Withings ScanWatch 2 Review 2026: A Scam or Legit?

You want a smartwatch that looks like a real watch. You also want one that tracks your heart, sleep, temperature, and oxygen levels.

The Withings ScanWatch 2 promises to deliver all of this and more. It blends a classic analog design with powerful health sensors. And it lasts up to 30 days on a single charge.

But does it actually live up to the hype in 2026? With so many smartwatches on the market, choosing the right one can feel overwhelming. I spent weeks testing the ScanWatch 2 to find out if it truly earns its price tag.

Key Takeaways:

• The Withings ScanWatch 2 is a hybrid smartwatch that pairs analog watch hands with a small OLED digital screen. It tracks ECG, SpO2, body temperature, heart rate, HRV, sleep, and over 40 workout types. This makes it one of the most sensor-packed hybrid watches available in 2026.
• Battery life is a standout feature. You can expect up to 30 days of regular use before needing a recharge. Even with continuous health monitoring turned on, many users report getting at least two weeks. Charging takes roughly two hours through a USB-C dock.
• The design is premium and classic. The stainless steel case and sapphire glass give it the look of a traditional luxury watch. It comes in 38mm and 42mm sizes with multiple color options. It does not look like a typical tech gadget on your wrist.
• Health tracking is medical grade. The ECG function has FDA clearance in the United States. The SpO2 sensor is clinically validated within 3 percentage points of accuracy. The TempTech24/7 module tracks your body temperature around the clock using four internal sensors.
• The Withings Health Mate app is required to access your full data dashboard. It connects with third party platforms like Strava, Samsung Health, and Apple Health. An optional Withings+ subscription at $99 per year adds cardiologist evaluations and deeper health insights.
• It is priced at around $349 to $369. This places it in the premium hybrid smartwatch category. For the level of health tracking and battery life you receive, it offers strong value compared to full touchscreen smartwatches that need daily charging.

Withings ScanWatch 2: Design and Build Quality

The Withings ScanWatch 2 looks like a traditional analog wristwatch. It has a stainless steel case with a sapphire glass crystal on top. The sapphire glass resists scratches and holds up well during daily wear.

The watch comes in two sizes. The 38mm version weighs 34.6 grams without the strap. The 42mm version weighs 52.6 grams. Both sizes feel light and comfortable on the wrist for all day wear.

A small 0.63 inch grayscale OLED screen sits on the upper half of the watch face. This screen shows notifications, health data, and workout stats. It has a resolution of 14,504 pixels at 282 PPI. The display is sharp and easy to read even in bright sunlight.

The watch uses a rotating crown button on the side. You press it to scroll through screens. A long press activates a quick action you can customize. The analog hands move to the 10:10 position automatically so they do not block the digital screen.

The default FKM fluoroelastomer band is functional but not luxurious. Some users with sensitive skin may find it irritating. The good news is that you can swap it for any standard 18mm or 20mm band. Stainless steel and leather options look great with this watch.

Overall, the ScanWatch 2 delivers a premium feel. It looks appropriate in both a boardroom and a gym. You will not feel self-conscious wearing this watch in any setting.

Display and User Interface

The grayscale OLED screen on the ScanWatch 2 is small but effective. You scroll through different screens by pressing the crown button. Each screen shows a different piece of data such as heart rate, steps, workout status, or notifications.

The wrist raise to wake feature works most of the time. However, it can be inconsistent. Sometimes you need to press the crown manually to light up the screen. This is a minor inconvenience but worth noting.

Notifications scroll across the small screen twice. If you miss a notification, you need to check your phone. There is no way to replay the last notification on demand. This is one area where Withings could improve the user experience.

The watch face shows traditional analog hands for the time. A small sub dial at the bottom tracks your daily step progress. The digital screen handles all the smart features. This split between analog and digital gives the watch its hybrid character.

You can customize the long press action on the crown button. Options include starting an ECG, launching a timer, or activating do not disturb mode. This adds a layer of personalization that power users will appreciate.

The interface is simple by design. You will not find app grids, color graphics, or touch gestures here. This is a health tracking watch first and a notification device second. If you want a full smartphone on your wrist, this is not the right choice.

Health Tracking Features: ECG, SpO2, and More

The ScanWatch 2 packs a serious set of health sensors into its compact body. The 1-lead ECG sensor has received FDA clearance in the United States. You place your finger on the stainless steel bezel for 30 seconds to get a reading. The watch can detect signs of atrial fibrillation (AFib).

Blood oxygen monitoring (SpO2) works both on demand and during sleep. The sensor is clinically validated to be accurate within 3 percentage points. This data is useful for understanding your respiratory health and sleep quality.

The TempTech24/7 module is a highlight feature. It uses four sensors to track your body temperature continuously. These include a thermistor, heat flux sensor, PPG sensor, and accelerometer. The watch can flag temperature variations that might indicate illness or hormonal changes.

Heart rate monitoring runs 24/7. The watch uses a multi-wavelength PPG sensor with 16 channels. It also measures heart rate variability (HRV) overnight. HRV data helps you understand your recovery, stress levels, and overall cardiovascular fitness.

The watch tracks breathing disturbances during sleep. It logs your respiratory rate and flags any irregularities. This data can be shared with your doctor for further evaluation.

For women, the ScanWatch 2 includes cycle tracking tied to body temperature data. This provides more accurate predictions than calendar-based tracking alone.

Sleep Tracking and Analysis

Sleep tracking on the ScanWatch 2 is detailed and automatic. You do not need to press any button before bed. The watch detects sleep onset, wake times, and interruptions on its own.

The watch measures sleep cycles including light and deep sleep phases. It logs your total sleep duration and scores your sleep quality each morning. You can view this data in the Withings Health Mate app.

Overnight SpO2 monitoring happens automatically. The watch checks your blood oxygen levels while you sleep. It also monitors your respiratory rate and flags any breathing disturbances. These insights can help identify potential sleep apnea symptoms.

Heart rate and HRV data during sleep provide a deeper view of your recovery. The watch tracks your resting heart rate throughout the night. Lower resting heart rates generally indicate better cardiovascular fitness.

Body temperature trends during sleep are tracked by the TempTech24/7 module. This data helps identify patterns related to illness, stress, or hormonal cycles. The app displays temperature trends over days and weeks for easy comparison.

The ScanWatch 2 also features a Smart Wake-Up alarm. It vibrates to wake you during a light sleep phase within a window you set. This helps you feel more rested compared to a fixed time alarm.

The long battery life means you can wear the watch every night without worrying about charging. Many smartwatches need overnight charging, which creates gaps in sleep data. The ScanWatch 2 avoids this problem entirely.

Top 3 Alternatives for Withings ScanWatch 2

If the ScanWatch 2 does not match your needs, here are three strong alternatives worth considering.

1. Withings ScanWatch Nova

The ScanWatch Nova offers the same health sensors as the ScanWatch 2. It adds a dive watch inspired design with a 10 ATM water resistance rating. The sunray dial and Super-LumiNova hands give it a more luxurious look. It costs more than the ScanWatch 2 but delivers a premium aesthetic experience.

2. Withings ScanWatch Light

The ScanWatch Light is a budget friendly option from Withings. It tracks heart rate, sleep, and activity. It does not include ECG, SpO2, or temperature monitoring. It costs about $100 less than the ScanWatch 2. This makes it a solid pick if you want basic health tracking in a classic design.

3. Garmin Vivomove Sport

The Garmin Vivomove Sport is another hybrid smartwatch. It has a hidden OLED touchscreen behind analog hands. It tracks heart rate, stress, body battery, and sleep. It connects to the Garmin ecosystem. Battery life is about 5 days in smartwatch mode. It is a strong choice for Garmin users who want a hybrid option.

Fitness and Workout Tracking

The ScanWatch 2 supports over 40 workout types. These range from common activities like running and cycling to options like zumba, kite surfing, and rugby. You can set up to eight favorite workouts for quick access on the watch.

Auto-detection works for popular activities. The watch recognizes walking, running, and cycling automatically. You do not need to start a workout session manually for these activities. This is helpful for people who forget to press start.

The watch uses connected GPS through your smartphone. It does not have a built-in GPS chip. You need your phone nearby for accurate distance and route tracking during outdoor activities. This is a trade-off for the extended battery life.

During workouts, the watch tracks heart rate zones, pace, and distance. The data syncs to the Withings Health Mate app after your session. You can review your workout history and track your progress over time.

The ScanWatch 2 is not built for serious athletes who need advanced running dynamics or VO2 max estimates. It excels at general fitness tracking and daily activity monitoring. If you need lap splits, cadence data, or power zone training, a dedicated sports watch is a better fit.

Step counting uses a high dynamic range accelerometer. The watch also includes an altimeter to track floors climbed. A small sub dial on the watch face shows your step progress throughout the day.

Battery Life and Charging

Battery life is one of the biggest advantages of the ScanWatch 2. Withings rates it for up to 30 days on a standard use pattern. Some users report getting up to 35 days with lighter use.

Continuous health monitoring does reduce battery life. With SpO2, temperature, and heart rate tracking all running, expect about two weeks. This is still far longer than most full touchscreen smartwatches, which typically last one to two days.

Charging happens through a magnetic USB-C dock. The watch sits in a small cradle and takes roughly two hours to go from empty to full. You can top it up quickly during a shower or while getting ready in the morning.

The low power OLED display and Bluetooth Low Energy connection help conserve battery. The watch does not have a full color screen, Wi-Fi, or LTE, which is exactly why the battery lasts so long. These trade-offs make sense for a health-focused hybrid watch.

You will not experience the daily charging anxiety that comes with most smartwatches. Wearing the ScanWatch 2 all day and all night is easy because you rarely need to take it off. This results in more complete health data with fewer gaps.

Withings Health Mate App Experience

The ScanWatch 2 requires the Withings Health Mate app on your smartphone. The app is available for both iOS and Android. It serves as the central hub for all your health data.

The app dashboard shows a clear summary of your daily health stats. You can view heart rate trends, sleep analysis, activity logs, temperature data, ECG readings, and SpO2 levels in organized sections. The layout is clean and easy to read.

Data sharing is straightforward. The app generates health reports you can share with your doctor or a family member. This is useful for people who want to involve their healthcare provider in tracking chronic conditions.

The app connects with third party services. You can link it to Strava, Samsung Health, Apple Health, Google Fit, and MyFitnessPal. This ensures your ScanWatch 2 data flows into whatever platform you already use.

Withings+ is an optional subscription at $99 per year. It unlocks a Vitality Indicator powered by AI. This feature analyzes your HRV, activity, temperature, SpO2, respiratory rhythm, and sleep to estimate your energy levels. Subscribers also get up to four cardiologist evaluations per year.

The free tier still provides all the core health data. You do not need the subscription to get ECG, SpO2, temperature, sleep, or activity data. The subscription adds coaching, deeper insights, and the medical evaluations.

Withings ScanWatch 2: Compatibility and Connectivity

The ScanWatch 2 connects to your phone via Bluetooth Low Energy. It works with both Android and iOS devices. You need a phone running iOS 16 or later, or Android 10 or later.

There is no Wi-Fi or LTE on this watch. It depends on a Bluetooth connection to your phone for GPS data and notifications. This limits its use as a standalone device but supports the long battery life.

Notifications from your phone appear on the OLED screen. You can see calls, texts, calendar alerts, and app notifications. However, you cannot reply to messages or take calls from the watch. It is a one-way notification system.

The watch also connects to smart home devices. It integrates with Nest thermostats and Aura sleep systems. The watch can signal these devices to adjust home temperature for sleeping and waking conditions.

Water resistance is rated at 5 ATM. This means you can wear it while swimming or in the shower. It handles water exposure well during daily activities and pool workouts.

The standard 18mm (38mm model) or 20mm (42mm model) band attachment makes replacements easy. You can find a wide selection of bands online without needing proprietary connectors.

Who Should Buy the Withings ScanWatch 2?

The ScanWatch 2 is ideal for health-conscious individuals who want continuous monitoring without daily charging. If you care about ECG, SpO2, temperature, and sleep data, this watch delivers all of it.

People who prefer classic watch aesthetics will love this device. It does not look like a tech gadget. It blends into professional and formal settings easily. You get health tracking power in a package that looks like a $500 dress watch.

Anyone tired of charging their smartwatch every night should consider this option. The 30 day battery life changes the experience of wearing a smartwatch. You get continuous data without the hassle of daily charging.

The ScanWatch 2 is also a good fit for people with heart conditions. The FDA-cleared ECG and AFib detection provide meaningful health data. The ability to share reports with doctors adds real medical value.

However, this is not the best choice for serious athletes. Runners, cyclists, and triathletes who need built-in GPS, advanced metrics, and detailed workout analysis will find this watch limited. A dedicated Garmin or Polar sports watch suits those needs better.

It is also not ideal for people who want a full smartwatch experience. You cannot install apps, use voice assistants, or reply to messages. If you want an Apple Watch or Galaxy Watch experience, this is not it.

Withings ScanWatch 2: Pros and Cons

The biggest pros of the ScanWatch 2 include its exceptional battery life, medical-grade health sensors, and elegant design. You rarely find all three in a single device. The 30 day battery removes a major pain point of modern smartwatches.

The health tracking depth is impressive. ECG, SpO2, temperature, HRV, sleep cycles, and breathing disturbances give you a complete picture of your daily health. The FDA clearance for the ECG adds credibility.

The premium build quality justifies the price. Stainless steel and sapphire glass are materials you find in traditional luxury watches. The ScanWatch 2 feels expensive on the wrist.

On the downside, the default band is underwhelming for a $350+ watch. The FKM strap is functional but not comfortable for everyone. Upgrading the band should be one of your first purchases.

The small grayscale screen limits functionality. You cannot view photos, use maps, or interact with apps. Notifications scroll only twice with no replay option. This is a deliberate design choice, but it frustrates some users.

Connected GPS means you need your phone for outdoor tracking. This adds a dependency that dedicated sports watches do not have. If you run or cycle without your phone, you lose distance and route data.

Withings ScanWatch 2 vs. Original ScanWatch

The ScanWatch 2 improves on the original in several key areas. The biggest addition is overnight HRV tracking. The original ScanWatch does not offer this feature. HRV data provides valuable insight into recovery and stress.

Body temperature tracking is new to the ScanWatch 2. The TempTech24/7 module with its four sensors did not exist in the first generation. This alone makes the upgrade worth considering.

The ScanWatch 2 also adds Irregular Rhythm Notifications. This feature passively monitors for signs of AFib throughout the day. The original model required manual ECG readings to check for irregularities.

Display resolution improved with a higher PPI count. The OLED screen on the ScanWatch 2 is clearer and easier to read. The overall interface received small usability updates as well.

Battery life remains similar at around 30 days. Withings managed to add more sensors without reducing battery performance. The charging dock switched to USB-C, which is a welcome update.

The price difference between the two models is minimal. If you are choosing between them, the ScanWatch 2 is the clear winner. The added sensors and features make it a significantly better product.

Is the Withings ScanWatch 2 Worth It in 2026?

The Withings ScanWatch 2 remains one of the best hybrid smartwatches you can buy in 2026. No other hybrid watch matches its combination of health sensors, battery life, and classic design. It fills a unique gap between basic fitness bands and full touchscreen smartwatches.

At around $349 to $369, the price is fair for what you receive. You get medical-grade ECG, clinical SpO2 tracking, 24/7 temperature monitoring, and a 30 day battery. These features together justify the investment.

The watch is not perfect. The small screen, lack of built-in GPS, and limited notification interaction are real drawbacks. But these trade-offs exist because Withings prioritized battery life and health tracking depth.

If you value health data and classic aesthetics over app functionality and flashy screens, the ScanWatch 2 is hard to beat. It tracks your body around the clock without asking you to charge it every night. That alone makes it a standout device.

For anyone looking to monitor their health continuously with a watch that does not scream “tech gadget,” the Withings ScanWatch 2 earns a strong recommendation in 2026.

Frequently Asked Questions

Does the Withings ScanWatch 2 work with both iPhone and Android?

Yes, the ScanWatch 2 works with both platforms. It requires the Withings Health Mate app. You need iOS 16 or later for iPhones. Android devices need Android 10 or later. The app is free to download and use.

Is the ECG on the Withings ScanWatch 2 FDA cleared?

Yes, the Withings ECG App integrated into the ScanWatch 2 has received FDA clearance in the United States. It has also received CE medical certification in Europe. The ECG can detect signs of atrial fibrillation.

How long does the battery last on the Withings ScanWatch 2?

Withings rates the battery for up to 30 days. With continuous health monitoring enabled, expect about 14 to 20 days. Lighter usage can push it beyond 30 days. Charging takes approximately two hours through the USB-C magnetic dock.

Can I swim with the Withings ScanWatch 2?

Yes, the watch has a 5 ATM water resistance rating. You can swim, shower, and participate in water-based activities while wearing it. It is not rated for deep diving.

Do I need a Withings+ subscription to use the ScanWatch 2?

No, all core health tracking features work without a subscription. ECG, SpO2, temperature, sleep, and activity tracking are free. The Withings+ subscription at $99 per year adds AI-powered insights, the Vitality Indicator, and cardiologist evaluations.

Does the Withings ScanWatch 2 have built-in GPS?

No, the ScanWatch 2 uses connected GPS through your smartphone. You need to carry your phone during outdoor activities for accurate distance and route tracking. This trade-off supports the long battery life.

What sizes does the Withings ScanWatch 2 come in?

The watch is available in 38mm and 42mm sizes. Both sizes come in multiple color options including black, blue, and white dials. The cases are available in standard silver and other finishes. Standard watch bands in 18mm or 20mm widths are compatible.