Vibe Coding: How a Non-Developer Built a Calorie Tracking App with Claude in 3 Hours
A Reddit user on r/ClaudeAI describes building a custom calorie tracking iOS app using vibe coding — writing plain English prompts to Claude, which generates markup files dropped into Xcode. The process took three hours with zero prior dev experience.
How It Works
- The user writes a natural language description of a meal (e.g., “1 chicken breast in home made bbq sauce with ketchup, brown sugar, worcestershire sauce and spices and 1 medium sweet potato”).
- The app calls the Claude API to return calorie estimates, reasoning, and a confidence level.
- UI is built with SF Icons and Pills — Apple's native design components.
- A daily graph shows calories and average intake.
Planned Feature
Next step is pulling weight data from Apple Health to correlate eating habits with weight changes — all within the same subscription-free app.
Key Takeaway
Claude's ability to generate Xcode-ready markup files from conversational prompts lowers the barrier for non-developers to build fully functional iOS apps. No subscription fees; just the Claude API cost.
📖 Read the full source: r/ClaudeAI
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