Does the Ultrahuman Ring AIR require a subscription?

No. The app's health insights come without a monthly fee, which sets it apart from subscription-based rivals like Oura.

How does it compare with the Oura Ring?

Both track sleep, heart rate and temperature. The Ring AIR is lighter and has no subscription; Oura has a longer track record and a more established app.

Can the ring be resized?

No. It is a fixed band, so the fit depends on ordering the correct size from the start.

The box contains the Ultrahuman Ring AIR.

Does it track workouts?

Yes. A dedicated workout mode records heart rate during exercise, and it also counts steps and calories.

How long does the battery last?

Ultrahuman rates it for several days per charge, but owners report capacity dropping over months of use.

Where is the Ultrahuman air smart ring cheapest?

At Best Buy, for $349.00, as of our latest check.

What do buyers say about the Ultrahuman air smart ring?

Buyers like: Excellent sleep tracking and insights; Lightweight and comfortable, even at night; No monthly subscription fees. Common complaints: Battery life degrades quickly; one reviewer said it wouldn't hold a charge longer than 3 hours after 28 days; No replacements available due to a ban in the US, per one reviewer.

Where can I buy the Ultrahuman air smart ring?

2 stores we checked sell it, including Best Buy, Walmart.

Ultrahuman air smart ring Price History: Lowest $349.00 at Best Buy

What reviewers say

Owners like the sleep tracking, the light feel and the lack of a subscription. The recurring complaint is battery life that degrades, with one ring holding a charge for only about 3 hours after 28 days.

What people mention

Sleep trackingPraisedOwners say the sleep stage breakdown and recovery tips are the ring's strongest feature.
ComfortPraisedReviewers find it light enough to forget at night, helped by the smooth inner shell.
SubscriptionPraisedBuyers value getting the health insights without a recurring fee.
Battery lifeCriticisedSeveral owners report the battery degrading, one to under 3 hours of charge after 28 days.
AvailabilityCriticisedOne reviewer says replacements were unavailable in the US.

From Walmart

Notch-less, ultra-thin design with a smooth inner shell for comfort day and night
Weighs just 2.4 grams, described as the lightest smart ring on the market
Tracks sleep stages (REM, Deep, Light, Wakefulness) with actionable steps to improve sleep
Monitors movement, heart rate, heart rate variability and skin temperature
Movement Index encourages more non-exercise activity; tracks steps, workouts and calories
Dedicated Workout Mode tracks heart rate during workouts

Sizing: Ultrahuman Ring sizes differ from standard ring sizes; the page says to purchase the Ultrahuman Sizing Kit first to get the perfect Ring AIR size. Available in
Returns: Free 90-day returns
Shipping: Free shipping
In the box: Ultrahuman Ring AIR

About the Ultrahuman air smart ring

The Ultrahuman Ring AIR is a smart ring with a notch-less, ultra-thin design. Its inner shell is smooth. It weighs 2.4 grams and is made of Fighter Jet grade titanium.

It tracks sleep stages (REM, Deep, Light and Wakefulness) and gives steps to improve sleep. It also monitors movement, heart rate, heart rate variability and skin temperature.

The Movement Index encourages more non-exercise activity. The ring tracks steps, workouts and calories. A dedicated Workout Mode tracks heart rate during workouts.

Material: Fighter Jet grade titanium
Color: Silver
Ring size: 14
Sizing: Ultrahuman ring sizes differ from standard ring sizes. The Ultrahuman Sizing Kit is recommended for finding the right Ring AIR size.
Style: Band, round, solid pattern
Resizable: No
Weight: 2.4 g (0.01 lb assembled product weight)
Sleep tracking: REM, Deep, Light and Wakefulness stages
Sensors: Heart rate, heart rate variability, skin temperature, movement
Activity tracking: Steps, workouts, calories, Movement Index, Workout Mode
Product line: AIR
Model: SS14
Piece count: 3
In the box: Ultrahuman Ring AIR

What buyers say

Buyers like

Excellent sleep tracking and insights
Lightweight and comfortable, even at night
No monthly subscription fees
User-friendly app with useful health tips and recommendations
Good for workouts and recovery tracking
Attractive, durable design

Buyers complain about

Battery life degrades quickly; one reviewer said it wouldn't hold a charge longer than 3 hours after 28 days
No replacements available due to a ban in the US, per one reviewer