Average score
Product 1: Withings ScanWatch Nova
3.7
Product 2: Google Pixel Watch 4
4.2
activity auto-detection
Product 1: Withings ScanWatch Nova
4.2

Automatic activity detection is often helpful and sometimes very reliable, though one reviewer noted that it can take a little while to recognize an activity.

Product 2: Google Pixel Watch 4
3.8

Reviewers described passive or retroactive auto-tracking as useful for walks and missed workouts, but support is limited and one review said the feature missed a walk.

app ecosystem
Product 1: Withings ScanWatch Nova
4.5

The broader Withings ecosystem is a recurring strength, especially for users pairing the watch with scales, thermometers, or other Withings health devices.

Product 2: Google Pixel Watch 4
4.5

Reviewers consistently praised Play Store breadth and said the watch has the main apps most Android users are likely to want.

band quality
Product 1: Withings ScanWatch Nova
4.0

The included bands are generally liked, especially the silicone and sport options, though the metal band can be trickier to fine-tune.

Product 2: Google Pixel Watch 4
2.7

The included band drew the most criticism in this set, with reviewers calling it dull or overly fiddly rather than premium.

battery life
Product 1: Withings ScanWatch Nova
4.4

Battery life is a major strength, with most reviewers seeing multi-week endurance, though heavier workout or connected-GPS use can shorten it.

Product 2: Google Pixel Watch 4
4.2

Battery life is usually around 1.5 to 2+ days, with several 45mm reviews beating Google’s estimate, while the 41mm model remains shorter-lived.

blood oxygen tracking
Product 1: Withings ScanWatch Nova
3.9

SpO2 tracking is broadly seen as useful and easy to access, though one reviewer needed a few tries before the reading worked properly.

Product 2: Google Pixel Watch 4
4.0

SpO2 tracking is part of the standard Fitbit health suite, but reviewers focused more on its inclusion than on deep performance testing.

Bluetooth connectivity
Product 1: Withings ScanWatch Nova
3.0

Bluetooth-linked features work, but connectivity is not flawless. One review mentioned the app losing connection during workouts.

Product 2: Google Pixel Watch 4
No score yet
brightness
Product 1: Withings ScanWatch Nova
4.0

Automatic brightness adjustment is appreciated, but the small display still is not ideal in every lighting situation.

Product 2: Google Pixel Watch 4
4.8

The 3,000-nit screen was repeatedly described as much brighter and easier to use outdoors.

build quality
Product 1: Withings ScanWatch Nova
4.5

Build quality is consistently framed as premium and appropriate for the price, with reviewers highlighting the overall construction.

Product 2: Google Pixel Watch 4
4.4

Reviewers liked the aluminum construction and generally said the watch feels polished and premium.

button controls
Product 1: Withings ScanWatch Nova
3.0

Physical controls get the job done, but reviewers also mentioned awkward crown placement or bezel resistance.

Product 2: Google Pixel Watch 4
4.0

The crown and side button are functional and tactile, though one review noted the thinner side button feels less substantial.

call handling
Product 1: Withings ScanWatch Nova
2.0

Call handling is minimal. Reviewers mention call alerts or caller info, but calls still route through the phone and full phone-call support is missing.

Product 2: Google Pixel Watch 4
3.4

Calls are possible and sometimes clear enough, but speaker output is still a weak point for noisy environments.

calorie tracking usefulness
Product 1: Withings ScanWatch Nova
4.5

One reviewer specifically found estimated calories burned far more accurate than on Fitbit, suggesting the calorie data can be useful for day-to-day activity review.

Product 2: Google Pixel Watch 4
2.8

Calorie data is present, but confidence was mixed because one reviewer found burn estimates too high and another found calorie tracking redundant.

charging convenience
Product 1: Withings ScanWatch Nova
2.8

The charger works, but reviewers repeatedly criticize its cheap feel, awkward design, or lack of wireless convenience.

Product 2: Google Pixel Watch 4
4.4

The new side dock is widely seen as easier and more reliable than older Pixel Watch chargers, though a few reviewers still wanted a sturdier stand.

charging speed
Product 1: Withings ScanWatch Nova
3.4

Charging is usually described as taking about two hours, though at least one review reported a notably faster full recharge.

Product 2: Google Pixel Watch 4
4.8

Fast charging is one of the clearest upgrades, with multiple reviews confirming roughly 50% in about 15 minutes.

coaching features
Product 1: Withings ScanWatch Nova
3.8

Coaching features exist mainly through Withings+, including goals, workouts, meal plans, and guided programs, so the coaching layer depends on the subscription.

Product 2: Google Pixel Watch 4
3.3

AI coaching sounds promising, but reviews often treated it as early, region-limited, or still rolling out, with Premium gating as a caveat.

comfort
Product 1: Withings ScanWatch Nova
4.3

Comfort is generally very good, especially with lighter or sport bands, though one review had real issues with the metal band pinching or fitting poorly.

Product 2: Google Pixel Watch 4
4.4

Despite the thicker domed design, reviewers generally found the watch comfortable for long daily wear and even sleep.

companion app quality
Product 1: Withings ScanWatch Nova
4.4

The companion app is consistently praised for presenting data clearly, neatly, and in a way that is easy to understand.

Product 2: Google Pixel Watch 4
4.1

Fitbit app feedback was mostly positive for clarity and ease of use, but the split between apps and Premium gates still bothered some reviewers.

contactless payments
Product 1: Withings ScanWatch Nova
1.0

Review coverage explicitly notes that digital payment support is not included, so contactless payments are a known weakness.

Product 2: Google Pixel Watch 4
4.7

Google Wallet was described as reliable and straightforward to use from the watch.

cross-platform compatibility
Product 1: Withings ScanWatch Nova
5.0

Cross-platform support is strong, with explicit Android and iOS compatibility in the reviews.

Product 2: Google Pixel Watch 4
3.4

Compatibility is good across Android phones, but iPhone support is absent and flexibility outside Android remains limited.

customization options
Product 1: Withings ScanWatch Nova
4.2

Reviews note useful customization for screen order, workout order, and display functions, even if the overall smartwatch feature set stays simple.

Product 2: Google Pixel Watch 4
4.2

There is good tile, settings, and watch-face customization, though not every reviewer loved the defaults.

display quality
Product 1: Withings ScanWatch Nova
4.2

The small grayscale OLED is generally sharp and legible, though its size naturally limits how much information it can show.

Product 2: Google Pixel Watch 4
4.7

The domed Actua 360 display is the standout feature, repeatedly described as striking, immersive, and among the best on a smartwatch.

durability
Product 1: Withings ScanWatch Nova
4.5

Early durability impressions are strong, including one reviewer whose watch still looked pristine after rough travel and family handling.

Product 2: Google Pixel Watch 4
4.2

Early durability impressions are encouraging, with several reviewers reporting minimal wear, though some still expect the exposed glass to pick up scratches over time.

ECG functionality
Product 1: Withings ScanWatch Nova
4.3

ECG is one of the watch’s standout features, with multiple reviewers calling it easy to use and one noting that it agreed with a medical examination.

Product 2: Google Pixel Watch 4
4.0

ECG support is available and clearly surfaced in reviews, but it was not deeply validated against medical references here.

fit
Product 1: Withings ScanWatch Nova
3.5

Fit can be excellent once adjusted, but metal-band sizing is not foolproof and may take some patience.

Product 2: Google Pixel Watch 4
4.1

Both sizes appear wearable, with reviewers saying the case sits well on the wrist, though size preference still matters.

fitness tracking accuracy
Product 1: Withings ScanWatch Nova
4.0

Fitness tracking is generally credible for everyday use, but reviewers frame the Nova as stronger for broad health tracking than for detailed sport analysis.

Product 2: Google Pixel Watch 4
4.7

Across mainstream workouts, reviewers generally found exercise tracking accurate, responsive, and detailed.

GPS accuracy
Product 1: Withings ScanWatch Nova
3.3

Connected GPS can track workouts accurately when paired with a phone, but one review also reported gaps after the app lost connection to the watch.

Product 2: Google Pixel Watch 4
4.5

GPS performance is mostly strong with dual-band support, but a few reviews still noted isolated edge-case issues.

health tracking accuracy
Product 1: Withings ScanWatch Nova
4.5

Reviews repeatedly describe the recorded health data as accurate or comparable to other smartwatches and even medical devices, though some sleep and workout details can still be imperfect.

Product 2: Google Pixel Watch 4
4.5

Reviewers who cross-checked against Oura or other wearables generally found the broader health data aligned well.

heart rate accuracy
Product 1: Withings ScanWatch Nova
4.5

Heart-rate tracking is a clear strength, with one reviewer saying average heart rate deviated by only one point and another calling the heart-rate results accurate against other smartwatches.

Product 2: Google Pixel Watch 4
4.6

Heart-rate tracking ranged from good to excellent overall, though one run-focused review found it more ballpark than pinpoint.

LTE connectivity
Product 1: Withings ScanWatch Nova
No score yet
Product 2: Google Pixel Watch 4
4.3

LTE models enabled phone-free use, and at least one reviewer reported no connection drops during testing.

materials quality
Product 1: Withings ScanWatch Nova
4.5

Stainless steel, sapphire, and other premium materials are repeated selling points across reviews.

Product 2: Google Pixel Watch 4
4.4

Aluminum and Gorilla Glass materials feel solid, though they are not positioned as the most rugged option in the class.

menu navigation
Product 1: Withings ScanWatch Nova
4.5

Crown-based menu navigation is widely praised as easy and intuitive, especially for a watch without touchscreen input.

Product 2: Google Pixel Watch 4
4.5

Navigation is easy, with smooth menu scrolling, clear tiles, and large touch targets.

music controls
Product 1: Withings ScanWatch Nova
1.0

Music controls are explicitly described as absent in review coverage.

Product 2: Google Pixel Watch 4
No score yet
operating system experience
Product 1: Withings ScanWatch Nova
No score yet
Product 2: Google Pixel Watch 4
4.7

Wear OS 6 and Google’s Pixel-specific presentation were widely praised for polish and cohesion.

outdoor visibility
Product 1: Withings ScanWatch Nova
3.2

Outdoor visibility is mixed. Some reviewers found the display readable in sunlight, while others wanted better direct-sun performance or less reflection.

Product 2: Google Pixel Watch 4
4.6

Outdoor legibility is a real strength thanks to the brighter screen.

pairing reliability
Product 1: Withings ScanWatch Nova
4.8

Pairing and syncing are generally smooth, with reviewers describing setup as simple and app sync as seamless.

Product 2: Google Pixel Watch 4
No score yet
recovery insights
Product 1: Withings ScanWatch Nova
No score yet
Product 2: Google Pixel Watch 4
4.2

Readiness and related recovery signals were useful reminders for pacing effort, even if they were not always perfect.

reliability
Product 1: Withings ScanWatch Nova
No score yet
Product 2: Google Pixel Watch 4
4.2

Day-to-day stability looks good overall, with reviewers reporting few crashes and solid long-term behavior.

safety features
Product 1: Withings ScanWatch Nova
4.3

Safety-oriented health features are strong, with reviews calling out ECG, AFib-related detection, and illness-warning style monitoring as meaningful positives.

Product 2: Google Pixel Watch 4
4.1

Satellite SOS, fall/crash features, and other safety tools add meaningful coverage, though fall detection did not trigger in every anecdotal case.

size options
Product 1: Withings ScanWatch Nova
2.0

Size flexibility is limited on the main Nova, with one review specifically pointing out that it comes in only one 42mm size.

Product 2: Google Pixel Watch 4
4.2

The 41mm and 45mm options give buyers a real choice between size and battery life instead of a single compromise fit.

sleep tracking accuracy
Product 1: Withings ScanWatch Nova
3.5

Sleep tracking is useful but inconsistent. Some reviewers found it accurate, while others saw missed sleep periods or questioned the precision of the sleep readings.

Product 2: Google Pixel Watch 4
4.1

Sleep tracking was usually described as accurate or close to competing wearables, though a few reviewers noted occasional quirks.

smartphone notifications
Product 1: Withings ScanWatch Nova
3.4

Notifications work best as simple alerts. Some reviewers were satisfied with them, but others found the scrolling text too limited or too fast to be truly useful.

Product 2: Google Pixel Watch 4
3.6

Notifications are rich and often easy to act on, but haptics, missing previews, and uneven smart replies kept them from feeling flawless.

smartwatch features
Product 1: Withings ScanWatch Nova
3.0

Smartwatch features are intentionally basic, covering essentials like alerts, timers, alarms, and stopwatches rather than a full smartwatch experience.

Product 2: Google Pixel Watch 4
4.5

Core smartwatch features are broad and competitive, covering tasks like messaging, maps, payments, and voice assistance well.

software smoothness
Product 1: Withings ScanWatch Nova
No score yet
Product 2: Google Pixel Watch 4
4.6

Day-to-day performance is consistently smooth and snappy, with only minor slowdowns or early glitches mentioned.

step counting accuracy
Product 1: Withings ScanWatch Nova
4.3

Step counting is generally praised as accurate, and reviewers liked the clear progress feedback built into the watch experience.

Product 2: Google Pixel Watch 4
4.1

Step tracking looks strong in normal use, with one manual count test landing very close, though edge cases can still affect results.

stress tracking
Product 1: Withings ScanWatch Nova
No score yet
Product 2: Google Pixel Watch 4
3.0

Stress and body-response features remain one of the weaker areas because reviewers found the output hard to interpret or not very actionable.

style and design
Product 1: Withings ScanWatch Nova
4.9

Style is one of the Nova’s biggest strengths. Reviews repeatedly describe it as elegant, premium, and convincingly watch-like rather than gadget-like.

Product 2: Google Pixel Watch 4
4.6

The rounded pebble-like design remains one of the watch’s most distinctive strengths.

third-party app support
Product 1: Withings ScanWatch Nova
1.5

Third-party app support is a clear weak point, with reviewers explicitly saying to look elsewhere if that matters to you.

Product 2: Google Pixel Watch 4
4.5

Third-party app coverage is strong, with reviewers repeatedly highlighting the main Android and fitness apps.

touchscreen responsiveness
Product 1: Withings ScanWatch Nova
1.0

There is no touchscreen, so all interaction depends on the crown and physical controls.

Product 2: Google Pixel Watch 4
4.0

Touch response is quick in normal use, but water can still interfere with touch input.

user interface
Product 1: Withings ScanWatch Nova
4.3

The stripped-back interface is easy to learn and use, especially for buyers who prefer simplicity over app-heavy smartwatch layouts.

Product 2: Google Pixel Watch 4
4.6

The Material 3 Expressive interface is colorful, cohesive, and especially well matched to the round screen.

value for money
Product 1: Withings ScanWatch Nova
3.1

Value is mixed. Reviewers praise the finish, battery life, and health tools, but many also flag the high price and stronger feature-per-dollar alternatives.

Product 2: Google Pixel Watch 4
4.0

Same pricing as last generation helps value, though Fitbit Premium still adds some friction.

voice assistant quality
Product 1: Withings ScanWatch Nova
No score yet
Product 2: Google Pixel Watch 4
4.3

Gemini is one of the better watch assistants right now, especially with raise-to-talk, but false activations and occasional misses remain.

watch face quality
Product 1: Withings ScanWatch Nova
4.3

The analog face and lume are well liked, and reviewers describe the watch face itself as premium.

Product 2: Google Pixel Watch 4
4.1

Watch-face selection is decent and improved, though some reviewers wanted more faces that truly exploit the curved display.

water resistance
Product 1: Withings ScanWatch Nova
4.5

Water resistance is a strong point, with repeated 10ATM mentions and support for swimming and similar water use.

Product 2: Google Pixel Watch 4
4.0

Water resistance and water lock coverage are solid on paper and in light real-world use, though open-water sport depth is limited.

wellness insights
Product 1: Withings ScanWatch Nova
4.1

Wellness insights are a real strength, with reviewers calling out health scores, actionable guidance, and broader wellness tools instead of just raw metrics.

Product 2: Google Pixel Watch 4
4.3

Fitbit’s contextual presentation of readiness, trends, and daily guidance was often seen as useful and easy to understand.

workout tracking variety
Product 1: Withings ScanWatch Nova
3.0

Workout coverage is mixed: one review cites more than 40 sport modes, but others describe exercise tracking as limited or less comprehensive than dedicated fitness watches.

Product 2: Google Pixel Watch 4
4.0

The watch covers a broad range of sports and workout types, even if some niche or gym-specific gaps remain.