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Top Heart Rate Monitor Rings Compared for 2025

Compare the best Heart Rate Monitor Ring options for 2025. See which smart rings lead in accuracy, comfort, battery life, and value for your health goals.

Looking for the best smart ring in 2025? The Oura Ring 4 stands out as the top heart rate monitor ring this year. You might notice more people choosing rings over watches for tracking health. Smart rings like Oura Ring 4, Samsung Galaxy Ring, Ultrahuman Ring Air, and RingConn Gen 2 Air deliver comfort, accuracy, and seamless heart rate monitoring.

Smart rings now lead the health tech trend, thanks to precise finger sensors and a market value nearing $441 million.
If you want the best smart ring for daily heart rate tracking, these four models deserve your attention.

Key Takeaways

  • Oura Ring 4 is very accurate and comfortable. It tracks health in advanced ways. This makes it the best smart ring for heart rate checks.

  • Samsung Galaxy Ring is good for Android users. It does not need a subscription. It has helpful tools like sleep tracking and energy scores.

  • Ultrahuman Ring Air gives full health data with no monthly fees. It is great for people who want to pay only once.

  • RingConn Gen 2 Air tracks heart rate well and has a long battery life. It costs less, so it is good for people who want to save money.

  • When picking a smart ring, think about comfort and battery life. Also, check if the sensors are accurate. Choose the health features that match your needs.

Best Heart Rate Monitor Ring

Choosing the best smart ring can feel overwhelming with so many options in 2025. Letโ€™s break down the top picks so you can find the right heart rate monitor ring for your needs.

Best Overall

Oura Ring 4
If you want the best smart ring for heart rate tracking, the Oura Ring 4 leads the pack. This ring stands out because it adapts to your body with Smart Sensing technology. You get highly accurate and continuous data, thanks to its advanced 18-path multi-wavelength PPG sensors. The titanium coating feels smooth and works well for sensitive skin. Oura made the sensors recessed, so you barely notice the ring on your finger. You can pick from a wide range of sizes, from 4 to 15, which means almost anyone can wear it comfortably. The battery lasts up to 8 days, and the new charger makes powering up easy.

The Oura app now tracks over 40 activities, monitors daytime stress, and even helps women track fertility cycles.
If you want a heart rate monitor ring that does it all, Oura Ring 4 is the best smart ring for most people.

Best for Android

Samsung Galaxy Ring
If you use an Android phone, the Samsung Galaxy Ring might be your best smart ring choice. You donโ€™t have to pay a subscription fee to see your health data, which saves you money over time. The battery lasts up to 7 days, and you can fully charge it in about 80 minutes. The ring looks like a regular piece of jewelry, so you can wear it all day and night without discomfort.
You get detailed sleep tracking, heart rate, blood oxygen, skin temperature, and even menstrual cycle tracking. The Energy Score gives you simple advice on when to train or rest. You can control your phone with a finger pinch and even find your ring if you lose it.

The Galaxy Ring works only with Android phones, but it fits right into your daily routine if youโ€™re already in the Samsung ecosystem.
For Android users who want a heart rate monitor ring that is easy to use and subscription-free, this is the best smart ring to consider.

Best Subscription-Free

Ultrahuman Ring Air
If you want the best smart ring without monthly fees, check out the Ultrahuman Ring Air. You get full access to your health data with no extra charges. This ring tracks your heart rate, sleep, and activity levels. It also gives you insights into your recovery and readiness each day.
The Ultrahuman Ring Air feels light and comfortable, so you can wear it all the time. The battery lasts several days, and the app is simple to use.

Many people like this ring because you pay once and get all the features, making it a great value for long-term use.
If you want a heart rate monitor ring that wonโ€™t surprise you with extra costs, Ultrahuman Ring Air is one of the best smart rings for you.

Best Affordable Option

RingConn Gen 2 Air
If you want a budget-friendly heart rate monitor ring, the RingConn Gen 2 Air is a smart pick. It costs $199, which is much less than many other rings. You get up to 10 days of battery life and a simple USB-C charging dock.
Hereโ€™s a quick look at how it compares:

Feature

RingConn Gen 2 Air

RingConn Gen 2 (Premium)

Price

$199

$362

Battery Life

Up to 10 days

Up to 12 days

Charging Method

USB-C dock

Charging case

Sleep Apnea Monitoring

Not available

Available

Materials

Stainless steel

Titanium

You donโ€™t get sleep apnea monitoring or a charging case, but you still get reliable heart rate tracking and good comfort.

If you want the best smart ring for your wallet, RingConn Gen 2 Air gives you solid features at a great price.

Best Smart Rings 2025

Oura Ring 4

You want the best smart ring for health tracking? Oura Ring 4 gives you medical-grade accuracy and real-time heart rate monitoring. The ring uses advanced sensors to track your heart rate, SpOโ‚‚, and temperature all day. You get detailed sleep tracking metrics, including sleep stages and readiness scores. The titanium build feels smooth and fits almost any finger size. Ouraโ€™s app offers easy-to-understand health insights, so you always know how your body is doing. The battery lasts up to 8 days, so you donโ€™t have to charge it often.
Pros:

  • Accurate health tracking

  • Wide size range

  • Best for sleep tracking
    Cons:

  • Subscription needed for full features

  • Higher price than some rings

Samsung Galaxy Ring

If you use Android, the Samsung Galaxy Ring might be your best smart ring. This ring feels light and comfortable, thanks to its thin titanium design. You can wear it all day and even in the shower. The battery lasts 7-8 days, and the charging case gives you extra power on the go. You get real-time heart rate, SpOโ‚‚, and temperature tracking. The ring also offers sleep monitoring and an Energy Score to guide your daily activity.
Pros:

  • No subscription fees

  • Best for sleep tracking on Android

  • Stylish and discreet
    Cons:

  • Only works with Android

  • Some users notice the ring spins on the finger

Ultrahuman Ring Air

Looking for the best smart ring with no extra fees? Ultrahuman Ring Air stands out. It is super light and made from strong titanium. You get 24/7 heart rate, HRV, and skin temperature tracking. The ring gives you advanced sleep tracking metrics and real-time recovery scores. You also get free personalized coaching from experts.

Feature

Details

Weight

2.4g (very light)

Comfort

Hypoallergenic, smooth lining

Monitoring

Continuous HRV, skin temp, AFib detection

Subscription

None (one-time purchase)

Pros:

 

  • No subscription

  • Best for sleep tracking metrics

  • Personalized coaching
    Cons:

  • Fewer color options than some rings

RingConn Gen 2 Air

If you want the best smart ring for your budget, RingConn Gen 2 Air is a great pick. The ring is thin and light, so you barely feel it. You get 24/7 health tracking, including heart rate, SpOโ‚‚, and sleep tracking. The battery lasts up to 10 days. The app gives you lots of data, but you need to interpret the health insights yourself.

Strengths

Weaknesses

Lightweight, comfy

Limited activity tracking

Long battery life

App lacks actionable insights

Good for sensitive skin

Manual data interpretation

Pros:

 

  • Affordable

  • Long battery life

  • Discreet design
    Cons:

  • Fewer activity tracking modes

  • App is less user-friendly

Tip: When you choose the best smart ring, look for comfort, battery life, and the health tracking features you need most. Many users want sleep tracking, medical-grade accuracy, and no hidden fees.

Comparison: Features & Comfort

Comparison: Features & Comfort

Sensor Technology

Smart rings in 2025 have new sensor technology. They use PPG, EDA, and skin temperature sensors. PPG sensors touch your finger near your arteries. This spot helps measure your heart rate better than a smartwatch. These rings use AI and machine learning to check your health data. The software learns your habits over time. You get fast and accurate results every day. These rings mix tiny sensors with smart software for great health tracking.

Hereโ€™s a quick look at how 2025 rings compare to older models:

Feature/Aspect

2025 Heart Rate Monitor Rings

Previous Years

Health Sensors

Advanced, more accurate

Basic sensors

Battery Life

8-12 days

Shorter life

Design

Sleek, lightweight, durable

Bulky, plain

Unique Features

Sleep apnea detection, detailed analysis

Fewer features

Workout Tracking

Improved, some manual start

Less advanced

Compatibility

More ecosystem options

Fewer choices

Smart rings in 2025 are more accurate and have more features than before.

Wearability

You want a ring that feels nice all day and night. The best rings use smooth titanium or stainless steel. These materials are light and do not bother your skin. Oura Ring 4, Samsung Galaxy Ring, Ultrahuman Ring Air, and RingConn Gen 2 Air all focus on comfort. You can wear them to bed, in the shower, or at the gym. Some rings come in many sizes for a perfect fit. For the best comfort, pick a ring with a rounded inside and a hypoallergenic finish. You might even forget you have it on.

Tip: The best rings for comfort help you track your health easily. You get style, a good fit, and peace of mind in one small ring.

Accuracy & Battery Life

Heart Rate Tracking

You want your smart ring to give you reliable heart rate data. In 2025, smart rings have become much more accurate. Clinical studies show that the Oura Ring Generation 3, for example, matches up closely with medical sleep tests. Hereโ€™s what researchers found:

  • The Oura Ring showed 94.4% sensitivity and 91.7% overall accuracy for sleep measurement compared to the gold standard, polysomnography.

  • In a sleep study, the Oura Ring agreed with lab results 79% of the time for sleep stages. Thatโ€™s almost as good as trained technicians, who agreed 83% of the time.

  • The ring measured total sleep time, deep sleep, and how long it took to fall asleep with no big differences from lab equipment.

  • The device had 94.8% reliability and strong consistency between different rings.

  • Clinical trials, like the Nuritas PeptiSleep study, used the Oura Ring to track heart rate variability and deep sleep in real-world settings.

  • The Apple Heart & Movement Study included over 250,000 people and proved that wearable rings can track heart rate and sleep on a large scale.

  • New AI tools and better sensors help smart rings deliver clinical-grade accuracy for continuous heart rate tracking.

You can trust that the best smart rings in 2025 give you heart rate data thatโ€™s almost as good as what youโ€™d get in a sleep lab.

Battery Performance

You probably want a ring that lasts for days without charging. Battery life is a big deal when you wear your ring all the time. Some rings stand out as the best for battery life, letting you track your health without worrying about charging every night.

Hereโ€™s a quick look at how long the top rings last:

Ring Model

Battery Life (Manufacturer & User Reports)

Notes

RingConn Gen 2

8 โ€“ 12 days

Longest battery life among top rings

Oura Ring Gen 4

6 โ€“ 8 days

Popular wellness ring

Samsung Galaxy Ring

5 โ€“ 7 days

Best for Android users

Ultrahuman Ring Air

4 โ€“ 6 days

Fitness and metabolic focus

Movano Evie Ring

4 โ€“ 5 days

Womenโ€™s health focus

Noise Luna Ring

3 โ€“ 5 days

AI coaching, newcomer

Happy Ring

~3 days

Stress and mood tracking

Amazfit Helio Ring

3 โ€“ 4 days

Budget option

Prevention Circul+ Ring

~16 hours (less than 1 day)

Medical-grade, requires daily charging

Circular Ring Slim

2 โ€“ 4 days

Stylish, lightweight

Circular Ring 2

Up to 8 days

Adds ECG, improved waterproofing

Bar chart comparing average battery life of top heart rate monitor rings in 2025

Most smart rings last between 5 and 7 days on a single charge. If you want the best for battery life, the RingConn Gen 2 gives you up to 12 days, which is the longest among top picks. Oura Ring Gen 4 and Circular Ring 2 also rank as best for battery life, lasting up to 8 days. You can wear these rings all week and not worry about charging. If you want a ring that is best for battery life, look for these models first.

Value & Pricing

Cost Comparison

When you look for a smart ring, price matters. You want to know what you get for your money. Some rings cost more because they offer extra features or a premium feel. Others keep things simple and affordable.

Hereโ€™s a quick look at how the top heart rate monitor rings compare in 2025:

Ring Model

Price (USD)

Price (GBP)

Subscription Fee

Notes

Ultrahuman Ring Air

$349

ยฃ329

None

Multiple finishes; no phone ecosystem requirement

RingConn Gen 2 Air

$299

ยฃ299

None

Slightly cheaper; works with iOS and Android

Oura Ring 4

N/A

N/A

N/A

No pricing info available

Samsung Galaxy Ring

N/A

N/A

N/A

No pricing info available

You see that Ultrahuman Ring Air sits at $349, while RingConn Gen 2 Air comes in a bit lower at $299. Both give you full access to health data without extra fees. Oura Ring 4 and Samsung Galaxy Ring have not shared their prices yet, so you might need to check their official sites for updates.

๐Ÿ’ก Tip: If you want to save money, RingConn Gen 2 Air gives you solid features at a lower price. Ultrahuman Ring Air costs more but offers a premium build and no phone restrictions.

Subscription Fees

Nobody likes surprise costs. Some smart rings ask you to pay a monthly fee to unlock all features. Others give you everything with a one-time purchase.

  • Ultrahuman Ring Air and RingConn Gen 2 Air stand out because you pay once and get all the features. No hidden fees. You can track your heart rate, sleep, and more without worrying about extra charges.

  • Oura Ring 4 usually asks for a subscription if you want advanced insights and reports. You get basic tracking for free, but the best features sit behind a paywall.

  • Samsung Galaxy Ring does not charge a subscription fee. You get full access to your health data right out of the box.

If you want to avoid monthly payments, look for rings that offer a subscription-free experience. This way, you know exactly what you pay and what you get.

Choosing the right smart ring means thinking about both the upfront cost and any ongoing fees. You want a ring that fits your budget and your lifestyle.

How to Choose a Heart Rate Monitor Ring

User Needs

When you pick a heart rate monitor ring, you want it to fit your lifestyle and health goals. Start by thinking about what matters most to you. Do you want the best for sleep tracking, or do you care more about all-day health insights? Some rings focus on sleep monitoring, while others give you a full picture of your heart rate, SpO2, and even stress levels.

Health technology experts say you should look for rings with accurate sensors, long battery life, and easy charging. Comfort is key, too. You want a ring that feels light and smooth, so you forget youโ€™re wearing it. Many people also want advanced features like AI-powered health insights, sleep apnea detection, and multi-metric tracking. Privacy and how well the ring works with your favorite apps or your doctorโ€™s office can make a big difference.

Hereโ€™s a quick table to help you compare what experts recommend:

Factor

Why It Matters

Sensor Accuracy

More reliable heart rate and SpO2 readings

Continuous Monitoring

24/7 data for better health insights

Battery Life & Charging

Less time charging, more time tracking

Comfort & Usability

Wear it all day and night without discomfort

Advanced Features

Get the best for sleep tracking, AI insights, and more

Privacy & Integration

Keep your data safe and connect with health apps or providers

Tip: Think about your daily routine. If you want the best for sleep tracking and health insights, choose a ring that offers both.

Sizing & Fit

Getting the right size matters more than you might think. If your ring feels too loose or too tight, you wonโ€™t get good data. Many brands, like Ultrahuman Ring Air, send you a sizing kit before you buy. This helps you find the perfect fit for your finger. Most people wear their smart ring on the ring, middle, or index finger for the best results.

Finger size can change during the day, so try your sizing kit at different times. If your ring fits well, youโ€™ll get more accurate sleep tracking and heart rate data. Users say that a good fit makes the ring so comfortable, you might forget you have it on. But if the fit is off, you could see spotty data or even want to return the ring.

Common reasons for returns include poor sizing, missing health data, or discomfort. Some people even switch fingers to get better results. Always check the return policy before you buy, just in case you need a different size.

Note: The right fit means better comfort, more accurate health insights, and the best for sleep tracking.

Best Smart Ring Comparison Chart

It is easier to pick a smart ring when you see them side by side. You might want to know which ring is the lightest or which one has the best sensors. Some rings let you swim deeper than others. Here is a chart that helps you compare the top heart rate monitor rings for 2025:

Smart Ring

Weight (g)

Sensors

Color Options

Water Resistance

Price (USD)

Subscription

Unique Features

Oura Ring Gen 4

3-4

PPG, skin temp, accelerometer, IR sensor

Silver, titanium, matte black, stealth, gold

IPX8 (100m swim-proof)

$349

$5.99/mo

Advanced sleep, stress, readiness

Samsung Galaxy Ring

2.3-3

Skin temp, PPG, accelerometer

Black, gold, silver

IP68/10ATM (100m)

$399

None

Sleep coaching, energy score

RingConn Gen 2

2-3

PPG, SpO2, skin temp, accelerometer

Silver, black, gold

IP68 (50m)

$299

None

Comfort, reliable tracking

Ultrahuman Ring Air

2.4-3.6

PPG, SpO2, skin temp, accelerometer

Black, grey, gold, silver

IPX8 (100m swim-proof)

$349

None

Recovery, circadian rhythm

Circular Ring Slim

2

PPG, bioimpedance, accelerometer

Black

IPX8

$275

None

Ultra-light, core tracking

Prevention Circul+

4.9

PPG, accelerometer

Silver, black, rose gold

IP67 (1m for 30 min)

$269

None

Medical focus, basic tracking

Movano Evie Ring

3.2-3.7

PPG, temp, accelerometer, gyroscope

Silver, rose gold, black (soon)

IPX8 (50m swim-proof)

$269

None

Womenโ€™s health, mood, menstrual

Amazfit Helio

3.75-4

PPG, accelerometer, temp, EDA sensor

Titanium

IP68/10ATM (100m)

$199

None

Budget, good battery, fewer sizes

Tip: If you want a ring that feels super light, look at the Circular Ring Slim or Samsung Galaxy Ring. These are some of the lightest rings you can buy.

Bar chart comparing the weights of leading heart rate monitor rings in 2025

Most smart rings weigh less than 4 grams. Lighter rings are more comfy for wearing all day. Some rings, like Oura Ring Gen 4 and Ultrahuman Ring Air, let you swim as deep as 100 meters. Other rings, like Prevention Circul+, can only handle a little water.

If you look at price, Amazfit Helio is the cheapest at $199. Samsung Galaxy Ring is the most expensive at $399, but you do not pay a monthly fee. Oura Ring Gen 4 has the most features, but it costs more and has a subscription.

Each ring is good for something different. Some rings, like Movano Evie Ring, are made for womenโ€™s health. Others, like Ultrahuman Ring Air, help you track recovery and sleep. You get to choose what is most important for your health.

You have lots of great choices for heart rate monitor rings in 2025. If you want the best overall, Oura Ring 4 stands out. Samsung Galaxy Ring works best for Android fans. Ultrahuman Ring Air is perfect if you hate subscriptions, and RingConn Gen 2 Air gives you top value.

Most buyers look for accurate health tracking, comfort, and style.
Check the comparison chart to see which ring matches your needs. Before you buy, think about what matters mostโ€”battery life, price, or extra features. Want the latest deals? Take a look at user reviews and shop smart!

FAQ

How accurate are heart rate monitor rings?

You get very accurate readings with most top smart rings. Many studies show that rings like Oura and Samsung Galaxy Ring match medical devices for heart rate and sleep tracking. You can trust the numbers for daily health checks.

Can I wear my smart ring in the shower or while swimming?

Most smart rings let you shower or swim without worry. For example, Oura Ring 4 and Ultrahuman Ring Air are water-resistant up to 100 meters. Always check your ringโ€™s water rating before jumping in the pool.

Do I need a subscription to use all features?

Some rings, like Oura Ring 4, need a monthly subscription for full features. Others, such as Ultrahuman Ring Air and RingConn Gen 2 Air, give you everything with a one-time purchase.

Tip: Always check for hidden fees before you buy.

How do I find the right size for my smart ring?

You usually get a free sizing kit before you order. Try the sample rings at different times of day. Your finger size can change, so test for the best fit.

  • A good fit means better comfort

  • Accurate health data

Can I use a smart ring with any phone?

Most smart rings work with both iOS and Android. The Samsung Galaxy Ring only works with Android phones. Always check compatibility before you buy.

If you switch phones often, pick a ring that supports both systems.

 

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