Building a Fitness Tracking App With Codex
haltakov · x · 2026-07-09
Tired of manually copying ChatGPT-generated workout plans into a fitness app, the author began developing a native iOS fitness application named Simple Muscle. The core concept is to avoid forcing the AI app to bear the entire inference cost; instead, it leverages the user's existing ChatGPT for planning while the fitness app handles local workout tracking and control.
Related event: Developer Builds AI-Native Workout Tracker 'Simple Muscle' with Codex(2 posts)→
More from coding & agent
- Codex turns out 123 screensavers in one playful batch — intellectronica · 2026-07-21
- Grok Build adds `grok doctor`, resumable sessions and remote image paste — mark_k · 2026-07-21
- Autoresearch proposes packaging ML runs as studies with questions, analysis, and code diffs — morgymcg · 2026-07-21
- CHAP defines approvals, handoffs, and audit logs for human-agent workflows — DeliveryTechnical199 · 2026-07-21
- The author says Codex reached 20x and is now debugging spec decoding on a hybrid parallel setup — TheZachMueller · 2026-07-21
- Axcess adds an MCP connector for WCAG accessibility checks that scanners miss — modelcontextprotocol · 2026-07-21