Oura Ring 4
Fitness Trackers

Ring 4

Oura

Released Sep 2024

Oura Ring 4 offers a comfortable, lightweight fit with an 8-day battery and discreet design for all-day fitness tracking. The Oura Ring 4 scores 85/100 based on 17 expert reviews.

Critic Score

8517 reviews

Where to buy

Pros

  • Accurate sleep tracking(14)
  • Comfortable fit(9)
  • Six-day battery life(9)
  • Excellent battery life (8 days)(4)
  • Lightweight design(3)

Cons

  • High price(12)
  • Monthly subscription(4)
  • Thick for a ring(2)
  • Requires a monthly fee for most features(2)

17 Critic Reviews

90
Pcmag

The Oura Ring 4 provides numerous details about your fitness, sleep, and stress, making it the best smart ring on the market and one of the top holistic health trackers overall.

90
WiredOct 2024

The Oura Ring 4 features significant hardware and software updates that make it more accurate, easier to wear, and more stylish than previous generations.

88
CosmopolitanJan 2026

After wearing the Oura Ring 4 for an entire year, I'm ready to give you my full, in-depth, scientifically-proven review—it's broken down into sections that are easy to scroll through in case you're lo...

88
CnnDec 2025

The Oura Ring 4 Ceramic is a gold-standard fitness and longevity tracker that offers durable construction, long battery life, and accurate health insights, though its high price and limitations for ru...

88
TechadvisorOct 2025

The Oura Ring 4 gives you the best balance in design, tracking, battery and insights that as a package make it the standout smart ring to beat.

85
CntravelerNov 2025

After three months with the Oura Ring 4, the reviewer is convinced it's absolutely worth it and has become a helpful tool for mindful travel and daily health tracking.

85
WomanandhomeOct 2025

The Oura Ring 4 is the most discreet tracker on the market with major upgrades like the Smart Sensing Platform, updated app, and ceramic designs, making it comfortable to wear and easy to delve into y...

85
Cnet

CNET's review praises the Oura Ring 4 as one of the most accurate health trackers tested, highlighting its sleek design, actionable health metrics, and ability to detect signs of sickness, while notin...

85
NytimesJul 2025

The Oura Ring 4 offers improved accuracy, comfort, and battery life, making it a worthy upgrade for those seeking detailed sleep and health tracking in a discreet wearable.

85
AfrJan 2026

The latest ring from the controversial Finnish health-tracking company is about as set-and-forget as a tracker could be.

85
SleepfoundationJan 2026

The Oura Ring 4 is a genuinely impressive device in terms of sleep and activity tracking, offering comprehensive biometric monitoring in a comfortable, lightweight design.

85
Wareable SubstackDec 2024

After three months of testing, and purely for those with a deeper knowledge and vested interest in the wearables space, here’s why it’s one of the best wearables on the market.

85
RunnersworldDec 2025

The Oura Ring 4 is a slick, smart and incredibly useful tool for helping to track a range of key lifestyle metrics including stress and sleep, enabling you to make better choices that will have a posi...

82
Wsj

The Oura Ring 4 is a comfortable, unobtrusive health tracker that collects impressive data but requires a subscription and may not justify its premium price for everyone.

82
TheguardianOct 2024

The Oura Ring 4 is a significant improvement in fit and comfort over predecessors, and doesn't remotely look like a piece of technology on your finger.

82
NewsJan 2026

The Oura Ring 4 is a state-of-the-art piece of wearable tech which is excellent at recovery and long-term pattern recognition.

82
MotherandbabyDec 2025

For a mum of a toddler who's trying to reconnect with herself, the Oura Ring 4 feels like a thoughtful investment in wellbeing.