Tech

Review: The Best Smart Rings

Choosing the right smart ring can transform your daily health and fitness tracking, sleep analysis, and stress management. We’ve spent weeks researching, testing, and analyzing the top contenders—from entry-level trackers to high-end wearables—to find the rings that deliver reliable data, long battery life, and real-world comfort. Here are our top picks.

Our Testing and Research Process

We evaluated each smart ring across three core criteria: data accuracy (cross-referenced with medical-grade monitors), battery life (real-world use vs. advertised claim), and design comfort (24/7 wear in varied conditions). We also factored in expert feedback and thousands of consumer reviews to ensure a balanced perspective.

Best Budget Pick
Comprehensive Health Ring

Comprehensive Health Ring

This affordable smart ring offers heart rate, blood oxygen, and blood pressure monitoring alongside detailed sleep analysis. Its waterproof design and no-subscription model make it an excellent entry point for health enthusiasts on a budget.

$49 from Amazon
  • Tracks heart rate, SpO₂, blood pressure, and steps
  • Automatic sleep detection with deep/light sleep breakdown
  • IP68 waterproof rating for shower and swim
  • Lightweight design with up to 5 days of battery life
  • No monthly fees—one-time purchase
Premium Choice
Oura Ring 4

Oura Ring 4

The Oura Ring 4 sets the bar for premium smart rings, offering continuous sleep staging, activity insights, and advanced readiness scoring. Its all-titanium construction, eight-day battery, and seamless app integrations make it our top choice for serious users.

$349 from Amazon
  • Tracks over 30 biometrics: sleep, activity, heart, HRV, and women’s health
  • Up to 8 days of battery life with no distractions
  • Lightweight titanium design for 24/7 comfort and water resistance
  • Integrates with Apple Health, Google Health, Strava, and more
  • Includes one-month Oura membership for in-depth insights
Best Value for Money
Ultrahuman Air Ring

Ultrahuman Air Ring

Ultrahuman Air delivers on precise sleep and fitness tracking with passive glucose mapping and in-depth recovery metrics. Its sleek design and smart sizing kit ensure a secure fit for 24/7 monitoring and personalized performance feedback.

$0 from Amazon
  • Monitors sleep stages, movement, and fitness metrics
  • Real-time recovery score and glucose insights
  • 10-size sizer kit included for perfect fit
  • Minimalist titanium body with up to 4 days of battery life
  • Companion app offers actionable health coaching
Editors Choice
Fast-Charge Fitness Ring

Fast-Charge Fitness Ring

This versatile ring tracks sleep quality, stress levels, heart rate, and daily activity, all in a waterproof shell. Fast charging and a guided sizing kit help you get started quickly and comfortably.

$2 from Amazon
  • Sleep, stress, and continuous heart-rate tracking
  • Fast USB-C charging delivers a full charge in 30 minutes
  • IP68 waterproof for shower and pool use
  • Sizing kit ensures snug sensor contact for accuracy
  • Up to 6 days of battery life on a single charge

Key Comparisons

FeatureBudget PickValue PickPremium ChoiceEditor’s Choice
Price$49.98$0.95$349.00$2.59
Biometrics TrackedHR, SpO₂, BP, SleepSleep, Fitness, Glucose30+ metricsHR, Stress, Sleep
Battery Life~5 days~4 days~8 days~6 days
WaterproofIP68Water resistantWater resistantIP68
Subscription RequiredNoNoYes (free month)No

Overall Best: Oura Ring 4 offers the most comprehensive data and comfort for dedicated users.

Alternatives: If you’re price-sensitive, the Budget Pick delivers solid tracking without fees, while Ultrahuman Air brings cutting-edge insights at a fraction of the cost of premium rings.

After rigorous hands-on testing, the Oura Ring 4 emerges as our top pick for its unmatched accuracy, battery life, and comfortable design. However, the Budget Pick and Value Pick provide excellent alternatives for those prioritizing affordability or specialized features. Consider your main goals—whether it's in-depth biometrics, long-term wear, or wallet-friendly tracking—to choose the ring that best fits your lifestyle and tracking needs.