Comparison

Absolute Rest vs Ciridian

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Absolute Rest

This app provides a comprehensive sleep management program using an FDA-cleared testing system to analyze sleep patterns through the autonomic nervous system. It offers personalized insights and expert support to improve sleep quality and daytime performance.

Highlights
  • Comprehensive sleep assessment
  • Autonomic nervous system testing
  • Personalized insights and expert support
  • User-friendly app interface
  • Continuous monitoring of sleep parameters
Read full description

Transform Your Sleep with Clinical Precision Absolute Rest combines the capabilities of a professional sleep laboratory with the precision of sleep science to deliver the first and only comprehensive sleep management program directly to your home. Utilizing an innovative FDA-cleared testing system, designed to detect sleep patterns through the autonomic nervous system with cutting-edge technology, you'll get a comprehensive analysis of your sleep quality and personalized insights to help you achieve your best rest. Key Features: Comprehensive Sleep Assessment: Absolute Rest transforms your fingertip into a clinical sleep lab, measuring every movement, heartbeat, and breath throughout the night. Detect and analyze a wide range of sleep problems and disorders, including insomnia, sleep apnea, hyperarousal, hyperactivity, and much more with unmatched depth and clarity. Cutting-Edge Autonomic Nervous System Testing: Gain insights from your autonomic nervous system while you sleep, with precise measurements of sympathetic fragmentation, deep parasympathetic restoration, sleep-disordered breathing including apneas, hypopneas, and RERAs, the only objective and FDA cleared sleep quality index (SQI), and much more. Personalized Insights and Expert Support: Receive detailed, actionable recommendations based on your unique sleep data. Your dedicated team, including a sleep clinician, clinical psychologist, and behavioral sleep expert, tailors solutions to your specific needs. Your team actively monitors nightly data to provide real-time, personalized guidance and comprehensive management to improve your sleep health and daytime performance. User-Friendly App Interface: The Absolute Rest app makes it simple to track meaningful sleep metrics and understand your unique patterns and trends with intuitive visuals and reports available on our companion web app. Continuous Monitoring: Unlike laboratory-based sleep studies, Absolute Rest continuously monitors multiple sleep parameters over time, providing ongoing insights and adjustments to help you optimize your sleep, and energize your life. Why Choose Absolute Rest? Millions suffer from poor sleep quality, leading to fragmented sleep, fatigue, and many associated health issues. Absolute Rest goes beyond traditional sleep trackers, offering a comprehensive, clinical-grade assessment to help you uncover the root causes of your particular sleep problems. With personalized insights and expert support, you can finally achieve the deep, restorative sleep you need to perform your best every day.

About

Ciridian

Features
Read full description

For those who seek the pinnacle of restful sleep, Ciridian offers intelligently engineered sleep systems that adapt to your needs. Unlike ordinary mattresses, our technology-driven approach provides unmatched personalized support, transforming each night’s rest into a restorative experience that enhances your quality of life.

Screenshots

Absolute Rest3 screens
Ciridian4 screens

Verdict

The call

The clearest difference is update cadence: Absolute Rest at every 3 weeks against Ciridian's every 2 months. On price, ads, in-app purchases and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Absolute Rest ships an update every 3 weeks, Ciridian every 2 months. The most recent releases landed on October 5, 2026 and September 27, 2026 respectively.

Scorecard1 real difference · 8 level
Absolute Rest versus Ciridian: the parameters behind the verdict, then further details
ParameterAbsolute RestCiridian
PriceFreeFree
Rating3.7 (3 ratings) — better—
Number of ratings3 — better—
Update frequencyEvery 3 weeks — betterEvery 2 months
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPadiPhone, iPad
Requires iOS16.0 — better16.6
Further details — not scored
Size41 MB27 MB
Age rating4+4+
DeveloperAbsolute Rest, IncCiridian

In-app purchases

None

Absolute Rest

No in-app purchases

None

Ciridian

No in-app purchases

Questions

Is Absolute Rest free?
Absolute Rest is free to download, with no in-app purchases.
Is Ciridian free?
Ciridian is free to download, with no in-app purchases.
Do Absolute Rest or Ciridian have ads?
Neither Absolute Rest nor Ciridian shows ads.
Which is updated more often, Absolute Rest or Ciridian?
Absolute Rest ships an update every 3 weeks, and Ciridian every 2 months. Most recently, Absolute Rest was updated on October 5, 2026 and Ciridian on September 27, 2026.

Other comparisons