Average score
Product 1: Withings ScanWatch 2
3.4
Product 2: Garmin Venu 4
4.1
activity auto-detection
Product 1: Withings ScanWatch 2
3.0

Auto-detection works for common activities, but reliability varies widely; some reviews found it useful, while others called it flaky, overly limited, or prone to false detections.

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 2
4.3

The broader app ecosystem is strong thanks to links with Apple Health, Google services, Strava, MyFitnessPal, and other connected platforms.

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 2
2.9

Band quality is inconsistent: one review likes the stock strap, but others found it itchy, slippery, or awkward to size.

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 2
4.5

Battery life is a major selling point. Real-world reports range from roughly two to three weeks up to about a month or more, depending on settings and usage.

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 2
3.9

Blood-oxygen support is valuable but not flawless; reviewers describe useful SpO2 coverage and generally in-line readings, though wrist placement and motion can still cause inconclusive results.

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 2
3.8

Bluetooth connection quality is acceptable but not perfect: pairing can feel fast, yet some review evidence points to phone dependence and sync-related friction.

Product 2: Garmin Venu 4
No score yet
brightness
Product 1: Withings ScanWatch 2
4.2

Brightness gets only limited direct coverage, but one review says the newer display seems brighter than before.

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 2
4.7

Build quality is a strong point, with repeated praise for the premium feel, solid finishing, and well-made case.

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 2
4.2

The single crown/button system is generally well executed, with reviewers praising easy navigation once learned and good tactile feedback.

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 2
1.5

Call handling is minimal. The watch can surface incoming-call alerts, but reviewers consistently note that you cannot meaningfully handle calls from the wrist.

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 2
3.5

Calorie tracking is present, but the only direct review evidence says the estimates lean pessimistic rather than generous.

Product 2: Garmin Venu 4
No score yet
charging convenience
Product 1: Withings ScanWatch 2
3.7

Charging convenience is improved but still mixed: several reviewers like the secure cradle or clamp, while others find it fiddly or less elegant than magnetic charging.

Product 2: Garmin Venu 4
2.6

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

charging speed
Product 1: Withings ScanWatch 2
4.1

Charging speed is consistently respectable in the reviews, with most reporting a full charge in roughly 90 minutes to two hours.

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 2
3.4

Coaching exists mostly through the app and subscription layer, offering guidance, workouts, or nudges to move more, but some reviewers did not find the extra paid coaching compelling.

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 2
4.4

Comfort is usually very good for all-day wear, though it depends on size and personal preference, and a few reviewers found it less comfortable for sleep or certain wrists.

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 2
3.4

Companion app quality is mixed. Some reviewers like the detailed analysis and easy navigation, while others complain about glitches, busy layouts, or weak interpretation of the data.

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 2
1.0

Contactless payments are a clear omission, and multiple reviews call out the lack of any pay-from-your-wrist option.

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 2
4.5

Cross-platform support is a plus, with review evidence explicitly mentioning Android and iPhone compatibility.

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 2
3.9

Customization is decent around menus, screens, straps, and colors, but not especially deep, and at least one reviewer wanted more control.

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 2
3.9

Display quality is better than expected for such a small screen, with many reviews calling it sharp or readable, though the limited size still constrains usability.

Product 2: Garmin Venu 4
4.6

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

durability
Product 1: Withings ScanWatch 2
4.9

Durability is one of the clearer strengths, with reviewers highlighting scratch resistance, sapphire protection, and good cosmetic toughness over time.

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 2
4.9

ECG is a standout feature, repeatedly described as medical-grade, easy to run, and useful for sharing heart-rhythm information with a doctor.

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 2
2.3

Fit can be tricky depending on wrist size and strap setup, with some users finding the larger case or included band less than ideal.

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 2
4.0

For basic fitness tracking, reviewers generally found the watch dependable for everyday activity, with several saying pace, distance, steps, or overall workout data were reasonably solid.

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 2
2.7

GPS is a compromise: the watch often depends on a phone, and route accuracy can vary, though one review still found connected GPS better than many other watches using the same approach.

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 2
3.8

General health tracking reads as broadly useful, with one reviewer saying daytime data looked representative and another saying the core monitoring seemed accurate most of the time.

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 2
3.7

Heart-rate accuracy is mixed: some reviews found readings spot-on or close to reference devices, while others saw elevated daytime numbers or occasional workout errors.

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 2
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 2
4.8

Materials quality comes through in the use of sapphire glass, steel, and other premium finishes that make the watch feel upscale.

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 2
3.3

Menu navigation is functional but mixed overall: some reviewers adjusted quickly, while others found scrolling and backtracking clunky or fiddly.

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 2
1.0

Music control support is absent in the review coverage, which several reviewers flag as a limitation versus full smartwatches.

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 2
1.0

Onboard or offline music features are not part of the package according to the review evidence.

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 2
3.3

The operating experience is simple and crown-driven, which some reviewers appreciate, though others find it less intuitive than a standard smartwatch.

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 2
3.8

Outdoor visibility is mixed: some reviews say the screen is easy to read in all conditions, while another found it harder to see in bright light.

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 2
4.8

Pairing is generally easy, with reviewers describing setup as straightforward and, in one case, nearly instant.

Product 2: Garmin Venu 4
No score yet
recovery insights
Product 1: Withings ScanWatch 2
4.2

Recovery insight is a real strength when temperature and HRV are used well, with reviews pointing to recovery-status feedback, workout heat warnings, and post-workout recovery cues.

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 2
2.5

General reliability is uneven in the review evidence, with mentions of missed notifications, duplicate workouts, and other inconsistent behavior.

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 2
4.3

Safety-related health features are a genuine strength, with reviewers highlighting ECG-based AFib checks, sleep-apnea or breathing alerts, and temperature warnings for overheating or illness.

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 2
4.0

With both small and larger case options available, size choice is a useful part of the product’s appeal.

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 2
3.1

Sleep tracking is one of the most divisive areas, with some reviewers finding results similar to Oura or Ultrahuman and others reporting missed sleep, awake/sleep confusion, or overly generous scores.

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 2
2.6

Notifications are intentionally basic: enough for quick triage, but widely criticized for cramped scrolling text, inconsistent delivery, and limited usefulness for anything long.

Product 2: Garmin Venu 4
4.3

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

smartwatch features
Product 1: Withings ScanWatch 2
2.3

As a smartwatch, the ScanWatch 2 stays intentionally light, offering only basic watch-side tools and notifications instead of the richer feature set found on full smartwatches.

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 2
2.8

Software polish is a weak spot in the review evidence, with the app described as decent but not consistently smooth or coherent.

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 2
3.8

Step counting is mostly good but not universally consistent, with some reviewers calling it precise and others seeing varying counts or small gaps versus Garmin and Oura.

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 2
2.5

Stress support is limited and somewhat indirect: one review credits temperature and HRV trends with insight into body stress levels, while another notes the platform lacks dedicated stress features.

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 2
4.8

Style is arguably the watch’s biggest advantage, with review after review praising the elegant analog look and understated design.

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 2
1.0

Third-party app support on the watch itself is essentially absent in the review coverage.

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 2
1.0

There is no touchscreen, so responsiveness is a non-factor; all interaction runs through the crown and button input instead.

Product 2: Garmin Venu 4
4.7

The touchscreen is quick and responsive in normal use.

user interface
Product 1: Withings ScanWatch 2
3.5

The interface is deliberately pared back and concise, which helps readability, though it also limits how much can be done on the watch itself.

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 2
2.5

Value for money is the main downside in the review set, as several reviewers question the premium price given the limited smart features and strong competition.

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 2
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 2
4.5

The watch face earns praise for looking like a real, high-quality analog timepiece rather than a typical gadget-first smartwatch.

Product 2: Garmin Venu 4
No score yet
water resistance
Product 1: Withings ScanWatch 2
4.5

Water resistance is confidently rated for everyday exposure and swimming, with multiple reviews explicitly calling out 5ATM or pool-safe 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 2
4.3

Wellness insight is one of the device’s main appeals, with reviews praising its broad health focus, discreet tracking, and useful wellness readouts more than hardcore training features.

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 2
3.5

Workout coverage is broad on paper, but the experience stays basic; reviewers mention 30 to almost 50 modes, yet note missing workout types and limited depth for athletes.

Product 2: Garmin Venu 4
4.8

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