggy can vary depending on the complexity of the project and the features and functionalities required.
However, as a rough estimate, the average time required to develop a complete grocery delivery app is around 12 to 24 weeks. This time frame includes the development of the front-end and back-end of the app, testing, and deployment.
With an expert team like ours, we can always have you fast-track the application customization.
We can definitely help with upgrading the existing grocery delivery application.
If the upgrade is to be with similar tech stacks, the process will be straightforward and fast. Even if there is a mismatch in tech stacks, we will share a custom solution that matches your business goals.
Our talented team of developers are well-versed in the latest technology stacks. They are core contributors to key front-end technologies such as Flutter and Node, and possess strong skills in using the latest backend frameworks. Our team's industry experience and proven expertise make for an unparalleled combination that creates a winning formula you won't find elsewhere.
The development cost will fluctuate between 15-40k USD, contingent on the complexity of the application and the extent of customization required. Regardless of the circumstances, we can provide a tailor-made solution that will aid in reducing expenses while simultaneously accomplishing the same level of performance envisioned for the application.