Compare Oura Ring 4 vs Oura Ring 5

Activity and wind-down reminders were appreciated for being helpful without feeling as intrusive as smartwatch nudges.

Reviewers found general activity tracking useful but inconsistent: some saw improvements, while others said the feature still is not good enough for dependable activity data.

Activity tracking was praised by some hands-on reviewers as more accurate and smarter than before, but others still found activity accuracy uneven versus other wearables.

The lack of a vibrating alarm or stronger smart alert function was a clear complaint in multiple reviews.

App alerts were praised as polite and easy to ignore rather than intrusive.

App alerts were supported by Health Radar-style alerts that provide next-step guidance when health signals change.

Apple Health compatibility was praised directly by a reviewer who loved that Oura synced with Apple Health.

Automatic workout detection earned broad praise for walking, running, and some activities, but reviewers still reported misses and misclassifications.

Automatic workout detection was one of the clearer improvements, with multiple reviewers praising better low-motion recognition and correct activity suggestions.

Battery life was widely praised as better than smartwatches and improved from Gen 3, though real-world results often fell short of the eight-day claim.

Battery life was generally strong, with several reviewers seeing or expecting about a week, though long-term degradation and modest gains remained concerns.

Bluetooth reliability was mostly good but not flawless, with one reviewer reporting occasional disconnects.

Breathing and mindfulness content was received positively, with reviewers comparing it to established services and finding it calming.

Build quality was supported by one reviewer who described the titanium ring as feeling tough.

Build quality was mostly praised, with reviewers pointing to improved hardware, a smoother interior, better construction and early scratch-free wear.

Cadence tracking was criticized as missing from the runner-focused metrics one reviewer wanted.

Cadence tracking was a weakness because advanced running metrics such as cadence were not available.

Calorie tracking drew criticism in workout comparisons, with one reviewer saying Oura substantially undercounted calories versus Apple Watch.

Calorie tracking was considered useful as part of weekly movement planning rather than as a standalone precision metric.

Charging convenience was mixed: some found it easy and stress-free, while others wanted a portable charging case or disliked the dock tradeoff.

Charging convenience was mixed: reviewers liked the travel case, but disliked its extra cost, size-specific design and lack of bundling.

Charging speed was consistently praised, with reviewers describing quick top-ups and full charges in short windows.

Charging speed was positively reviewed, including around 80 minutes for a full charge and a stated 20-to-80-minute charging window.

Comfort was one of the strongest consensus points, with many reviewers saying the flatter sensors made it easy to wear day and night.

Comfort was the strongest consensus point, with reviewers repeatedly saying the slimmer ring was easier to wear, forget, sleep in and use during workouts.

The companion app was one of Oura's biggest strengths, repeatedly praised for clarity, polish, and making health data usable.

The companion app was described as polished and premium across iOS and Android.

Connected GPS reliability was limited by phone location and Bluetooth requirements, which one reviewer found restrictive.

Connected GPS was useful when available, but reviewers emphasized dependence on phone GPS and found that this may not suit all runners or hikers.

Customization options were positively mentioned in the app, where users can customize metric layout for easier access.

Data privacy surfaced as a concern for one reviewer who wanted clarity on wearable health-data handling.

Data privacy was mixed: reviewers liked more control and deletion options, but warned that deeper medical data makes privacy stakes higher.

Data syncing was strongly praised where mentioned, with reviewers noting reliable syncing and little need to think about it.

Design and appearance were broadly praised as stylish and jewelry-like, though one reviewer disliked the look and finish.

Design and appearance drew strong praise, with reviewers saying the Ring 5 looks more like jewelry and less like obvious wearable tech.

Distance tracking was framed as useful for casual run tracking when paired with phone-based GPS and live workout tools.

Durability was mixed: titanium felt tough, but scratches, wear, non-repairability, and battery replacement concerns were repeated drawbacks.

Durability feedback was cautiously positive on scratch resistance, but reviewers also warned that long-term wear and past Oura scratching remain concerns.

Fit depended heavily on sizing and finger changes: some found the fit excellent, while others had looseness or comfort issues.

Fit improved thanks to the slimmer body, but reviewers stressed sizing-kit use because the Ring 5 can fit differently from earlier models.

Fitness coaching was valued more as recovery or wellness guidance than as advanced athletic coaching.

Fitness coaching was mixed: Advisor felt underdeveloped to one reviewer, while another noticed quicker and more accurate answers than before.

Goal tracking had a strong behavioral effect for one reviewer, who reported a major increase in daily step output.

GPS accuracy was supported by a reviewer who found Oura's automatic route maps accurate.

GPS accuracy was limited by the absence of built-in GPS, forcing users to rely on a phone for the most accurate outdoor exercise data.

Habit tracking and tags were praised for making behavior patterns easier to record and interpret.

Health trend insights were a major strength, helping reviewers interpret long-term patterns rather than just view raw data.

Health trend insights were a major strength, with reviewers praising actionable long-term health views, health alerts and broader wellness context.

Heart-rate accuracy was strongest for rest and general use, but reviewers saw mixed workout results and limited improvement in some tests.

Heart rate accuracy was mixed: one workout test matched an Apple Watch, while another reviewer warned finger-based optical tracking can struggle during exercise.

Cycle tracking drew strong praise overall, especially for period prediction and body-awareness, though one reviewer found in-app predictions less accurate than Natural Cycles.

Women’s health and cycle tracking were praised, especially Oura’s cycle focus, hormonal birth control support and suitability for women.

Pace tracking was more capable through live activity tools, though reviewers framed it as good for casual runs rather than serious training.

Pairing reliability was excellent in the supporting review, where setup and pairing had no hiccups.

Pairing and setup were praised as easy, with reviewers reporting immediate detection and a simple new-user process.

Readiness scoring was generally useful for daily decisions, though at least one reviewer noted they did not always agree with it.

Readiness recommendations were considered consistent in side-by-side use, closely matching another Oura ring's guidance.

Recovery insights were repeatedly praised for helping reviewers rest, adjust training, and respond to illness or low-readiness days.

Recovery insights were useful in context, helping one reviewer decide when to emphasize sleep and recovery rather than exercise.

Reliability was mixed, with praise for customer service and warnings about losing the ring or a battery malfunction.

Reliability concerns focused on long-term ring and battery longevity, with reviewers warning that Oura rings may not last forever.

Resting heart rate tracking lined up closely in side-by-side testing, with one reviewer finding the Ring 5 within one beat of the Ring 4.

Reviewers who mentioned Locate saw nearby ring tracking as useful, but one hands-on test said it was not precise enough to feel like a true directional finder.

Route tracking was helpful when it worked, with accurate maps in one review, but another reviewer missed runner-focused GPS routing.

Route tracking was appreciated when the phone was nearby, especially for adding a GPS map overlay after detected outdoor exercise.

The expanded size range was praised for fitting more fingers and being more inclusive.

Size options were a drawback because the Ring 5 removed some small and large sizes, even though some reviewers questioned whether further shrinkage mattered.

Sleep apnea and nighttime breathing features were viewed as potentially useful wellness signals, not diagnostic tools, with reviewers seeing value in long-term breathing trends.

Sleep-stage tracking was viewed as useful but not definitive, with one reviewer seeing variation across devices and another calling it solid.

Sleep stage tracking was viewed as good but imperfect, with reviewers noting both strong algorithm performance and normal disagreement between rings.

Sleep tracking was the most consistently praised attribute, with reviewers calling it accurate, insightful, and a core reason to buy the ring.

Sleep tracking was one of the strongest areas, with reviewers repeatedly saying the Ring 5 reflected sleep well or stayed close to prior Oura results.

Smartphone notifications were framed as a positive restraint: reviewers liked that Oura avoided constant buzzing while still allowing useful alerts.

Step counts were described as usable but imperfect, ranging from very accurate in one test to inflated or slightly off in others.

Step counting received mixed but usable feedback: one reviewer said steps could be overstated, while another found side-by-side counts close enough.

Strava compatibility was helpful because imported workout data improved the usefulness of readiness metrics.

Stress tracking helped several reviewers identify patterns and recover better, but others found the stress score confusing or not always accurate.

Stress tracking was considered useful for recognizing when to prioritize sleep and recovery over harder activity.

Subscription value was the most repeated concern: some accepted it as worthwhile, but many disliked paying after buying an expensive ring.

Subscription value split reviewers, with one defending the monthly fee but many calling the ongoing cost a major drawback versus subscription-free rivals.

Swimming tracking was praised by a reviewer whose swims were logged reliably.

Third-party compatibility was a strength, especially with Apple Watch, Natural Cycles, Strava, and other health platforms.

Third-party compatibility centered on external heart rate monitors and supported Bluetooth devices, giving the ring better workout data options but sometimes requiring extra hardware.

The user interface was mostly praised as intuitive, cleaner, and proactive, though one reviewer found some navigation nuances annoying.

The user interface was generally praised for manageable data presentation and intuitive app use, with some workout controls still less convenient than a watch.

Value for money was context-dependent: reviewers saw strong value for sleep and recovery, but weaker value for upgrades or fitness-first users.

Value for money was mixed: reviewers liked the new buyer proposition but often found upgrades harder to justify, especially with the subscription and Ring 4 software support.

Water resistance was treated as a strength, with reviewers noting 100-meter resistance and no need to remove it for water exposure.

Weight was consistently praised, with reviewers often saying the ring felt light, subtle, or easy to forget.

Weight was praised across reviews, with the Ring 5 repeatedly described as noticeably lighter or shockingly light.

Workout mode variety was appreciated where the reviewer noted Oura could identify many workout profiles beyond basic walking and running.

Workout mode variety improved with more suggested activities and live sources, but reviewers still found parts of exercise support limited to outdoor workouts.

Workout tracking remained the biggest weak area: acceptable for light wellness tracking, but limited or inaccurate for serious training.

Workout tracking improved in comfort and detection for several reviewers, but serious training, intervals and smartwatch-style metrics remained common weaknesses.