linkTo
Independence, Worn on the Wrist
linkTo pairs a standalone LTE smartwatch with a caregiver app for Android and iPhone to track wandering risk in real time and detect falls, abnormal heart rate, or prolonged inactivity — without asking the patient to open an app or carry a phone.
The core principle: zero input. The watch senses the moment — the system decides whether it matters.
The Watch
Multi-Mode Safety System
Three safety modes, matched to how each patient actually moves through their day.
지정한 안심구역을 기준으로 이탈 여부를 판단합니다. 가장 단순하고 예측 가능한 모드예요.
Patent filed — Application No. 10-2026-0137315.
How each mode sets the Safe Zone
Anomaly Detection
If the patient falls, an unusual heart rate continues, or there's no movement for a long time, we alert the caregiver. The patient doesn't need to measure or log anything.
When there's no movement for 3 hours
Guardian Sync
Intelligent Triggers
Anomalies trigger a tiered alert system: the watch checks in on its own schedule, and only sustained, real signals escalate to the guardian's phone.
“Activity check needed · No movement from Soon-ja for a long time. Please check.”
07:00–22:00, so a quiet nap doesn't get flagged as an emergency.
Zero-Input Sync
The watch runs on its own LTE connection — location keeps updating even when the patient's phone (or the patient's phone habit) isn't there.
Guardian Arrival
When a caregiver comes within 100 m of the patient, both the watch and the caregiver app show “Guardian arrived.” The caregiver's location is shared only after consent, and only while the app is open.
Help From People Nearby
If the patient leaves the Safe Zone at DANGER level and an approved acquaintance is nearby, that person's caregiver gets a help request. They can reply “Got it” or “I'll help.”
Response Rate, Per Caregiver
Each caregiver's share of alerts confirmed within 5 minutes over the last 30 days, plus their average response time, updated live as alerts arrive.
Live Activity on the Lock Screen
While the caregiver app is running, the patient's status — Safe, Caution, Danger — stays on the iPhone lock screen.
Safe Perimeter
ACTIVE SCANNING...
AI reviews activity weekly and suggests a better-fit mode.
이번 주 평일 오후마다 주간보호센터에 머물렀어요. 요일·시간대별로 안심구역을 예약해 두면 더 잘 맞아요.
Proximity Awareness
linkTo learns each patient's frequent places and evaluates their real activity radius weekly. When behavior shifts, it recommends switching modes — no manual reconfiguration needed.
현재 위치: 안심구역 안
At DANGER status, a single tap of the watch shows emergency medical info (NFC) — no app or unlock required.
Expansion
The Weekly Report
A Wrapped-style story for caregivers: total distance moved, most-visited places, and most active time of day — auto-playing, no dashboards to dig through.
Launch
Now on Google Play and the App Store. Basic covers location, Safe Zones, SOS, and fall detection; Plus adds heart rate and inactivity detection.
Caregiver app available for Android and iPhone.