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I'm Alive vs CircadiaOS

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

I'm Alive compared with CircadiaOS
DetailI'm Alive logo I'm AliveCircadiaOS logo CircadiaOS
What it doesDaily safety check-in app for people who live independently The thermostat schedule that learns from your sleep
StageStartup Not given
Founded2025 Not given
Based inIN US
Pricing modelFreemium Freemium
PricingTry It: Free forever (unlimited daily check-ins, 1 emergency contact, 1 alert per month). Stay Connected & Travel Safely: $4.99 one-time. Protect Me: $29.99/year (billed yearly, about $2.50/month) or $3.99/month. Protect Me On The Move: $39.99/year with 7-day free trial or $5.99/month. 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
  • Daily check-in with push and email reminders
  • Passive monitoring using phone activity signals
  • Alert-only by default—contacts only hear if you go silent
  • Fall detection on iPhone with Protect Me plan
  • Up to 10 emergency contacts with escalation
  • Guardian dashboard and weekly activity reports
  • SOS button with location sharing (coming soon)
  • AI voice safety check on Protect Me On The Move
  • Apple Watch app for check-in from wrist
  • 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
  • No hardware required—uses only your phone
  • Free tier available forever with no credit card needed
  • Fall detection that alerts only your trusted contacts, never 911
  • Privacy-focused with no GPS tracking by default
  • 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)7 −1 (down) since last check13 no change since last check
Trust Flow (Majestic)114
Citation Flow (Majestic)2924
Referring domains (Majestic)4747

6 details filled in for both companies.

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