Developer Builds AI-Native Workout Tracker 'Simple Muscle' with Codex

To eliminate the hassle of manually syncing ChatGPT-generated workout plans, a developer is building Simple Muscle. Built using Codex, this native iOS app allows AI assistants to directly control a native workout tracker.

2026-07-09 ~ 2026-07-09 · 2 related posts

• Building a Fitness Tracking App With Codex — haltakov · 2026-07-09
• Building an App That Lets ChatGPT Control Your Fitness Tracker — haltakov · 2026-07-09