Ready to use On-Demand Delivery App

I need an already developed on-demand delivery app like Bolt and Uber that's already developed for both iOS and Android. Kindly share the demo link. I am ready to purchase the application.

Key Requirements:
- Integration of real-time tracking
- Implementation of a robust payment gateway
- Establishment of user reviews and ratings system
- It should have functionalities akin to those of Bolt and Uber