Developer Uses Claude AI to Build PosturePal Posture Scanner App

A developer has shared their experience building PosturePal: Posture Scanner, an iOS app that uses AI to analyze posture from side profile photos. The developer credits Claude AI with playing a significant role in getting the app across the finish line, particularly useful for a solo developer wearing multiple hats.
How Claude Was Used
According to the developer, Claude assisted in several key areas beyond just coding:
- Validating the initial app idea
- Writing approximately 99% of the code through "vibecoding"
- Thinking through product decisions and feature implementation
- Refining how the app communicates feedback to users
- Writing clear, non-alarmist copy for health-related content
- Discussing edge cases that hadn't been previously considered
App Features
PosturePal offers several specific features:
- AI analysis of posture from side profile photos
- Posture scoring system
- Breakdown of specific posture issues including forward head posture and rounded shoulders
- Daily exercise generation tailored to individual findings
- Weekly check-ins to track progress over time
The app is currently available for free on the Apple App Store. The developer built the app solo and found Claude particularly helpful for handling multiple aspects of development simultaneously, from technical implementation to user experience considerations.
📖 Read the full source: r/ClaudeAI
👀 See Also

Developer Builds Full ERP System with AI Assistant Using Claude and Gemini
A developer created a full ERP platform called AXIO with 9 modules and an AI assistant that executes voice commands using Gemini 2.5 Flash with 16 function-calling tools. The system was built with Next.js 14, TypeScript, and Supabase in 3 weeks through 'vibe-coding' with Claude.

Reddit user shares experience with AI agent building a Next.js project overnight
A developer on r/openclaw gave their AI agent an open-ended task to build a project from scratch overnight, documenting what the agent handled well versus where human intervention was required. The agent successfully scaffolded a Next.js project, wrote content, managed Git operations, deployed to Vercel, and iterated on design with feedback.

Developer builds 3,106-line Python desktop app with Claude Code in 3 weeks, no prior coding experience
A developer with zero Python knowledge built a 3,106-line desktop application in three weeks using Claude Code, describing features section by section through a 500,000+ character conversation. The app handles content sourcing, logging, metrics tracking, research, gamified milestones, and remote triggering from a phone.

How AI Agents Apply Cognitive Principles Consistently in Development Workflows
AI agents can operationalize four layers of cognitive principles—epistemic foundations, execution principles, leverage principles, and system design—with relentless consistency across personal, nonprofit, and community governance tasks.