Yes, we offer dedicated mobile application design services for both iOS and Android systems for better user experiences.
The time frame is determined by the complexity of the project but usually can be a couple of weeks to a number of months.
Responsive design makes it possible for your website or application to resize appropriately on different devices or screen sizes for the best user experience possible.
Indeed, optimizing the visual and operational aspects of a website, also known as user interface and user experience respectively, can be very effective in boosting time on site while lowering bounce rates thereby enhancing the SEO of the website indirectly.