Real Estate Marketplace Mobile App Development with Paid Listings

We are seeking an experienced mobile app developer or team to create a comprehensive real estate marketplace application. The primary functionality will allow sellers to list their properties for sale or rent, with a key feature being a payment system for listing submissions. Buyers will be able to browse, search, and filter properties based on various criteria.

Key features required:
- User registration and profile management for both sellers and buyers.
- Intuitive property listing creation for sellers, including photo uploads, detailed descriptions, and location tagging.
- Secure payment gateway integration for sellers to pay for property listings.
- Advanced search and filtering capabilities for buyers (e.g., Location, price range, property type, number of bedrooms/bathrooms).
- Detailed property view with images, descriptions, agent contact information, and map integration.
- Favorite listings functionality for buyers.
- Admin panel for content moderation, user management, and transaction oversight.

The app should be developed for both iOS and Android platforms, ensuring a seamless and responsive user experience. We are looking for a robust, scalable, and user-friendly solution.