App Development: Location & Inventory Tracker

I'm looking to develop a new app that combines functionalities from two existing applications.

Key Features from First App (Solnce):
- User location tracking
- Photo capturing

Key Features from Second App (Vyapar):
- Inventory management
- Billing and invoicing
- Business reports

Ideal Skills and Experience:
- Proficient in mobile app development (Android/iOS)
- Experience with location-based services
- Strong background in inventory and invoicing systems integration
- UI/UX design skills for a seamless user experience
- Knowledge of business reporting tools and analytics

Please provide examples of similar work done.