Hi to you all. First post here I'm new to ios app development and I like to hear from you what is your concept for a user based application (register/login). I noticed many application request: username, password, email but does not confirm the email address. That is great for the user but what if he will need to retrieve the password in the future? In addition do you use a userID so you won't drive your user crazy looking for a unique username? And what about the login issue, do you save in the local user data isSignIn bool or all the details? Any other ideas you have I'd be happy to hear. No code needed just a general concept of what is acceptable doing in ios devices. Thank you all in advance!