Why Okta has different UI between paid tenant vs developer private tenant when creating a new app integration?

I realized that the user interfaces in my personal developer tenant and in my org paid tenant are different. which one should I use for development? I do not want to mess up the paid tenant which many applications are configured.

when creating a new app integration, the developer tenant has SWA option(SWA - Secure Web Authentication Okta-specific SSO method. Use if your application doesn’t support OIDC or SAML.) while the paid tenant does not