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COR5 vs CircadiaOS

A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.

COR5 compared with CircadiaOS
Detail COR5CircadiaOS logo CircadiaOS
What it doesKnow before you train The thermostat schedule that learns from your sleep
StageMVP Not given
FoundedNot given Not given
Based inNot given US
Pricing modelContact for pricing Freemium
PricingTwo subscription tiers planned: Basic (core readiness, training, recovery, and trend experience) and Pro (deeper testing and interpretation). Early Access members will receive 3 months of COR5 Pro at no additional cost with device purchase. Final pricing to be confirmed before reservations open. 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
Key features
  • ECG and pulse wave synchronization for cardiac and vascular response measurement
  • Multi-frequency bioimpedance for body composition and hydration tracking
  • Personal physiological baseline built over approximately 10 days of consistent testing
  • Training ARC: before, during, and after training measurements
  • Performance Lab for custom longitudinal analysis and squad-level comparison
  • Coach dashboard with squad-wide readiness and individual athlete profiles
  • Snapshot test for quick 90-second current state check
  • Body Response test measuring seated-to-standing autonomic function
  • Balance Check for coordination and postural stability assessment
  • Onboard data capture without active network connection
  • 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
What makes it different
  • Personal baseline comparison instead of population averages
  • Five synchronized sensor modalities in one measurement experience
  • Active testing during training (before, during, after) rather than passive monitoring only
  • Field Sports Mode for phone-free pitch monitoring via LoRaWAN
  • Physiological signature that becomes more personalized with each new test
  • 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
Community votes00
DR (Domain Rating by Ahrefs)Not checked yet no change since last check13 no change since last check
Trust Flow (Majestic)04
Citation Flow (Majestic)1124
Referring domains (Majestic)447

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