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Live recovery heatmap
A real 3D anatomical model glows by how fatigued each muscle is, cooling as you recover.
100% Free
AI everywhere
Train by recovery.
Coached by AI. Free.
Every set you log lights up a live 3D muscle recovery heatmap. An AI coach reads it — and your readiness, streak and PRs — to tell you exactly what to train today.
No credit card · No paywalls · AI built into every screen
AI everywhere
Not a chatbot bolted on. AI in every step.
From the first question to your last set, intelligence is woven through the whole loop.
Conversational onboarding
Daily workout suggestions
Next-set weight & reps
Snap-a-meal macros
Readiness auto-regulation
Personalized daily email
Form & recovery Q&A
Plateau & stall detection
What should I train today?
Your chest and front delts are still fatigued — let's do a pull day. I queued 5 lifts and set
your top working weights from last session.
▶ Start this workout
One app, the whole training loop
Log, recover, plan, repeat — with the science handled for you. All free.
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AI hypertrophy coach
Chat a coach that reads your data and can set goals, plans and your next set — with your OK.
Daily readiness
HRV, sleep, resting HR and check-ins blend into a score that auto-regulates today's load.
Progress & PRs
Automatic estimated-1RM curves, weekly volume vs. target, streaks and PR celebrations.
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Smart planner
Double-progression and stall detection prescribe weight and reps from your own history.
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Nutrition & sync
Snap a meal for macros, and sync Apple Health or Garmin so recovery stays honest.
Pricing
Everything above. Free.
No tiers, no trials, no "upgrade for AI". The whole app, every feature, zero cost.
Create your free account