Where can you hire the best mobile developer at a great cost with proper support?

I guess you should bare in your mind the final product you want to get and its functionality. I would rather recommend to get a consultation from some experts https://www.kubaslabs.eu/ about cost to design an app You see, It is always better to work with some dedicated team to build a successful product you need with extensive knowledge and work experience. I`m pretty sure you`ll take the best decision. Good luck

Cool idea

Thank you for the reply