Meet Echo, a companion that senses before the storm.
A calming companion named “Echo” that reads Apple Watch vitals, learns your preferences, and gently guides regulation before a moment becomes a crisis — with a consent-bounded dashboard that keeps caregivers connected. The full multimodal AI runs on your iPhone.
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Every screen, at a glance

Designed for sensory calm









Apple Watch vitals, read against a personal baseline.
Heart rate and HRV stream from the watch into a bounded stress score. The companion adapts across four tiers — gentle when you're calm, protective when you're not.
On the wrist, in the moment
Heart rate, HRV and an instant SOS — surfaced on the watch and streamed live to caregivers.



Capabilities
On-device multimodal AI
Gemma 4 runs on the iPhone via Apple MLX — text, voice and images. Zero conversation bytes ever leave the device.
Predict distress before crisis
Apple Watch HR + HRV are measured against a personal baseline to compute a bounded stress score across four tiers: calm → elevated → stressed → crisis.
Private long-term memory
Echo remembers interests, sensory notes and calming preferences in encrypted on-device storage, with two-pass semantic deduplication.
Regulation tools
Guided breathing, curated and AI-narrated stories with a persona picker, and a daily mood survey — all designed for sensory calm.
Caregiver dashboard
Live vitals, HRV analytics, location, wearable camera feed and an activity log — with consent-bounded linking and instant revocation.
Two independent SOS triggers
A model tool-call and a life-threat text detector each independently dispatch SOS — either one alone is enough.
Connected — only with consent
Live vitals, location, chat and SOS — gated by an active, consent-bounded link that revokes instantly on removal.





