Fit4i

The AI coach that plans today's workout from your recovery

iOS Health & Fitness Artificial Intelligenceローンチ 2026年8月4日

Fit4i とは？

Fit4i is an AI personal trainer, not another workout logger. Every morning it reads your sleep & HRV (Apple Watch/Polar — or a 10-sec check-in) and builds today's session: exercises, sets, working weights. Real periodization, deloads and adaptive nutrition included.

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