Authentication apps need a user to log in to provide full app functionality. The app development cost for this type increases since there are many subordinate features. Here, the user has a personal account and interacts with the data, which is synchronized among devices. This also requires a corresponding admin panel for content and user management.
It is advisable to employ registration via social networks (Facebook, Twitter, etc). This is a one-step procedure that is quicker to implement. Our team has vast experience in developing apps with login functionality.