Hearth is a quiet safety net under everyday life. Small sensors learn what a normal day looks like in your parent's home, and you hear about it the moment something isn't right. Here's the whole journey, from a sensor on the wall to a message on your phone.
Motion sensors in the kitchen, bathroom, bedroom and lounge, and a contact sensor on the front door. Each is matchbox-small, battery-powered for years, and sticks on with no drilling. They notice movement, and nothing else: no images, no sound, no wearables.
A small box, about the size of a paperback, plugs into power and the broadband router. It does one job: it forwards the sensor signals, encrypted, to Hearth's secure cloud. There's nothing to program and no computer in the house doing anything clever. If you add the 4G backup, the hub carries its own SIM and keeps working without broadband.
In our secure UK cloud, today's pattern is measured against your parent's own baseline: the last two weeks, and the last three months. Wake time, kitchen visits, outings, night-time bathroom trips. That's how Hearth can tell a lie-in from a problem, and a quiet day from a worrying one.
Plain-English summaries through the day, a live dashboard whenever you want to look, and alerts only when something genuinely needs your attention. Everyone in the care circle gets their own login and chooses how much they want to hear.
Each is matchbox-small, battery-powered and sticks on with no drilling. They speak over Zigbee, a low-power signal that's completely separate from the home WiFi.
Motion. Meals, the kettle, a normal morning.
Motion. Daily routine, and night-time visits.
Motion. Bedtime, wake time, and restless nights.
Motion. Time settled at home through the day.
Contact. Confirmed outings, and a safe return.
They arrive paired, tested and labelled. The hub plugs in and quietly carries the signals onward. That's the whole installation.
Add sensors for the rooms your parent actually uses: dining room, study, conservatory, hallway and more. Choose them when you order and they arrive pre-paired with everything else. See the packages page.
Research consistently shows that subtle changes in daily routine are among the earliest indicators of decline in older adults. Hearth is designed to detect these patterns: the ones that are invisible in a phone call but clear in the data, often before anything else would pick them up.
Nocturia (two or more visits per night) doubles the risk of falls and fractures, and is often the first behavioural sign of a urinary infection in older women, before any other symptoms appear. Hearth tracks bathroom movement overnight, every night. A rising trend is flagged.
Increased unpredictability in daily routines is one of the strongest passive indicators of early cognitive decline. Studies using in-home sensors detected mild cognitive impairment with around 85% accuracy by measuring deviation from established patterns. Hearth compares every day against a 14-day and a 90-day baseline.
Reduced kitchen visits are a validated proxy for declining meal preparation, itself a key activity of daily living. Sensor-detected reductions have predicted functional decline 6 to 12 months before clinical assessment. Hearth tracks kitchen visits, duration and timing daily.
Later wake times, fragmented sleep and excessive time in bed are associated with frailty and low mood. Hearth uses bedroom and bathroom movement to work out bedtime, wake time and overnight restlessness, comparing each night against your parent's own baseline.
Reduced out-of-home activity is linked to social withdrawal, mobility decline and incident dementia. Hearth uses the front door sensor to track outing frequency and duration week over week. A gradual decline is flagged in the weekly trend report before it becomes obvious.
Fewer room-to-room movements per day correlate with reduced functional capacity and predict hospitalisation. Changes in the pace of moving between rooms can signal gait decline, a predictor of falls weeks before they occur. Hearth tracks cross-room activity and pace throughout the day.
Every metric is compared against a rolling 14-day baseline and a 90-day reference. Gradual decline that would be invisible in a phone call becomes clear in the data.
Hearth doesn't cry wolf. Notifications are tiered by urgency, configurable per person, and written in plain English rather than raw sensor data.
Mum had a restful night. Went to bed at 10:15pm, woke at 7:02am. 1 bathroom visit. Everything looks normal.
No kitchen activity this morning. Mum is usually in the kitchen by 9am. The last movement was in the bedroom.
Kitchen active at 11:02am. Normal activity resumed. No action needed.
Mum went out at 1:30pm, home after 40 min. Kitchen active. Normal afternoon.
Night bathroom visits averaged 2.4 this week (up from 1.6 last week). Worth mentioning to the GP.
Passive: daily summaries, no sound.
Active: routine alerts.
Time-sensitive: overrides Do Not Disturb.
Critical: night safety alerts that always break through, even on silent.
Overnight is when worry bites hardest, so it's where Hearth works hardest. If your parent gets up in the night and doesn't make it back to bed, or the front door opens at 3am, the care circle is told urgently. These alerts fire even if monitoring is paused: a fall at night is the one thing that should never be silenced.
Each care circle member sets their own notification level. Maybe you want every summary and your sibling only wants urgent alerts. Everyone configures their own.
Morning, afternoon and evening, written in plain English. Each one is independently toggleable, so you enable the ones that fit your day.
Every Sunday evening, a report comparing this week to last: wake times, activity, bathroom patterns and outings. The gradual changes that are invisible day to day become clear week to week.
A green banner means everything's normal. Designed to be read in five seconds, at any time of day or night. This is a live demo: scroll inside the phone and switch tabs.
Normal routine today
Wake time, activity, and outings trending down over 8 days
Wake time drifting later (avg 8:20am, was 7:08am). Activity down 35% over 8 days. Outings dropped to 0.4/day. Night bathroom visits up from 1.2 to 2.4. Pattern consistent with possible UTI or functional change. Worth raising with the GP.
Scroll inside the phone. Switch tabs. Toggle light and dark mode.
The dashboard, alerts and pattern detection all work without AI. If you switch AI insights on, Hearth writes richer plain-English summaries and drift explanations from aggregated daily figures only, with your parent's name removed before anything is processed. You can turn it off again at any time. The choice is always yours, in Settings.