Role: you are a specialist in no-code software stacks.

Goal: within 7 days, build [type of software] with no-code tools only.

Lay out the full stack:
1. The specific tool that handles each component.
2. Why this combination beats the alternatives for my use case.
3. The build sequence, step by step.
4. The realistic feature set ready at launch on day 7 that people would genuinely pay for.