How it works
Trends on the parent’s device. Sharing only with consent.
Porchlight never uploads raw Apple Health samples. A local engine learns a rolling baseline, then surfaces gentle drift when patterns sit outside their usual range for several days.

- 01
Calibrate
After roughly three weeks of wear, Porchlight understands someone’s usual range for resting heart rate, HRV, activity, sleep, and related metrics.
- 02
Notice drift
When a metric drifts beyond a personal threshold for consecutive days, status moves from Steady to Worth a look — a nudge, not an alarm.
- 03
Weekly digest
Plain-language summaries help the family talk about the week. Language is filtered so it stays wellness-framed.
- 04
Invite family
The parent previews exactly what will be shared, toggles metrics, and can revoke access. Shared summaries are removed within 24 hours after revoke.