Absolute Rest vs Phaes
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- Comprehensive sleep assessment
- Autonomic nervous system testing
- Personalized insights and expert support
- User-friendly app interface
- Continuous monitoring of sleep parameters
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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.
Phaes
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Your body changed. Now you can finally understand it. Phaes is a hormone intelligence and tracking app for women in perimenopause, menopause and midlife. It turns the signals you can actually know, your symptoms, cycle, HRT, bloodwork, sleep and recovery, into clear, actionable insights about what your body is doing, and what to do about it. Most apps guess at your hormones from a wrist sensor and hand everyone the same advice. Phaes works from what is real, and it listens. Track what matters in one place. See the patterns you have always felt, finally explained. And when you want to train, Phaes builds adaptive running and strength plans that move with your symptoms, your energy and your recovery, so you keep getting stronger without breaking down. Whether you just want to make sense of what is happening, or you are chasing your first 5K, a half marathon PR, or strength after 40, Phaes meets you where your body actually is. FEATURES Hormone Intelligence and Insights - Turns your symptoms, cycle, HRT and bloodwork into actionable insights, not just charts - Makes sense of the volatility, so the ups and downs finally add up - See your patterns over time, anchored to your own logged history Track Everything in One Place - Daily symptom and cycle logging with same-cycle-day history - HRT tracking with a one-tap daily card and a quick check-in every couple of weeks - Bloodwork tracking with per-marker trends, plus body composition and weight Doctor-Ready Health Snapshot - A clear summary of your symptoms, HRT adherence, HRV, resting heart rate and body composition - Choose a 4-week, 3-month or 12-month window - Share it with your doctor or coach in a tap Daily Check-in and Readiness - A 30-second check-in that reads your sleep, energy, stress and symptoms - A clear daily call: when to push, when to ease back, when to rest - Symptom-aware coaching through every stage Adaptive Run and Strength Plans - Personalized running plans from beginner to marathon, or just training with no race - Strength periodized alongside your running, built for women over 40 - Daily adjustments based on your readiness, recovery and energy Recovery and Daily Coaching - Sleep, stress and fatigue-aware recommendations, with deload guidance - Phase-aware and life-stage-aware nutrition support - A short daily reflection, plus a personal read of your day - Apple Health and Strava sync Stop guessing what your body is doing. Start understanding it, and training for you. Download Phaes. https://tryphaes.com/privacy https://tryphaes.com/terms
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Verdict
The clearest difference is in-app purchases: Absolute Rest at none against Phaes's 4. Phaes's advantage is update cadence (every 9 days vs every 3 weeks). On price, ads, device support and iOS requirement 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
Both are free to download. Phaes sells 4 in-app purchases, starting at $3.99 per month. Absolute Rest asks for nothing beyond the download.
Absolute Rest ships an update every 3 weeks, Phaes every 9 days. The most recent releases landed on September 18, 2026 and September 13, 2026 respectively.
| Parameter | Absolute Rest | Phaes |
|---|---|---|
| Price | Free | Free |
| Rating | 3.7 (3 ratings) — better | — |
| Number of ratings | 3 — better | — |
| Update frequency | Every 3 weeks | Every 9 days — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free | — |
| Devices | iPhone, iPad — better | iPhone |
| Requires iOS | 16.0 | 16.0 |
| Further details — not scored | ||
| Size | 41 MB | 51 MB |
| Age rating | 4+ | 4+ |
| Developer | Absolute Rest, Inc | Silver Mountain Technologies, LLC |
In-app purchases
Absolute Rest
No in-app purchases
Phaes
- Insights monthly$3.991 Month
- Monthly7 Days trial$9.991 Month
- Yearly Insights$29.991 Year
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- Yearly7 Days trial$69.991 Year
Questions
Is Absolute Rest free?
Is Phaes free?
Do Absolute Rest or Phaes have ads?
Which is updated more often, Absolute Rest or Phaes?
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