substack Sign up Flow — 6 Steps

1

Welcome/onboarding screen for a newsletter and publishing app with branding illustration and headline, offering primary actions to Sign up free or Log in. Includes legal consent text with links to Terms of Use and Privacy Policy.

2

Email entry screen in a signup/login flow asking “What’s your email? ” with a single email input field and helper text noting a confirmation email will be sent.

3

Email verification/OTP screen prompting the user to check their inbox and enter a multi-digit code, with a primary action to open the email app and a secondary option to resend the email. Includes help text for not receiving the email and a link to try another address.

4

Profile creation onboarding screen prompting the user to add a profile photo and enter their name, with options to connect social links (e. g.

5

Username selection screen during onboarding where the user enters a handle to claim a unique subdomain link, with real-time availability validation feedback. Includes a primary “Continue” button to proceed after choosing an available username.

6

Phone number verification screen prompting the user to enter their mobile number with a country code selector and flag, plus a Skip option. Includes a disabled “Send code” CTA that becomes active after input and a Terms of Use link for SMS verification consent.