Average score
Product 1: Withings ScanWatch Nova
3.7
Product 2: Garmin Venu 4
4.1
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: Garmin Venu 4
4.6

Auto track detection is a real upgrade, with reviewers calling it out as a useful addition for track sessions.

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: Garmin Venu 4
2.7

Garmin's app ecosystem remains limited, and extra apps still feel less polished than Apple or Google options.

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: Garmin Venu 4
4.7

The included silicone band is soft, stretchy, and comfortable enough for long wear.

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: Garmin Venu 4
4.3

Battery life is consistently a strength, with most reviewers getting roughly five to ten days depending on display mode and GPS use.

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: Garmin Venu 4
4.3

Pulse Ox/SpO₂ is part of the broader health package and is surfaced alongside sleep and health status metrics.

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: Garmin Venu 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: Garmin Venu 4
4.8

The AMOLED panel is repeatedly described as much brighter than before and easy to read in bright conditions.

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: Garmin Venu 4
4.6

The fuller metal construction makes the watch feel sturdier, more premium, and better finished than the Venu 3.

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: Garmin Venu 4
3.4

The two-button layout works, but several reviewers miss the extra button and find it less ideal during workouts.

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: Garmin Venu 4
3.9

On-wrist calling works and is handy in a pinch, though speaker performance is only adequate.

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: Garmin Venu 4
No score yet
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: Garmin Venu 4
2.6

Garmin's proprietary charger remains a notable annoyance for convenience.

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: Garmin Venu 4
3.9

Charging speed is acceptable rather than class-leading, with useful top-ups in short sessions but slower full charges.

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: Garmin Venu 4
4.6

Garmin Coach, training plans, and race-readiness tools are widely praised and feel more advanced than past Venu generations.

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: Garmin Venu 4
4.1

Comfort is generally good for all-day wear, but the heavier metal build bothers some users during sleep or extended wear.

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: Garmin Venu 4
3.2

Garmin Connect is useful and feature-rich, but some reviewers find newer features tucked away in too many menus.

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: Garmin Venu 4
3.9

Garmin Pay is convenient when supported, but bank compatibility and extra password friction limit the experience.

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: Garmin Venu 4
4.1

The watch works across iPhone and Android, though Android users get more messaging and smart features.

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: Garmin Venu 4
4.3

Customizable reports, focus modes, and shortcut settings give the watch a solid level of day-to-day personalization.

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: Garmin Venu 4
4.6

The AMOLED display is sharp, colorful, and premium-looking.

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: Garmin Venu 4
4.7

The upgraded metal build held up well in regular workouts and swimming with no obvious scratches during testing.

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: Garmin Venu 4
4.4

ECG support is a meaningful differentiator, with reviewers highlighting it as a welcome feature absent from some Garmin siblings.

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: Garmin Venu 4
4.4

The two-case approach helps most users find a comfortable size and fit.

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: Garmin Venu 4
4.3

Workout tracking is broadly accurate, with especially positive comments around strength logging and general training data.

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: Garmin Venu 4
4.6

GPS is one of the Venu 4's strongest areas, with repeated praise for tight tracks, fast lock, and stable route logging.

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: Garmin Venu 4
4.4

Reviewers generally trust the health metrics, especially once the watch has enough baseline data to interpret trends.

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: Garmin Venu 4
4.4

Heart-rate accuracy is strong overall and often close to chest straps, though a few reviewers saw brief dips or lag.

LTE connectivity
Product 1: Withings ScanWatch Nova
No score yet
Product 2: Garmin Venu 4
1.4

There is no LTE option, which limits standalone use away from the phone.

materials quality
Product 1: Withings ScanWatch Nova
4.5

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

Product 2: Garmin Venu 4
4.7

Steel cases and bezels add a noticeably more premium material feel than the prior generation.

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: Garmin Venu 4
3.3

Navigation is understandable, but the touch-heavy flow can feel cumbersome during wet or sweaty workouts.

music controls
Product 1: Withings ScanWatch Nova
1.0

Music controls are explicitly described as absent in review coverage.

Product 2: Garmin Venu 4
3.8

Basic music controls are present, including voice-command shortcuts like skipping songs.

onboard music storage
Product 1: Withings ScanWatch Nova
No score yet
Product 2: Garmin Venu 4
4.2

Offline music storage is useful and well supported, though it costs battery life.

operating system experience
Product 1: Withings ScanWatch Nova
No score yet
Product 2: Garmin Venu 4
4.4

The new shared Garmin OS feels more modern and should improve feature parity and long-term support.

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: Garmin Venu 4
4.9

Outdoor readability is excellent, with reviewers saying the display stays legible even in direct sun.

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: Garmin Venu 4
No score yet
recovery insights
Product 1: Withings ScanWatch Nova
No score yet
Product 2: Garmin Venu 4
4.6

Recovery guidance is a standout, with Training Readiness, Body Battery, and related metrics frequently called genuinely useful.

reliability
Product 1: Withings ScanWatch Nova
No score yet
Product 2: Garmin Venu 4
3.4

Day-to-day reliability is mixed: some testers saw freezes or odd distance glitches, while others expect the unified platform to improve stability.

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: Garmin Venu 4
4.7

The built-in flashlight and visibility options are consistently praised as genuinely useful safety and convenience additions.

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: Garmin Venu 4
4.4

Both 41mm and 45mm sizes are available, giving shoppers a real choice between smaller and larger wearables.

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: Garmin Venu 4
4.2

Sleep tracking is generally good and often lines up with other wearables, but it can overcount time spent resting awake.

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: Garmin Venu 4
4.3

Notifications are effective and more flexible on Android than on iPhone.

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: Garmin Venu 4
3.9

Smartwatch features cover the essentials, but they still trail Apple and Google on depth and seamlessness.

software smoothness
Product 1: Withings ScanWatch Nova
No score yet
Product 2: Garmin Venu 4
4.7

The refreshed software is notably snappier and more responsive than older Garmin implementations.

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: Garmin Venu 4
4.6

Step counting looks dependable, with one controlled test hitting exactly 2,000 steps.

stress tracking
Product 1: Withings ScanWatch Nova
No score yet
Product 2: Garmin Venu 4
4.3

Stress data is part of the broader wellness picture and is useful when paired with sleep, HRV, and lifestyle logging.

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: Garmin Venu 4
4.8

Style is a major selling point, with reviewers repeatedly calling the Venu 4 one of Garmin's best-looking watches.

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: Garmin Venu 4
3.5

Third-party support exists, but the selection and polish remain modest by mainstream smartwatch standards.

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: Garmin Venu 4
4.7

The touchscreen is quick and responsive in normal use.

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: Garmin Venu 4
4.5

The updated interface is more polished, easier to navigate, and faster than older Garmin UIs.

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: Garmin Venu 4
3.4

The feature set is strong, but the $100 price jump makes value a tougher sell unless you specifically want Garmin's training depth.

voice assistant quality
Product 1: Withings ScanWatch Nova
No score yet
Product 2: Garmin Venu 4
2.9

Voice features are available and sometimes responsive, but reviewers frequently call them clunky, buggy, or basic.

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: Garmin Venu 4
No score yet
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: Garmin Venu 4
4.6

Water resistance is solid for pool use and showers, with reviewers citing the 5 ATM rating positively.

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: Garmin Venu 4
4.5

Wellness insights are a key selling point, especially through Health Status, Lifestyle Logging, and daily readiness-style feedback.

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: Garmin Venu 4
4.8

Workout variety is a major strength, with repeated praise for the very broad sport profile list.