| What it does | Free personal safety app for family and friends
| The thermostat schedule that learns from your sleep
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| Stage | Not given
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| Founded | Not given
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| Based in | AU
| US
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| Pricing model | Not given
| Freemium
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| Pricing | Free app with optional paid devices: I'M SAFE Tag Classic, I'M SAFE Tag Pro (rechargeable, IP67 water-resistant), I'M SAFE Alarm Classic (135 dB), and I'M SAFE Alarm Metal physical devices available for purchase.
| Free: starting temperature schedule, optional wearable connection, nightly sleep data and trends, no thermostat control. Premium (monthly): $12.99/month with automatic thermostat control, four-phase schedule, 14-night starting period, one-variable-at-a-time adjustment from wearable data, 14-day free
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| Key features | - Private Bubble groups for choosing who to share with
- Journey feature to follow trip progress until ended
- Zones with arrival and departure notifications at saved places
- SOS alerts to selected Bubble contacts with live location
- Live location links shareable for 1, 3 or 7 hours
- Private Vault with AES-256-GCM encryption for notes, photos and files
- Chat within Bubbles
- Optional Bluetooth SOS Tags with physical button
- Standalone Personal Alarms with 135 dB siren without phone required
- Community in select cities with moderated guides and conversations
| - Four-phase overnight temperature schedule (pre-sleep, early night, late night, pre-wake)
- One-variable-at-a-time personalization held for 7 to 14 nights per change
- Wearable integration: Apple Watch, Oura Ring, Whoop, Garmin, Fitbit
- Thermostat compatibility with Nest, ecobee, Honeywell Home and 20+ brands
- 14-night starting period and reference point on Premium
- User-set temperature floor and ceiling, never below 63°F
- Why This Curve display showing where each setpoint came from and data behind it
- Best vs Worst nights comparison showing highest and lowest scoring nights
- Manual override capability with automatic resumption next night
- Referral program earning free months of Premium for every three friends who join
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| What makes it different | - Works as free app alone with no device purchase required
- User controls all sharing: invite-only Bubbles with individual on/off for each group
- Does not contact emergency services; focuses on connection to chosen trusted people
- Emphasis on relationship support and preparation rather than surveillance
- Optional devices available: rechargeable water-resistant Tags or standalone alarms
| - No new hardware required—works with your existing smart thermostat and wearable
- Software-first approach running sleep algorithms on your thermostat rather than requiring specialized cooling beds
- Personalization through one-change-at-a-time adjustments graded against your own sleep data
- Complete transparency showing where every setpoint comes from and how much data supports it
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| Community votes | 0 | 0 |
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| DR (Domain Rating by Ahrefs) | 38 ▲ +1 (up) since last check | 13 ● no change since last check |
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| Trust Flow (Majestic) | 9 | 4 |
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| Citation Flow (Majestic) | 28 | 24 |
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| Referring domains (Majestic) | 42 | 47 |
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I'M SAFE
CircadiaOS