Open iOS Settings → Privacy & Security → Health → PulsCalm. Ensure Heart Rate, HRV, and Resting Heart Rate are enabled. You need an Apple Watch or a compatible device to record these data types.
Settings app → your name → Subscriptions → PulsCalm → Cancel Subscription.
Open PulsCalm → Settings → Restore Purchases.
Open PulsCalm → Settings → Delete Account. Session metadata is removed. HealthKit data remains on your device and is controlled by Apple Health.
No. PulsCalm is informational only.