In my limited experience, no-code tools are really great for idea validation & prototyping because you can get to the core of your value proposition faster than starting from scratch. As things scale, maybe you can't rely on V1 as much, but that can be a good problem to have.
One company that started on Bubble is Qoins. https://bubble.io/blog/bubble-app-qoins/
Qoins have raised $2.3m according to Crunchbase https://www.crunchbase.com/organization/qoins/company_financ...