Ecommerce Mobile App Development

Over 70% of online purchases in India happen on mobile. For growing e-commerce brands, a dedicated shopping app is not a luxury — it is the highest-retention, highest-conversion channel available. Push notifications bring customers back; biometric checkout removes friction; offline browsing keeps customers engaged. At Core Chunk, we build native and cross-platform shopping apps for Indian e-commerce brands that are ready to invest in their most important customer relationship channel.

React Native for Most Brands: One Codebase, Two Platforms For most e-commerce businesses, React Native is the right choice: a single TypeScript codebase delivers 98% native performance on both iOS and Android, shared business logic reduces development time by 40-50%, and updates ship simultaneously to both platforms. The user experience is indistinguishable from a native app on both platforms — smooth 60fps animations, native navigation, biometric authentication, and deep device integration.

Product Browsing and Discovery A great shopping app makes product discovery effortless. We build intelligent search with autocomplete and recent searches, visual category navigation with high-quality imagery, personalised recommendations based on browsing history and purchase patterns, wishlist and saved items with cross-device sync, and product detail pages with swipeable image galleries, size guides, and review summaries. Every element is optimised for one-handed use on a 6-inch screen.

Mobile Checkout: Designed for Maximum Conversion The mobile checkout is where most apps lose sales. We build a streamlined, maximum-3-step checkout: address auto-fill from Google Places, saved payment methods with one-tap reorder, UPI intent-based payment (directing to PhonePe, Google Pay, or Paytm with zero friction), biometric payment confirmation (FaceID/TouchID), and Apple Pay / Google Pay for the fastest possible checkout. The result is a checkout that converts at 20-40% higher than a mobile web checkout.

Push Notifications and Retention The app's most powerful feature is its ability to bring customers back. We implement behavioural push notifications: abandoned cart reminders (sent 1 hour after cart abandonment), price drop alerts for wishlisted items, back-in-stock notifications, order status updates at each fulfilment milestone, flash sale and new arrival announcements, and personalised product recommendations. All notification campaigns are A/B tested for timing and content to maximise open rates.

App Store Optimisation (ASO) Getting your app built is only half the job. We handle complete App Store Optimisation: keyword-rich title and description writing, localised metadata for regional Indian languages, high-conversion screenshot design showing your app's key buying moments, and A/B testing of store listings. A well-optimised App Store listing can increase organic installs by 30-50% without any paid acquisition.

Razorpay, PhonePe & UPI Deep Integration Indian payment integration in mobile apps requires specific SDK implementations. We integrate Razorpay's mobile SDK, PhonePe's intent flow, UPI deep linking, and saved card tokenisation — handling the complete payment flow natively within the app without redirecting to a browser. We implement payment retry logic, fallback gateway routing, and real-time payment status webhooks for accurate order confirmation.