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Most founders underestimate what building a wearable health app involves. Here's what the full build requires and how Signal delivers it.

After dozens of wearable integrations, we identified three production problems no quickstart guide covers. Here's what we learned and how it shaped Signal.

Signal is Momentum's delivery framework for wearable health intelligence. From raw wearable data to AI coaching in weeks.
Open Wearables 0.5.2 ships a full Polar refactor with webhook support, 70+ sport type mappings, and strict RMSSD enforcement for more reliable HRV scores.
