InstApp Commerce

Completed

InstApp Commerce is a native iOS social commerce platform that combines messaging, store promotions, and shopping cart functionality.

It includes real-time chat, peer-to-peer product recommendations, dynamic discount calculations, multi-store browsing, and a full checkout flow with tax and shipping calculations.

Built with: Swift, UIKit, Core Data, MessageKit, StoreKit, Push Notifications, and Core Animation.

Screenshots

InstApp chat interface
InstApp promotion screen
InstApp shopping cart

Links

InstApp chat interface
InstApp promotion screen
InstApp shopping cart
Product demo

Commerce flow Link to heading

  • Messaging, discovery, cart, and checkout are composed as independent feature modules.
  • Promotion rules are evaluated before cart totals to ensure accurate discount stacking.
  • Checkout computes tax and shipping through a deterministic pricing pipeline.

Real-time layer Link to heading

  • Chat and product recommendation events are delivered over a live updates channel.
  • Push notifications are generated from message and order milestones.