Train smarter with ChAIron, your live AI fitness coach.
Get instant form feedback and live corrections.

Designed for HYROX race prep, calisthenics skill training, and strength training.

Get access to training from the world’s best trainers.
ChaIron puts a real‑time AI coach right into your workout. Using advanced computer vision and movement science, the app watches every rep and gives you instant feedback on form, pacing, and energy use—so you avoid injuries, stay efficient, and hit your peak performance.
Key Features
Live AI Feedback: real‑time form correction, voice‑guided cues, rep count, range‑of‑motion detection


Adaptive Training: workouts auto‑adjust based on your performance, recovery metrics, and energy level


HYROX Focus: race-specific programming for sled pushes, wall‑balls, burpees, ski-erg runs, followed by running segments—built for top-paced race prep

Calisthenics Focus: skill ladders for handstand mastery, bodyweight strength progression, mobility, and posture control

Tracking & Analytics: no wearables needed—log and visualize performance over sessions with analytics dashboards


Recovery & Smart Load: fatigue‑aware planning with auto‑recovery based on workout data
Leading AI - trained on over 1m hours of the world’s best athletes and coaches

Why ChAIron?
Train for HYROX: smart pacing guidance, station-specific endurance sets, sled/running simulation—all optimized to race‑day fitness.
Master Calisthenics: bodyweight plans and progression for skills like handstand, planche, pistol squat, and mobility.
AI Live Coach: professional-level form feedback without needing a personal trainer—right from your phone camera.
Always Evolving: each session adapts to your current fitness and recovery, keeping workouts personalized and safe.

Start for free