Back to Daily Vibe CodeDay 4 of 30
Build a Tip Calculator
Beginner 15minmobile
The Prompt
Build a mobile tip calculator with bill input, tip percentage selector, and split-between-people.
What you'll learn
Prompt crafting
Turn a one-line idea into a clear build brief an AI can execute.
Rapid prototyping
Ship a working version in under an hour — speed over polish.
Core UI patterns
Practice the layouts and components every app relies on.
Shipping fast
Build the habit of finishing and sharing what you make.