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TrainrAI — Your AI Fitness Coach

Personalized, data-driven coaching that transforms your Apple Health metrics into daily workouts, clear goals, and actionable insights — no guesswork, just progress.

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Why TrainrAI is Different

AI-Tailored Workouts

Day-by-day strength and cardio sessions with sets, reps, tempo, and rest — customized to your recovery, workload, and goals.

Analysis That Matters

Session evaluation using VO2Max trends, HR zones, TRIMP, HR recovery, volume, and adherence with coaching for next time.

Science-Backed Adaptation

Auto-adjusts intensity/volume using ACWR, HRV trends, resting HR, and sleep. Schedules deloads when recovery flags persist.

Privacy First

On-device processing. Reads only Health categories you allow. No backend storing your health data. Optional AI via OpenAI proxy.

Built for Real Life

7-day plans sized to your time availability, with substitutions and short-on-time options surfaced via Chat.

What You Get

Readiness-Aware Training

Morning snapshot blends HRV, resting HR, sleep, SpO₂, HRR, and recent load to set the tone for the day.

Evolving Goals

AI generates short, clear daily/weekly targets (Zone-2 minutes, TRIMP, distance, strength duration) that progress with you.

Strength + Zone 2

Smart pairing of progressive resistance training with aerobic targets, tuned by your current fitness and recovery.

Clear Sessions

Warm-up, primary lifts, accessories/finisher, and optional cardio — all structured and easy to follow.

Deep Feedback

Narrative insights ("short on last two sets; extend rest next time") plus compliance and trend lines.

Context-Aware Chat

Ask for substitutions, pacing, deload timing, or modifications — answers reference your readiness and recent data.

Apple Watch Native

Uses Watch workouts, HR, zones, steps, energy, sleep, VO2Max, and more to stay accurate and current.

Seamless Sync

Plans, goals, and preferences sync via iCloud; your health data remains in Apple Health.

Who It's For

Beginners

Who want clarity and safe progression without the overwhelm of complicated programs.

Busy Athletes

Who need efficient, personalized structure that adapts to their hectic schedule.

Data-Minded Users

Who want science-based, privacy-respecting coaching backed by real metrics.

Proof It's Smart

Methods You Can Trust

TRIMP, ACWR sweet spot (0.8–1.3), HRV 7-day vs 60-day baselines, age/sex-adjusted norms, and practical readiness guidance.
Learn how your data powers peak performance →

Structured Outputs

The AI returns clean, actionable plans and analyses designed for real-world training decisions — less fluff, more results.

Get Started

Connect Apple Health, choose your goals, and TrainrAI builds your week. Check readiness each morning, follow your tailored session, and watch your metrics — and results — improve.

Transform Your Training Today

Download TrainrAI to experience personalized, science-backed fitness coaching that adapts to your body, your schedule, and your goals.

Download on the App Store