The short answer
Do not wait for users to arrive. Pick one narrow user type, write one clear promise, create one conversion path, and spend the next week testing channels where those people already ask for help.
Answer
What should I do after vibe coding an app?
After vibe coding an app, the next job is distribution: clarify who it is for, turn that into a landing page, find live conversations where the problem already appears, and run daily outreach and content experiments.
How Wally helps
Wally researches the product and market, suggests likely audiences, finds distribution opportunities, drafts posts and replies, helps build landing pages, and keeps the growth work moving every day.