Bring your own coachYour coach lives in ChatGPT.
Your coach lives in ChatGPT.
Your training lives here.
Chalk is the clean, simple tracker that syncs straight from your AI coach. No more copying plans between apps — just train and log.
Hypertrophy · MonActive
Push Day A
Bench Press
80 kg10 reps
80 kg9 reps
382 kg8 reps
Three steps, then forget about it.
01
Connect once
Generate your connector link and add it to ChatGPT, Claude or Gemini. A one-time, 30-second setup.
02
Coach as normal
Plan your training with your AI coach like you already do. When it builds a block, it syncs straight into Chalk.
03
Train & log
Your workouts are waiting in the app. Log your sets, and your coach can read them back to adapt next week.
Bring your own AI.
Works with ChatGPT, Claude or Gemini. Each has a simple, step-by-step guide — no tech skills needed.