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SOS Mind vs CircadiaOS

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

SOS Mind compared with CircadiaOS
DetailSOS Mind logo SOS MindCircadiaOS logo CircadiaOS
What it doesNeuroscience education, books, videos, and practical tools for focus, emotional regulation, and personal growth The thermostat schedule that learns from your sleep
StageNot given Not given
FoundedNot given Not given
Based inUS US
Pricing modelFreemium Freemium
PricingNot given 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
  • Guided breathing exercises
  • Visualization and reflection practices
  • Educational content on brain networks
  • Journal entries and reflection tools
  • Bonus content subscription
  • 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
  • Based on neuroscience research of the Default Mode Network and Salience Network
  • Created by a physician-scientist with over two decades in medical research
  • Combines scientific research with contemplative practice
  • 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)3 no change since last check13 no change since last check
Trust Flow (Majestic)04
Citation Flow (Majestic)1724
Referring domains (Majestic)447

5 details filled in for both companies.

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