There are some low/no code tools for generating HTML or react components, but at some point you need to glue it to your backend and tie things together. That te

There are some low/no code tools for generating HTML or react components, but at some point you need to glue it to your backend and tie things together. That tends to be most of the work. You also probably need the whole account signup/login flow, billing, and other fun things, which generally need their own UIs. There there are more options, like using the Amazon Cognito UIs, but it still tends to be surprisingly involved.