TrainCurve

TrainCurve

Training load + AI coach

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Free
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Features

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About

TrainCurve is the endurance training platform for cyclists, runners, and triathletes who want the training-load math their coach uses — without per-token AI fees. TRAINING LOAD, DONE RIGHT • CTL / ATL / TSB (Fitness, Fatigue, Form) built on the proven Banister 1965 impulse-response model • See how today's session moves your fitness and freshness • Plan races around your form curve RECOVERY AND STRESS, EVERY MORNING • Wake up to your recovery score, stress level, sleep and strain budget • Stress is read from your overnight HRV and resting heart rate against your own 30-day baseline • Arrives when you actually wake up, not at a fixed time BRING YOUR OWN AI COACH • Connect the AI you already pay for (ChatGPT Plus, Gemini, and more) — no extra subscription, no per-token charges • Get workout analysis, weekly plans, and race strategy grounded in your real data YOUR DATA, YOUR RULES • Reads workouts from Apple Health to compute your load automatically • EU-hosted, GDPR by design • Open source (AGPLv3) Free forever for your first 100 workouts. No credit card required. Terms of Use (EULA): https://traincurve.com/terms Privacy Policy: https://traincurve.com/privacy
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What's New in TrainCurve

1.3.0

August 1, 2026

TrainCurve 1.3 — Train the way your wrist does. NEW: Apple Watch live workouts — start a session on your wrist, glance at your phone for live HR and elapsed time, pause or end from either device. NEW: Bluetooth heart-rate strap support — pair any standard chest strap (or your WHOOP in Broadcast HR mode) for direct, low-latency live HR during workouts. NEW: Strength workout logging — track exercises, sets, reps, weight, and RPE (0–10) right from your iPhone. Copy from your last session to log a pyramid in seconds. NEW: Health source picker — choose which device feeds your sleep, HRV, resting heart rate, and other recovery metrics, so your recovery score reflects the one you trust most. Sources view — audit every connected device and its last sync time in one place.

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Subscription plans

TrainCurve Pro Monthly

AI coach, recovery, trends and training plan.

$4.991 Month
How to cancel TrainCurve subscription ⁉️

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