Oura Ring vs. WHOOP 4.0: Which is Better for You?
Choosing a in 2025 isn’t simple.
We looked at reviews, specs, and overall performance to narrow it down.
One came out ahead.
1
Oura Ring 4 - Black - Size 8 - Smart Ring - Unique Sizing, Not Standard US Ring Sizes - Size First - Sleep Tracking Wearable - Heart Rate - Fitness Tracker -...
9.7
Amazon.com
2
Oura Ring Gen3 Heritage - Black - Size 10 - Smart Ring - Size First with Oura Ring Gen3 Sizing Kit - Sleep Tracking Wearable - Heart Rate - Fitness Tracker -...
9.5
Amazon.com
3
Oura Ring 4 Charger - Size 7 - Charging Dock and USB-C Cable - Charges Oura Ring 4 up to 8 Days
9.3
Amazon.com
4
2-Pack Gold Plated Stacking Rings for Oura Ring 4/Gen 3,Non Tarnish,Matte Finish Sandblast with Zirconia Simulated Diamond Ring Stack for Women-Silver-Size 8
8.9
Amazon.com
Top Pick
This is the product that stood out most — for performance, price, and overall value.
Oura Ring 4 - Black - Size 8 - Smart Ring - Unique Sizing, Not Standard US Ring Sizes - Size First - Sleep Tracking Wearable - Heart Rate - Fitness Tracker -...
$349.00
PRIMEPRIME
in stock
Amazon.com
Features
| Part Number | JZ90-54144-08 |
| Model | JZ90-54144-08 |
| Warranty | 1 Year Manufacturer |
| Color | Black |
| Release Date | 2024-10-15T00:00:01Z |
| Size | 8 |
| Language | English |
- SIZE BEFORE YOU BUY - Oura Ring 4 sizes are different from standard ring sizes. Size yourself with the Oura Ring 4 Sizing Kit. For additional details, see “From the brand” section below
- OURA MEMBERSHIP - First month of membership is included with purchase, for new members only. Subscription is 5.99/mo afterwards. Or opt for the annual prepaid option for 69.99. Membership is tied to your account via the Oura App, not your physical ring
- ACCURACY - SMART SENSING - Oura tracks over 30 biometrics, including sleep, activity, stress, heart health, and women’s health metrics. Oura Ring 4 is powered by Smart Sensing, which adapts to you — delivering accurate, continuous data, day and night
- LONG LASTING BATTERY - With up to 8 days of battery life, no screens and no vibrations, Oura Ring 4 allows you to focus on the present. From a workout to a night out — you’re free to forget it’s on. Until you start getting compliments
- DESIGNED FOR 24/7 WEAR - The updated design of the Oura Ring 4 is more comfortable, fits better than ever, and is water resistant. The first all-titanium smart ring combines exceptional durability with a gentle touch, even for sensitive skin
- SYNC WITH YOUR FAVORITE APPS - Compatible with iOS and Android — Oura seamlessly integrates with over 40 apps including Apple Health, Google Health Connect, Natural Cycles, Flo, Strava, & more
- HSA/FSA ELIGIBLE - We can accept HSA or FSA funds for the following: Oura Ring, Oura Ring Chargers
- LOOKING FOR THE BEST HEALTH TRACKER? - Whether you’re searching for a sleep ring or fitness ring, Oura Ring 4 is for you — this revolutionary smart ring that allows you to discreetly track your sleep, activity, recovery and stress — in style
Other Options That Stood Out
Here are the other options we recommend. Each brings something different to the table, depending on what you’re looking for.
Oura Ring 4 - Black - Size 8 - Smart Ring - Unique Sizing, Not Standard US Ring Sizes - Size First - Sleep Tracking Wearable - Heart Rate - Fitness Tracker -...
$349.00
PRIMEPRIME
in stock
Amazon.com
Features
| Part Number | JZ90-54144-08 |
| Model | JZ90-54144-08 |
| Warranty | 1 Year Manufacturer |
| Color | Black |
| Release Date | 2024-10-15T00:00:01Z |
| Size | 8 |
| Language | English |
- SIZE BEFORE YOU BUY - Oura Ring 4 sizes are different from standard ring sizes. Size yourself with the Oura Ring 4 Sizing Kit. For additional details, see “From the brand” section below
- OURA MEMBERSHIP - First month of membership is included with purchase, for new members only. Subscription is 5.99/mo afterwards. Or opt for the annual prepaid option for 69.99. Membership is tied to your account via the Oura App, not your physical ring
- ACCURACY - SMART SENSING - Oura tracks over 30 biometrics, including sleep, activity, stress, heart health, and women’s health metrics. Oura Ring 4 is powered by Smart Sensing, which adapts to you — delivering accurate, continuous data, day and night
- LONG LASTING BATTERY - With up to 8 days of battery life, no screens and no vibrations, Oura Ring 4 allows you to focus on the present. From a workout to a night out — you’re free to forget it’s on. Until you start getting compliments
- DESIGNED FOR 24/7 WEAR - The updated design of the Oura Ring 4 is more comfortable, fits better than ever, and is water resistant. The first all-titanium smart ring combines exceptional durability with a gentle touch, even for sensitive skin
- SYNC WITH YOUR FAVORITE APPS - Compatible with iOS and Android — Oura seamlessly integrates with over 40 apps including Apple Health, Google Health Connect, Natural Cycles, Flo, Strava, & more
- HSA/FSA ELIGIBLE - We can accept HSA or FSA funds for the following: Oura Ring, Oura Ring Chargers
- LOOKING FOR THE BEST HEALTH TRACKER? - Whether you’re searching for a sleep ring or fitness ring, Oura Ring 4 is for you — this revolutionary smart ring that allows you to discreetly track your sleep, activity, recovery and stress — in style
Oura Ring Gen3 Heritage - Black - Size 10 - Smart Ring - Size First with Oura Ring Gen3 Sizing Kit - Sleep Tracking Wearable - Heart Rate - Fitness Tracker -...
$199.00
PRIMEPRIME
in stock
Amazon.com
Features
| Part Number | JZ90-1001-10 |
| Model | JZ90-1001-10 |
| Warranty | 1 year manufacturer |
| Color | Black |
| Release Date | 2025-03-18T00:00:01Z |
| Size | 10 |
| Language | French |
- SIZE BEFORE YOU BUY – Size with Gen3 Sizing Kit prior to purchasing Oura Ring Gen3 (different sizing from Oura Ring 4). For additional details, see “From the brand” section below.
- THE REVOLUTIONARY SMART RING - Track your sleep, activity, stress, heart rate and more with the Oura Membership. First month included for new members, then is 5.99/mo. Register for Oura Membership on the Oura App. Oura Membership is not sold on Amazon
- MORE ACCURATE BY DESIGN - Your finger provides the most accurate pulse reading, making your health data and insights more personal than ever. Oura Ring’s research grade sensors monitor over 20 biometrics with precision
- SYNC WITH YOUR FAVORITE APPS - Compatible with iOS and Android — Oura seamlessly integrates with over 40 apps including Apple Health, Google Health Connect, Natural Cycles, Flo, Strava, & more
- HSA/FSA ELIGIBLE - We can accept HSA or FSA funds for the following: Oura Ring, and additional chargers
Oura Ring 4 Charger - Size 7 - Charging Dock and USB-C Cable - Charges Oura Ring 4 up to 8 Days
$59.00
PRIMEPRIME
in stock
Amazon.com
Features
| Part Number | JZ95-54834-07 |
| Model | JZ95-54834-07 |
| Warranty | 1 Year Manufacturer |
| Color | Charger, Grey |
| Release Date | 2024-10-15T00:00:01Z |
| Size | 7 |
| Language | English |
- OURA RING 4 CHARGER - This is the only way to charge your Oura Ring 4. This USB-C cable charger is size specific, so be sure to get the size that fits your Oura Ring 4. You can find your Oura Ring 4 size on the inside of your Oura Ring 4.
- CHARGERS ARE SIZE-SPECIFIC - Your Oura Ring 4 size can be found on the inside of your smart ring.
- CHARGING TIME - Your Oura Ring 4 typically charges fully in 20-80 minutes, depending on its current battery level.
- BATTERY LEVEL IN OURA APP - You can check the battery level by tapping the circular icon in the upper right-hand corner of the home tab.
- POWER CORD COMPLIANCE - The USB-C to USB-C Oura Ring 4 Cable cord is intended to be supplied by an external 5Vdc supply that complies with IEC 62368-1 standard.
2-Pack Gold Plated Stacking Rings for Oura Ring 4/Gen 3,Non Tarnish,Matte Finish Sandblast with Zirconia Simulated Diamond Ring Stack for Women-Silver-Size 8
$14.99
PRIMEPRIME
in stock
Amazon.com
Features
| Color | Silver |
| Size | 8 |
- Stacking Ring for Oura Ring: Elevate your Oura Ring’s aesthetic with our meticulously designed stacking band. Crafted to align flawlessly with Oura’s signature profile, this minimalist ring adds customizable elegance without overpowering your original piece. Available in sizes 5–10 to suit most wearers. Pro Tip: Match your finger size using our detailed chart (in images) for a snug.
- Cubic Zirconia Sparkle Ring: Crafted in premium 14K gold-plated brass with nickel-free, lead-free construction and scratch-resistant polish for enduring brilliance. Features dazzling lab-created cubic zirconia in a continuous halo setting, offering diamond-like sparkle that symbolizes timeless love while maintaining affordable luxury
- Sandblasted Matte Ring: Crafted with durable hypoallergenic alloys for fade-resistant, rust-proof strength. Features a unique sandblast texture, elegant detailing, and a smooth high-polish inner face, finished by hand for refined comfort.
- Versatile Gift-Ready Elegance: Curated for self-care indulgence or heartfelt gifting. Romantic and elegant, ideal for your lover, girlfriend, sister, mother, friend or significant other on birthdays, anniversaries, Mother’s Day, Galentine’s, or "just because" moments.
- Service: Package Includes 1-pack simulated diamond stacking ring and 1-pack matte sandblast stacking ring (Note: Oura Ring Not Included).).For any quality issues, please contact us for replacement anytime.
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