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## 1. The Gateway (Sign-In & Smart Routing) The app features a single, universal login screen used by everyone. There are no options to log in with Google, Apple, or email—it is strictly WhatsApp-only. * **The Interface:** The screen displays the Pring logo, a text field locked with a "+91" country code prefix where the user types their WhatsApp number, and a large button labeled "Verify via WhatsApp OTP". * **The Behind-the-Scenes Smart Routing:** When that button is pressed, the app runs a hidden condition check: * **If the number typed matches your unique admin phone number:** The app instantly skips the customer verification process and opens a secret "Admin Passcode Screen." This screen presents a secure 6-digit numeric pin-pad layout where you enter your master access code. * **If the number belongs to anyone else:** The app treats them as a standard customer. It instantly triggers an API call to send a 6-digit verification code directly to their WhatsApp chat and opens a standard OTP entry grid page. --- ## 2. The Customer Experience Once logged in, a customer navigates through a highly optimized, localized grocery shopping flow. All pricing throughout these screens is strictly displayed in Indian Rupees (₹). ### Home Dashboard & Search Active State * **Automatic Location Detection:** As soon as the home page loads, the app accesses the phone's native GPS hardware to grab its coordinates. It passes these coordinates through Google Maps to automatically display the text at the top of the screen, indicating the detected location in Kengeri, Bengaluru. * **Category Navigation:** Below the location bar is a horizontal scrolling row of clean, circular category badges ("Fresh Fruits", "Vegetables", "Dairy & Eggs", etc.). Tapping a category instantly filters the main product feed below. * **Active Search Page:** Tapping the search bar transitions the user to a clean, dedicated search screen. This screen actively queries your database index as they type, keeping the main home screen from getting cluttered. * **Product Feed & Sticky Cart:** The main feed is a 2-column grid of product cards. Each card contains the product image, name, unit sizing (e.g., "500g", "1kg"), an availability indicator, and a prominent "+" button. At the very bottom of the screen, a persistent green bar floats over the content, tracking the cart live: `[3 Items] • View Cart • ₹380`. Tapping this bar opens the Cart page. ### Cart, Google Maps Address Manager, & Order History * **Interactive Cart Engine:** On the cart page, users see their items with minus and plus buttons (`- 1 +`). Clicking these buttons adjusts the quantity variables in the device's local memory, which recalculates the item total, adds a fixed ₹25 delivery charge, and updates the Grand Total instantly on screen. * **Google Maps Address Hub:** Below the cart summary is an interactive map box with a draggable pin. Users can drag the pin to pinpoint their exact building. This address is saved as a custom card (like "Home" or "Work") in their profile, featuring a trash icon so they can delete saved locations instantly. * **Order History & One-Tap Reorder:** This section lists all past orders chronologically. Each card shows the placement date, total price paid, and a clear "Order Status Tracker" timeline. Crucially, it features a prominent "Reorder" button. Tapping it copies all the items from that past order back into the active cart and redirects the user straight to the checkout screen. --- ## 3. The Admin Dashboard Once you pass the secret passcode screen using your unique phone number, you enter the operational control center of Pring. This interface completely strips away consumer profile elements, notifications, and unnecessary clutter to maximize efficiency. ### Live Order Queue Panel * This screen is a split-pane dashboard that updates automatically in real time using open database listeners. * **The Left Side:** A continuous scrolling list of active incoming orders. Each order card highlights when new, showing the customer's name, WhatsApp phone number, pinned delivery address, itemized grocery list, payment method (like UPI or Cash on Delivery), and the total order value. * **The Right Side (WhatsApp Status Hub):** When you tap an active order, this panel opens up. It features quick-reply status pill buttons labeled "Order Received", "Packing Items", "Out for Delivery", and "Delivered", alongside a custom text box for typing direct notes to the customer. ### Real-Time Inventory Manager * Accessed via an internal tab, this grid displays your entire product catalog. Instead of being static images, every component on this card is an editable text input or variable switch: * **Editable Text Fields:** You can click directly into the fields on any card to update the Product Name, Description, Price (₹), and Sizing Unit dynamically. * **Order Threshold Controls:** Each card contains distinct "Min Qty" and "Max Qty" input blocks. This prevents customers from ordering fewer than your wholesale minimums or clearing out your stock past your set limits. * **Real-Time Availability Toggle:** A simple boolean switch field labeled "In Stock / Out of Stock". Flipping this switch off instantly hides the product from the customer's home feed in real time without refreshing the app. * **Add & Delete Controls:** Each card has a red "Delete Product" trash can icon that instantly removes the item document from the database. At the bottom right corner of the dashboard sits a floating green "+" button; tapping it slides open a blank template form to input details and publish a brand-new product instantly. --- ## 4. The Automated WhatsApp Notification System Because you want communication handled seamlessly via WhatsApp instead of push notifications, a background system bridges your database activity directly to the Meta WhatsApp Cloud API. 1. **The Admin Alert:** The exact second a customer clicks "Confirm Order" in their app, a new order document is generated in the cloud. A background database trigger instantly detects this new document and shoots an automated WhatsApp message directly to your personal WhatsApp phone number: "New Pring Order Received! Order #1043. Total: ₹495. Open your admin dashboard immediately." 2. **The Live Customer Tracking:** While you are processing orders in your Admin Dashboard, clicking any of your quick-status pill buttons triggers a background update. * Tapping `[Out for Delivery]` updates the database status field to "Out for Delivery". The customer's active order tracking page updates on their screen instantly. * Simultaneously, the app automatically sends a pre-approved template message directly to the customer's WhatsApp number: "Good news! Your Pring order #1043 has been packed and is now out for delivery!" * Tapping `[Delivered]` sends a final automated WhatsApp follow-up: "Your Pring order #1043 has been successfully delivered. Thank you for shopping with us!"
Project ID: 40532099
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27 freelancers are bidding on average ₹8,685 INR for this job

Hi I have read your requirements and I am sure I will be able to help you. Please message me so that we will have detail technical discussion. I have 9+ years of combined experience in Mobile Application development, Website development, Desktop application development, 3rd party Artificial Intelligence api, AR/ VR, Chatbot, Blockchain- Cryptocurrency, CRM & ERP, Game Development and any other Software development Please consider me and initiate a chat for further detailed discussion. Regards, Anju Logical Soft Tech Pvt Ltd, Indore(M.P)
₹40,000 INR in 7 days
6.6
6.6

Hello, I can help you build this WhatsApp-first grocery platform as a full-stack, real-time mobile and admin system using a scalable architecture (Flutter or React Native for the app, Node.js/Express or Firebase backend, and WhatsApp Cloud API integration). I have experience building role-based systems with OTP authentication flows, real-time order tracking, admin dashboards, and live inventory control systems. I can implement your WhatsApp-only login logic with smart routing for admin vs customer flow, GPS-based location detection, live cart updates, and a responsive 2-sided admin panel with real-time order queue management. On the backend side, I can design a clean database structure with real-time listeners so product updates, order status changes, and inventory adjustments reflect instantly across all users. I can also integrate WhatsApp Cloud API triggers for order confirmations, status updates, and automated customer notifications as described. The system will be built with performance, real-time sync, and scalability in mind so it can handle growing orders, products, and users without lag or restructuring later. Best Regards Mahad Sheikh
₹5,000 INR in 1 day
4.9
4.9

As a seasoned Full Stack Developer and Digital Solutions Expert with over a decade of experience in mobile app development, I have all the skills needed to deliver a superior grocery app experience like PRING. From creating universal login systems to implementing complex processes like Smart Routing, keeping security at the forefront, I've seen and done it all. My collaborative approach to problem-solving will help me seamlessly integrate key features like the WhatsApp OTP verification system based on the phone number match and the design of a stable admin dashboard with live order queue panel. Additionally, my work in e-commerce and payment gateway integration perfectly aligns with your project needs of developing a sticky cart experience with live updates and calculative pricing. I'm also well-versed in utilizing mapping tools, similar to Google Maps, ensuring an efficient Address Manager for users. And speaking of users, my passion for creating intuitive UI/UX flow guarantees I'll bring your vision of a highly optimized shopping journey to life. You can count on me for more than just technology; throughout our journey together, I'll offer clear communication, fast delivery, and long-term support. Choose me to work with you in turning your PRING vision into an active, successful reality!
₹17,500 INR in 7 days
5.0
5.0

I understand that Pring is not a simple grocery ordering app but a complete WhatsApp-driven commerce platform with customer ordering, real-time inventory management, order operations, location services, and automated WhatsApp communication. The key challenge is integrating WhatsApp authentication, Meta WhatsApp Cloud API notifications, Google Maps address management, real-time order synchronization, inventory controls, and separate customer/admin experiences within a single application. My approach is to build a scalable mobile application with a real-time backend, secure role-based access, live inventory updates, dynamic order tracking, and automated WhatsApp workflows. The architecture will support operational efficiency, seamless customer experience, and future expansion into payments, delivery tracking, and analytics.
₹80,000 INR in 60 days
4.4
4.4

As an experienced PHP developer with a strong background in HTML, CSS and API integration; your PRING grocery app project aligns perfectly with my skill set. I specialize in creating high-performance, visually appealing and user-friendly applications - traits that are crucial in making your grocery app competitive. My expertise in automatic location detection using GPS will guarantee a seamless experience for users in Kengeri, Bengaluru while browsing your diverse grocery categories (Fresh Fruits, Vegetables, Dairy & Eggs) through the well-designed interface. Furthermore, I've got proficient handle on Google Maps API which will be used to aid easy location identification using a draggable pin. Since users can then save these addresses in their profile for quick reorder or delivery, my familiarity with implementing similar features means I understand the nuances of designing them efficiently and practically.
₹1,000 INR in 7 days
3.3
3.3

Hello, I have read your's project description and analyze your requirements .I am a flutter developer .I can develop your complete app android ,ios and web. This is basically a grocery delivery app with an admin panel and WhatsApp integration. For that purpose i require from you .Firebase only ,If you have backend to communicate with whatsApp that's fine Else i use node.js in function that is present in firebase . All your's requirements are full filled. Further discussion in chat . Waiting for your's response.
₹1,000 INR in 1 day
3.1
3.1

Based on the detailed workflow, I estimate a production-ready MVP at USD 3,000–5,000. If budget is a concern, I would recommend launching with a lean Phase-1 version focused on ordering, inventory management, and WhatsApp automation, then adding payments and advanced features in Phase 2. This reduces initial investment while allowing you to validate the business model quickly.
₹3,000 INR in 40 days
2.1
2.1

As a highly seasoned full-stack developer with extensive experience in front-end and back-end development, I bring to the table the profound skills that will ensure your PRING grocery app is robust, user-friendly and delivers a top-notch performance. From designing interactive interfaces using technologies like React.js and Vue.js to creating scalable back-end systems using Node.js, I have proved my ability to infuse creativity into seamless functionality. That's not all, my expertise extends tauretting mobile platforms using React Native and Flutter. Considering my strong proficiency in database management leveraging MongoDB, MySQL, PostgreSQL and Firebase, I am confident that I can handle the complicated processes necessary for the project such as customer verification process through WhatsApp chat seamlessly. Furthermore, I have extensive knowledge of Google Maps which will help me create dynamic features like automatic location detection which is essential for an efficient grocery app like PRING. With an exceptionally high client satisfaction rate in over 42 countries on more than 1000 projects, I assure you of my commitment to deliver beyond your expectations. My quick response time, fluent English communication skill and endless support across different time zones make me the ideal person to choose for this project. Let's combine our passion to bring your PRING app to life in superb fashion.
₹2,500 INR in 7 days
0.0
0.0

Could you clarify any specific features or functionalities you’d like prioritized in the app? The concept sounds exciting and very user-centric! I can create a seamless WhatsApp-only login experience and a streamlined customer journey, ensuring quick navigation and an efficient shopping flow. My expertise in integrating API solutions and developing interactive dashboards will enhance user engagement and operational efficiency. With over 5 years of experience in mobile app development and a strong background in database connections, I can ensure that the app meets your vision while providing an intuitive interface.
₹2,500 INR in 3 days
0.0
0.0

With a perfect blend of technical depth and strategic thinking, I bring the ideal set of skills to design, develop and optimize the Pring grocery app. Having delivered similar solutions for international clients previously, I'm well-versed in building ??? optimizing ???? products that cater to every need and situation. My solid API development skills will ensure effective communication channels between the app and necessary third-party applications. I differentiate myself from other developers by taking an AI-first approach to my work which entails enhancing the intelligence and automation in every single aspect. In this case, optimized routing, automatic location detection using GPS, localized search and many more features can be AI-driven to further simplify your customers' experience. Moreover, my expertise extends beyond front-end applications; I can proficiently build scalable back-end systems too. The admin dashboard is where I really excel. Having built various operational control centers in my previous projects, I understand the importance of a clean, efficient interface.
₹4,000 INR in 2 days
0.0
0.0

Hi, This project aligns well with my experience, and I'd be happy to help. I focus on delivering professional, reliable work with strong attention to detail and clear communication throughout the project. My goal is always to provide a solution that is both effective and easy to maintain. I look forward to learning more about your requirements. Regards, Christopher Olivier
₹2,500 INR in 7 days
0.0
0.0

Hello, Your project caught my attention because it combines grocery commerce, real-time operations, and WhatsApp automation into a single platform. The WhatsApp-first approach for authentication and customer communication is particularly interesting and can create a seamless experience for both customers and administrators. I am a Flutter Developer with 2 years of experience building mobile applications using Flutter, Firebase, Google Maps, authentication systems, real-time databases, and API integrations. I can develop the complete Pring solution, including: • WhatsApp OTP login with secure admin access • Customer app with location detection, search, cart, and order history • Google Maps address management with saved locations • Real-time cart calculations and one-tap reorder • Live order tracking and status updates • Admin dashboard for orders, inventory, and product management • WhatsApp Cloud API integration for automated notifications • Real-time synchronization using Firebase I focus on building clean, scalable, and maintainable applications with a smooth user experience and reliable backend architecture. I would be happy to discuss the workflow, timeline, and technical approach to ensure the first version is delivered efficiently and ready for future growth. Looking forward to working with you. Best Regards, Bhumi
₹4,500 INR in 10 days
0.0
0.0

As a seasoned Full Stack Flutter Developer, I'm ecstatic about your PRING grocery app project! My expertise fits hand-in-glove with the job description. I have vast experience with Android and iOS development using Flutter, which aligns perfectly with PRING's need for a uniform login system based exclusively on WhatsApp authentication. Moreover, my proficiency in Google Maps API makes me the ideal candidate to seamlessly incorporate automatic location detection as well as Google Maps Address Hub for personalized addresses. Additionally, I'm well-versed in Payment Gateway Integration to smoothly facilitate your customers' transactions. With a sharp eye on UX/UI design, I'll ensure each screen presents prices strictly in Indian Rupees (₹) for an enhanced shopping experience. In addition to these crucial features, the Admin Dashboard you mentioned is right up my alley as I excel in building robust admin panels. I've developed similar dashboards before that effectively eliminated clutter while maximizing efficiency. My skillset encompasses Firebase integration, including real-time chat and notifications features that can truly bring your Live Order Queue Panel to life. Working with me guarantees clean and scalable code, fast communication, daily updates, long-term support, and most importantly - on-time delivery. Let's create something incredible for PRING together!
₹3,000 INR in 7 days
0.0
0.0

Hi, I can build your complete grocery delivery app with WhatsApp authentication, admin dashboard, inventory management, Google Maps integration, and real-time order tracking. Experienced with FlutterFlow and Firebase. Ready to start immediately. Best regards, Subhayan
₹2,000 INR in 3 days
0.0
0.0

Hi there, Here is my approach. I will build Pring using Flutter for the mobile app, Firebase Firestore for real time data sync, Firebase Functions as the backend trigger layer, and the Meta WhatsApp Cloud API to handle all OTP and order notification messages. One thing I always do on projects like this is set up the admin routing logic and database listeners first so the whole system has a solid base before any UI work begins. I already did this type of work before for someone where I built a Flutter and Firebase app with real time updates and live data syncing across users and it was deployed and actively used by a real client. Let us get started and I just want to confirm one thing before I begin. Do you already have a Meta WhatsApp Business account with an approved phone number and API access set up, or do you need help getting that approved first since that approval process can sometimes take a few days and it affects the OTP and notification features?
₹3,000 INR in 7 days
0.0
0.0

Bengaluru, India
Member since Jun 22, 2026
$15-25 USD / hour
min $50 USD / hour
$15-25 USD / hour
$100 AUD
$750-1500 USD
£2-5 GBP / hour
₹12500-37500 INR
$250-750 USD
₹600-3000 INR
$15-25 USD / hour
₹1500-12500 INR
₹1500-12500 INR
$750-1500 USD
₹12500-37500 INR
$15-25 USD / hour
$250-750 USD
$250-750 USD
₹12500-37500 INR
min $50 USD / hour
$2-8 AUD / hour