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Ultrahuman - Smart Watch App
Score Overview
4.3
Overall Rating
4.6
App Store
4
Google Play
100K+Google Play Downloads
Ultrahuman
Ultrahuman Healthcare Private LimitedFreemium
Ultrahuman is the companion app for the Ring AIR smart ring, delivering Sleep Index, Dynamic Recovery, and Movement Index scores with no subscription. Tracks HRV, glucose, and metabolic health 24/7.
Sleep Index (0–100) — nightly analysis of sleep stages (light, deep, REM), efficiency, latency, SpO₂, HR drop, and sleep regularity with contributing factor breakdown
Dynamic Recovery Score (0–100) — daily recovery metric based on HRV (RMSSD), resting heart rate, skin temperature deviation, and sleep debt to guide training intensity
Movement Index (0–100) — measures both volume AND frequency of daily movement, rewarding regular activity breaks that lower metabolic risk beyond step counting alone
Stress Rhythm — samples HRV every 15 minutes to map sympathetic vs. parasympathetic dominance across the day, with breathwork and lifestyle suggestions during high-stress windows
No Subscription Required — core Sleep, Recovery, and Movement analytics are included in the one-time Ring AIR purchase price with no recurring monthly fees
Ultra Age — biological age estimation based on HRV, resting heart rate, skin temperature, and sleep quality biomarkers, showing whether you're aging faster or slower than your chronological age
Metabolic Score — integrates with Ultrahuman M1 CGM for real-time glucose tracking, Metabolic Score (glucose stability index), and food/activity correlation insights
Women's Health — temperature-based ovulation prediction, fertile window estimation, cycle phase insights, and pregnancy tracking via Cycle & Ovulation and Pregnancy Insights PowerPlugs
Real-time Workout Tracking — live HR zones, calories, and running route maps during exercise with post-workout recovery suggestions based on Dynamic Recovery score
Zones — create social groups with friends and family to share and compare sleep, recovery, and movement scores for group accountability
Circadian Rhythm Guidance — personalized recommendations for morning light, optimal exercise windows, caffeine cutoff times, and evening wind-down based on your chronotype
Blood Vision Integration — connects blood biomarker lab results (100+ markers) to ring data for a holistic health view that links lifestyle habits to long-term biomarker trends
Apple Health, Google Health Connect, Strava, TrainingPeaks sync — bidirectional health data sharing with popular health platforms and fitness apps
Fighter-jet-grade titanium ring — 2.4–3.6 g lightweight construction; 4–6 day battery; swim-ready water resistance; sizes 6–13 with free sizing kit
Introduction
Ultrahuman is the official companion application for the Ultrahuman Ring AIR, a fighter-jet-grade titanium smart ring designed to be the world's lightest and most comfortable sleep and health tracker. Unlike subscription-based competitors, the Ultrahuman Ring AIR requires no recurring membership fees — all core analytics, including Sleep Index, Dynamic Recovery, and Movement Index, are included in your one-time ring purchase with no paywall.
Founded in 2019 in Bengaluru, India, Ultrahuman Healthcare has grown into a global health-technology platform with $55M+ in funding, serving users across 50+ countries. The Ultrahuman app is available on iOS (iPhone, iPad, Mac, Apple TV, Apple Watch) and Android, aggregating data from the Ring AIR, optional Continuous Glucose Monitor (CGM), Ultrahuman Home environmental sensor, and Blood Vision blood-testing service into a single unified dashboard.
How the Ultrahuman App Works
The Ring AIR captures continuous biometric data from your finger using an optical PPG sensor, 6-axis motion sensor (accelerometer + gyroscope), skin temperature sensor, and red/infrared LEDs for SpO₂. Data syncs via Bluetooth to the Ultrahuman app, which transforms raw sensor signals into four key daily indices:
Sleep Index (0–100) — Analyzes total sleep duration, sleep stages (light, deep, REM), sleep efficiency, latency, SpO₂ during sleep, and nocturnal heart rate. Sub-contributors like "Sleep Regularity," "HR Drop," and "Sleep Timing" give you a granular view of why your sleep was good or poor.
Dynamic Recovery Score (0–100) — A composite of HRV (RMSSD), resting heart rate, skin temperature deviation, and sleep debt, reflecting how prepared your body is for physical and mental strain each day.
Movement Index (0–100) — Goes beyond step counting by measuring the frequency of your movement throughout the day, not just total volume. It rewards regular movement breaks throughout the day, which is strongly associated with lower metabolic risk.
Metabolic Score (CGM users only) — When paired with the Ultrahuman M1 CGM, the app generates a daily Metabolic Score based on glucose stability, time-in-range, and glycemic variability. This unique feature turns the into one of the most comprehensive metabolic health platforms available to consumers.
Data CollectedLocation, User Content, Contact Info, Identifiers, Usage Data (linked to identity); Diagnostics (not linked to identity). Encrypted in transit. HIPAA, GDPR, ISO 27001 compliant.
What is the Ultrahuman app and what does it track?
The Ultrahuman app is the companion application for the Ultrahuman Ring AIR smart ring. It aggregates biometric data from the ring's optical PPG sensor, 6-axis motion sensor, skin temperature sensor, and SpO₂ sensors into four daily scores: Sleep Index (sleep quality 0–100), Dynamic Recovery (readiness 0–100), Movement Index (activity frequency 0–100), and — for CGM users — a Metabolic Score based on glucose stability. The app also tracks Stress Rhythm (HRV-based stress mapping throughout the day), offers PowerPlugs for advanced analytics like AFib detection and cycle tracking, and integrates with Apple Health, Google Health Connect, and third-party fitness platforms. The Ultrahuman ecosystem extends beyond the ring to include the M1 CGM glucose monitor, Ultrahuman Home environmental sensor, and Blood Vision blood-testing service — all managed through a single app.
Does the Ultrahuman Ring require a subscription?
No — this is Ultrahuman's biggest competitive differentiator. The Ultrahuman Ring AIR is sold as a one-time purchase that includes lifetime access to all core ring analytics: Sleep Index, Dynamic Recovery, Movement Index, Stress Rhythm, and most PowerPlugs. There are no monthly or annual subscription fees required to access your ring's sleep, recovery, and activity data. The only paid components are: (1) the Ultrahuman M1 CGM platform, which requires a subscription for continuous glucose monitoring sensors ($299/month, $699/3 months, or $2,399/year in the US); (2) premium PowerPlugs that may be offered as optional add-ons; and (3) Blood Vision blood-testing packages. For the core Ring AIR functionality, you pay once and own your data. This contrasts with Oura Ring ($5.99/month Oura Membership required) and WHOOP (subscription-bundled hardware).
Ultrahuman Ring AIR vs Oura Ring 4 — which is better?
Both are excellent smart rings for sleep and recovery tracking, but they target slightly different priorities. Ultrahuman Ring AIR advantages: no subscription fees (one-time purchase), integrated CGM metabolic health platform, Ultra Age biological age scoring, unique Movement Index that rewards activity frequency, lighter weight (from 2.4 g vs 2.3 g for Oura), and PowerPlugs like AFib detection and circadian guidance. Oura Ring 4 advantages: longer battery life (7–8 days vs 4–6 days), larger integration ecosystem (800+ third-party app connections), better-established sleep stage accuracy backed by more peer-reviewed studies, ECG is not present in either ring but Oura has more clinical partnerships. Bottom line: choose Ultrahuman if you dislike subscriptions, want metabolic health (CGM) integration, or value features like Ultra Age. Choose Oura if you prioritize battery life, integration breadth, or want the most clinically validated sleep data. Many users who have tried both report comparable sleep tracking accuracy; the decision often comes down to the subscription model and additional features.
Is the Ultrahuman Ring waterproof?
Yes. The Ultrahuman Ring AIR is designed to be swim-ready and water-resistant for everyday activities including swimming in pools and the ocean, showering, bathing, and handwashing. The ring can withstand submersion without damage under normal use conditions. Always remove the ring before using it in harsh chemical environments (e.g., saltwater pools, hot tubs with strong chemicals) as these may affect the titanium coating over time. The charging dock should not be submerged, but the ring itself is designed for all-day wear including aquatic activities.
Can the Ultrahuman Ring detect pregnancy or support pregnancy tracking?
The Ultrahuman Ring AIR, via its Pregnancy Insights PowerPlug, can track how biometric signals change during pregnancy — including changes in resting heart rate, HRV, skin temperature, sleep patterns, and activity levels across trimesters. This provides pregnant users with a longitudinal view of physiological changes and personalized insights for sleep and recovery during pregnancy. The Cycle & Ovulation PowerPlug uses temperature and HRV data to estimate ovulation timing and fertile windows, which is relevant for those trying to conceive. However, the Ultrahuman Ring is not a medical device and cannot clinically confirm pregnancy. For pregnancy confirmation, always use a medical pregnancy test and consult your healthcare provider.
What is Ultra Age in the Ultrahuman app?
Ultra Age is a proprietary PowerPlug in the Ultrahuman app that estimates your biological age — how old your body actually is biologically — based on multiple biomarkers tracked by the Ring AIR: HRV trends, resting heart rate, skin temperature patterns, sleep quality, and movement habits. Unlike chronological age (the number of years you've been alive), biological age reflects how efficiently your cardiovascular, metabolic, and recovery systems are functioning. Users who exercise regularly, sleep well, and manage stress effectively often have a biological age lower than their chronological age. Ultra Age provides a trend view — showing whether lifestyle changes are slowing or accelerating biological aging over time. It is designed as a motivational longevity metric, not a medical assessment.
Is the Ultrahuman Ring available in the US in 2026? Are Ultrahuman rings banned?
In late 2025, Ultrahuman temporarily paused direct US sales of the Ring AIR following a trade ruling related to the US International Trade Commission (ITC). This does not mean the ring is permanently banned — Ultrahuman has stated it is working on US manufacturing options and developing a next-generation ring designed to comply with US trade requirements. As of March 2026, Ultrahuman Ring AIR units purchased before the pause continue to function normally, and existing US customers receive full app support. You can still find Ultrahuman Ring AIR available through third-party retailers including Amazon, Best Buy, and Costco (where the ring has been stocked in the US). Check ultrahuman.com for the latest availability status on official direct sales.
Is the Ultrahuman Ring HSA or FSA eligible?
Yes — the Ultrahuman Ring AIR is eligible for HSA (Health Savings Account) and FSA (Flexible Spending Account) purchases in the United States. Ultrahuman explicitly markets Ring AIR as HSA/FSA eligible, which you can confirm on their official buying page. This allows US customers to purchase the ring using pre-tax healthcare dollars, effectively reducing the out-of-pocket cost by 20–40% depending on your tax bracket. To use HSA/FSA funds, you may need to purchase directly through the Ultrahuman website or a qualifying HSA/FSA payment portal. Always verify eligibility with your HSA/FSA plan administrator as policies can vary.
Which finger should I wear the Ultrahuman Ring on?
Ultrahuman recommends wearing the Ring AIR on the index finger (pointer finger) or middle finger for optimal sensor accuracy. The ring's optical PPG sensors need to make consistent contact with the skin on the underside of your finger. Both index and middle fingers typically provide good blood vessel proximity and sensor contact. The ring can also be worn on the ring finger or pinky finger — the best choice is whichever finger achieves a snug fit (the ring should not spin freely). For sizing, Ultrahuman recommends using their free sizing kit before ordering. Ring size can change across fingers, so test the provided sizes on the specific finger you plan to wear it on. Note: for safety during heavy lifting, contact sports, or operating machinery, remove the ring as titanium rings cannot be cut off in emergencies.
What are PowerPlugs in the Ultrahuman app?
PowerPlugs are advanced analytics modules in the Ultrahuman app that layer specialized health insights on top of the Ring AIR's core biometric data. Think of them as optional lenses that focus on specific health domains beyond the standard Sleep, Recovery, and Movement scores. Current PowerPlugs include: AFib Detection (passive nighttime screening for atrial fibrillation patterns), Circadian Alignment (personalized guidance for light, exercise, and caffeine timing), Caffeine Window (optimal stimulant timing based on your adenosine metabolism), Cycle & Ovulation (temperature and HRV-based ovulation prediction), Pregnancy Insights (biometric tracking during pregnancy), Ultra Age (biological age estimation), Vitamin D (sun exposure recommendations), and Blood Vision (blood biomarker interpretation). Most PowerPlugs are included free with the Ring AIR purchase. Some advanced PowerPlugs may be offered as premium add-ons depending on your region and promotional pricing.
User Reviews
quietowl28
App Store
I've had my ring for just under one year. Overall, I've been really happy with my Ultrahuman experience! The sizing kit is a great help with selecting size and finish. The shipping times are consistent. I also opted to purchase the extended warranty, which came in handy recently — I lost enough weight that my ring began to fit too loosely, and they got the replacement size ordered same day after I contacted support. The app experience is easy to use and the recent update that allows you to clean up the home navigation bar is incredible.
J.Churchill
LearnedFin
Galdena1
MikeS83726
R. Vasquez
Sarah M.
Thomas K.
Priya N.
David L.
Changelog
v3.2.4 — Mar 9, 2026:
· Small improvements and maintenance updates across the app
· Minor issues addressed; performance and overall usability improved
v3.2.3 — Feb 28, 2026:
· Smart Alarm: ability to gradually increase alarm volume for a gentler wake-up
· Food Logging: allow more customisation to change the food log date while in the food log flow
v3.2.2 — Feb 14, 2026:
· Performance improvements and bug fixes
· Improved Bluetooth sync reliability for Ring AIR
v3.2.1 — Jan 31, 2026:
· Stability improvements for background app sync on Android
· Bug fixes for Women's Health PowerPlug display
v3.2.0 — Jan 17, 2026:
· Enhanced Cycle & Ovulation PowerPlug: improved temperature-based ovulation detection accuracy
· Pregnancy Insights PowerPlug: updated trimester tracking with new biometric benchmarks
· UI improvements for Recovery detail view
v3.1.4 — Dec 26, 2025:
· Navigation bar customization — hide or rearrange app sections from the home screen
· Minor performance improvements and holiday bug fixes
v3.1.3 — Dec 12, 2025:
· Stress Rhythm: improved HRV sampling accuracy during daytime tracking
· Fixed display issues in Sleep stage breakdown chart
v3.1.2 — Nov 27, 2025:
· Improved background sync reliability — reduced cases where data uploads are delayed
· Performance improvements across iOS and Android
v3.1.1 — Nov 13, 2025:
· Bug fixes and stability improvements
· Improved workout detection and HR zone accuracy during real-time tracking
v3.1.0 — Oct 30, 2025:
· Major update: redesigned Recovery section with Dynamic Recovery scoring system
· Ultra Age biological age feature launched — track your aging trajectory from ring biomarkers
· New Zones social feature: share sleep, recovery, and movement scores with friends and family
· Improved Movement Index with sedentary break detection
Pricing InfoFree to download. Ring AIR one-time purchase from ~$349 USD — no subscription required for core analytics. Optional M1 CGM platform: $299/month, $699/3 months, or $2,399/year. Premium PowerPlugs may be available as add-ons. Ring is HSA/FSA eligible in the US.
If you're debating whether the Ultrahuman Ring is worth it, let me say: I wish I had this thing years ago. I was stuck in a cycle of fatigue, poor sleep, and zero motivation. Since using the Ultrahuman Ring, I've dropped 15 pounds, I'm sleeping better than I have in years, and I wake up with actual energy. The full ecosystem is unmatched — workouts, breathwork, meditations, and biohacks. Sleep tracking? Phenomenal. It didn't just tell me when I was sleeping poorly, it showed me why. This isn't just a fitness tracker, it's a daily accountability partner.
App Store
I absolutely love my Ultrahuman ring! I've had it for over seven months and it has been super helpful — my doctor uses the data to make better heart healthy lifestyle recommendations. I am sleeping better and performing better in my marathon races. The ring tracks my sleep patterns far better than my Garmin Fenix 7X, and is much more comfortable to wear at night. I really appreciate the fact that the ring offers so many features without a subscription. Customer support was outstanding when I had an issue — they ordered a replacement right away.
App Store
Have had my ring for 2-1/2 months and it was fantastic! There was a connectivity glitch, but Customer Service finally reached out and they sent me a new ring. I feel lost without my data — the recovery and sleep insights are genuinely useful. The app is intuitive once you learn it and the no-subscription model is a huge plus. Can't wait to get back to using it daily!
App Store
I was excited about the ring and pre-ordered it. The battery life was around 4 days in real use. Much of the data wasn't particularly accurate at first, but improved once I switched to a different finger with a tight fit. After going back and forth with support about a charging issue, they ended up sending a new version of the ring — which I'm now happily using. The sleep data is genuinely interesting once calibrated.
Google Play
The no-subscription model is what sold me and I haven't been disappointed. Sleep tracking is surprisingly accurate — it caught a pattern where my deep sleep was consistently low and prompted me to change my evening routine. Three months in and my Sleep Index has gone from the 60s to consistently in the 80s. The app is polished and the PowerPlugs like Caffeine Window have genuinely changed my daily habits. Highly recommend for anyone who hates paying monthly fees for their own health data.
Google Play
Been wearing this ring for 8 months as an endurance athlete and the Dynamic Recovery score has completely changed how I train. On days when my recovery is below 70 I keep the session easy, and I've had my best racing season in years as a result. The HRV trending is the most useful daily metric I've found. Ring is comfortable enough that I forget it's on, and 5 days of battery means I only charge it during my morning shower. Ultrahuman has earned a long-term customer.
Google Play
Overall excellent product. The ring hardware is great — titanium construction feels premium, very light, and doesn't get in the way during workouts or sleep. Sleep Index and Stress Rhythm are the standout features for me. The app can be a bit overwhelming with the amount of data but once you identify your key metrics it becomes easy to use daily. Minor annoyance: the app UI changes fairly often which means relearning where things are. But the data quality keeps me coming back.
Google Play
The Cycle & Ovulation PowerPlug is incredibly accurate — it predicted my ovulation window within 1-2 days consistently, better than dedicated cycle tracking apps I've tried. Combined with the sleep and recovery data, I have a much better understanding of how my cycle affects my energy, mood, and performance. The app integrates well with Apple Health on my iPhone. Docking one star for occasional Bluetooth sync delays, but the core product is excellent.
Google Play
The ring itself is genuinely impressive hardware and the sleep data is solid. I use it primarily for sleep tracking and HRV monitoring, where it excels. The M1 CGM integration is fascinating — seeing how specific meals spike my glucose has been eye-opening. My only gripes: the app gets updated frequently and the UI shifts around, and connectivity occasionally drops. Support resolved my issue within 48 hours. If you're patient with the app quirks, the underlying data quality is worth it.
Overall Rating
4.3
Google Play Downloads100K+
Version3.2.4
Size863.6 MB
Last Updated2026/03/09
Age Rating9+
Supported DevicesUltrahuman Ring AIR (all sizes 6–13); Ultrahuman M1 CGM (glucose monitor); Ultrahuman Home (environmental sensor)
Supported LanguagesEnglish and 20 more languages
CompatibilityRequires iOS 16.0 or later (iPhone, iPad, Mac, Apple TV, Apple Watch). Android 6.0+. Available worldwide.
Published date2026/03/12
Ultrahuman app
Ultrahuman Ring AIR — Hardware Overview
The Ultrahuman Ring AIR is the company's flagship smart ring, built for 24/7 comfort:
Construction: Fighter-jet-grade titanium with a concave exterior design that minimizes visible scratches
Weight: 2.4–3.6 g depending on ring size — the lightest smart ring available at launch
Battery: 4–6 days of typical use; charges via a compact USB-C dock
Water resistance: Suitable for swimming and everyday water exposure
Sizing: Available in sizes 6–13; free sizing kit available before ordering
Red Dot Design Award winner — recognized for outstanding industrial design
No Subscription Model — The Key Differentiator
One of the most frequently searched questions about Ultrahuman is "does Ultrahuman Ring require a subscription?" The answer is no — Ultrahuman's core ring analytics (Sleep Index, Dynamic Recovery, Movement Index, Stress Rhythm, PowerPlugs) are included in the one-time ring purchase price with no monthly fees.
Ring AIR pricing (as of early 2026): approximately $349 USD in the US market, with regional variations. The ring is also eligible for HSA/FSA spending in the United States, making it more accessible for health-conscious consumers who want to offset hardware costs with pre-tax dollars.
This stands in contrast to Oura Ring ($5.99/month membership required) and WHOOP (subscription-required hardware). For users who dislike recurring fees for health data access, the Ultrahuman Ring AIR is a compelling alternative.
PowerPlugs — Advanced Health Analytics
PowerPlugs are optional software modules layered on top of Ring AIR data, providing specialized health insights:
AFib Detection — Passive night-time screening for atrial fibrillation patterns using HRV rhythm analysis
Circadian Alignment — Personalized guidance on morning light exposure, exercise timing, and evening wind-down routines based on your chronotype
Caffeine Window — Recommends when to consume caffeine based on your adenosine clearance curve and sleep timing
Cycle & Ovulation — Ovulation and fertile window estimation using temperature, HRV, and heart-rate patterns
Pregnancy Insights — Tracks how sleep, HRV, and activity change across trimesters
Ultra Age — Estimates your biological age based on multiple biomarkers, showing whether your body is aging faster or slower than your chronological age
Vitamin D — Personalized sun-exposure timing recommendations
Blood Vision — Connects blood biomarker lab results to your ring data for a holistic health view
Most basic PowerPlugs are included free with the ring.
Ultrahuman vs Oura Ring — Comparison
Feature
Ultrahuman Ring AIR
Oura Ring 4
Form factor
Ring
Ring
Subscription
None (one-time purchase)
$5.99/month
Weight
2.4–3.6 g
2.3–3.3 g
Battery life
4–6 days
7–8 days
Sleep tracking
Advanced (Sleep Index)
Advanced (Sleep Score)
Recovery score
Dynamic Recovery
Readiness Score
Women's health
Cycle & Ovulation PowerPlug
Cycle Insights
Biological age
Ultra Age
No
CGM integration
Yes (M1 platform)
No
AFib detection
PowerPlug (passive)
No
Workout GPS
No
No
Water resistance
Swim-ready
100m IP68
Verdict: Ultrahuman wins on price transparency (no subscription), metabolic health depth (CGM integration), and Ultra Age. Oura wins on battery life, broader integration ecosystem (800+ apps), and longer track record of clinical validation. The best choice depends on whether you prioritize subscription-free access and metabolic insights (Ultrahuman) or sleep accuracy and integrations (Oura).
Integrations & Compatibility
The Ultrahuman app syncs with:
Apple Health — bidirectional health data sync on iOS
Google Health Connect — data sharing on Android
Strava, TrainingPeaks, Garmin Connect — workout data for athletes
Ultrahuman M1 CGM — real-time glucose data integration
Ultrahuman Home — environmental health (air quality, CO₂, light) correlation with sleep and recovery scores
Privacy & Compliance
Ultrahuman maintains HIPAA compliance for protected health information, GDPR compliance for European users (5+ consecutive years), and ISO 27001 certification for information security. Data collected includes health metrics, location (optional), and usage data — all encrypted in transit and at rest with user-controlled deletion rights.
Who Is the Ultrahuman App For?
The Ultrahuman app and Ring AIR are ideal for:
Biohackers and self-quantifiers seeking granular biomarker data without subscription fees
Metabolic health enthusiasts who want to combine ring data with CGM glucose monitoring
Athletes and active users wanting recovery guidance to balance training load
Women tracking menstrual health — ovulation prediction and cycle analytics via PowerPlugs
People interested in longevity — Ultra Age biological age scoring
Important note (2026): Ultrahuman temporarily paused direct US Ring AIR sales following a trade ruling. The company is actively working on US manufacturing options and a next-generation ring. Existing US users retain full app access and support. Check ultrahuman.com for the latest availability.
Note: Ultrahuman Ring AIR is not a medical device. It is designed for general fitness and wellness purposes. Always consult a healthcare professional for medical decisions.
