Mobile application development

We need only the frontend development of an iOS, Android Application, its around 20 screens and the app includes maps interaction, backend connection and development will be on our side, we already ha We need only the frontend development of an iOS, Android Application, its around 20 screens and the app includes maps interaction, backend connection and development will be on our side, we already have al the design and we will provide any image, color or icon. The app must be working on tablet sizes and phone sizes, we estimat...