It depends on a variety of factors, such as modularity, complexity, the number of features required, and so on. Usually, it will take 2 to 3 weeks to build a simple app and an extra couple of weeks for a medium complex app. With a highly advanced app, our web development developers need around 2 to 3 months, or even more. Please get in touch with TECHVIFY’s expert developers if you want an accurate estimate. We provide free consultation and give details based on your demands.