Key Features of an E-Commerce App:

1. User Authentication: Secure login and sign-up processes, typically using email/password or social media login, to ensure personalized user experiences.
2. Product Catalog: A comprehensive list of products with detailed descriptions, prices, images, and categories to help customers browse and find items of interest.
3. Search and Filter Options: Advanced search capabilities and filters (by price, size, color, brand, etc.) to make it easy for customers to find what they are looking for.
4. Shopping Cart: The ability to add items to a virtual shopping cart, view selected products, and proceed to checkout.
5. Payment Integration: Secure and varied payment options, such as credit/debit cards, digital wallets (e.g., PayPal, Apple Pay), and even cash on delivery.
6. Order Management: Allows users to view order history, track shipments, and manage their purchases.
7. Push Notifications: Alerts for new deals, order status updates, promotions, and reminders for abandoned carts.
8. Ratings and Reviews: Customers can rate products and write reviews to share their experiences, which influences future buyers.
9. Customer Support: In-app customer service features, like chat support or FAQs, to help resolve user issues quickly.
10. Personalized Recommendations: AI-driven algorithms that suggest products based on user preferences, search history, and past purchases.
11. Social Media Integration: Allowing users to share products on their social profiles or use social logins for easier access.
12. Security Features: Secure data protection, encryption, and authentication protocols to ensure user data and financial transactions are safe.