| What it does | Track blood tests and biomarkers over time with privacy-first approach
| The thermostat schedule that learns from your sleep
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| Stage | Startup
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| Founded | 2026
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| Based in | GE
| US
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| Pricing model | Freemium
| Freemium
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| Pricing | Free plan at $0.00/mo with 3 document analyses per month; Personal plan at $4.99/mo or $49.99/yr with 10 document analyses and AI analysis; Family plan at $14.99/mo or $149.99/yr with 50 document analyses, AI analysis, and up to 5 family members.
| 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 | - Automatic PDF lab report analysis and extraction
- Biomarker organization using LOINC standard
- Interactive charts and timelines for trend visualization
- Track hundreds of biomarkers including glucose, cholesterol, vitamins, hormones, thyroid markers
- Biomarker history tracking over time
- AI-powered insights from health data
- Family member health profiles
- Document history access
- View previously generated reports
| - 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 | - Privacy-first design with data not used for AI model training
- Automatic organization of lab reports using LOINC standard
- Clear visualization of biomarker trends over time
- Full user control over personal health data
| - 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) | Not checked yet ● no change since last check | 13 ● no change since last check |
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| Trust Flow (Majestic) | 3 | 4 |
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| Citation Flow (Majestic) | 18 | 24 |
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| Referring domains (Majestic) | 7 | 47 |
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BioReport
CircadiaOS