Comparisons
AI App Builder Built-In Auth (2026): Whose Login Screen Are Your Users Signing Into?
Built-in auth is a yes on seven of eight AI app builders in 2026, so it decides nothing. A primary-source comparison on the three questions that do: whose brand is on the consent screen, whose account your user creates, and what the second week costs. Plus the correction that Webflow removed its built-in auth in January 2026.
12 min read107