App tò compare

I'd like tò find a developer for an app that Will have tò compare offers catching information from various sources and for various product. The result for the finale customer shoild be different basket with details related to the best offer of various products.
On top of that there should be additional additional features to include fidelity card storage and other elements.
I'll be more accurate in sharing details once I'll have chosen the developer.

Thanks for tour feedback.