Best Fitness Tracker for Interval Training – The best thing I can say about Matrix’s PowerWatch 2 ($500) is that the recharging from body heat and solar power really works. I wore it for more than three weeks without having to recharge it. However, it’s huge and clunky. During my testing, the heart-rate monitor was inaccurate, and it was hard to change the display.
- OVERVIEW
- ROUND UP
- 1.Garmin fenix
- 2.Lintelek Fitness
- 3.Withings Steel
- 4.COROS APEX
- 5.Apple Watch
- 6.Letsfit Smart
- 7.BodiMetrics
- 8.Odetina NFC
- 9.HalfSun Fitness
- 10.Wahoo Fitness
- Best Fitness Tracker for Interval Training – BUYER’S GUIDE
- Frequently Asked Questions
- How accurate is your tracker’s step count?
- What about privacy and security?
- WRAP UP
OVERVIEW
The app was beset by technical problems, and I constantly had to reinstall and reconnect the watch. For such an expensive watch, it was just too hard to use.
ROUND UP
back to menu ↑1.Garmin fenix
- Product
- Images
Features
- Fit for performance with rugged, sophisticated design that features an always-on 1.3” (18% larger than previous Fenix models) sunlight-readable display with bezels in stainless steel, titanium or diamond-like carbon (DLC) coating
- Enhanced estimated wrist heart rate and Pulse Ox to support advanced sleep monitoring and altitude acclimation at high elevations (this is not a medical device and is not intended for use in the diagnosis or monitoring of any medical condition)
- Advanced training features include PacePro for grade-adjusted pace guidance throughout your activity plus environmentally adjusted VO2 max and training status estimates
- Navigate the outdoors with preloaded topo maps, ski maps for over 2,000 worldwide ski resorts, multiple global navigation satellite system (GPS, GLONASS and Galileo) support and built-in sensors for 3-axis compass, gyroscope and barometric altimeter
- Support for Garmin Pay contactless payments (not all countries and payment networks are eligible), music storage with premium streaming service (may require subscription with third-party music provider) support, smart notifications and more
- Battery performance: Up to 14 days in smart Watch mode, up to 10 hours in GPS and music mode, up to 28 days in expedition GPS activity mode, and up to 48 days in battery saver Watch mode
- Included components: Fenix 6, Charging/data cable, Documentation
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2.Lintelek Fitness
- Product
- Images
Features
- Heart Rate & Sleep Monitor: Lintelek fitness tracker monitors your heart rate all day. It tracks your sleep (awake sleep, deep sleep, awake time)at night.
- All-day Activity Tracker: The fitness tracker can track your daily steps, calorie consumed, workout distance and time. You can see detailed data on Veryfitpro APP.
- 14 Sport Modes: It has 14 sports modes to track the corressponding exercise. It will record your workout time, heart rate and distance. With connected GPS, it can record your workout route.
- Call and Message Notification: You can get call,SMS messages and SNS notifications directly on your wrist(including Facebook, Twitter, WhatsApp and Instagram).
- USB Charge: Remove the band then plug on USB port to charge the fitness tracker. This fitness watch can be used for up to 7 days after fully charged.
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3.Withings Steel
- Product
- Images
Features
- DAY & OVERNIGHT HEART RATE - Enjoy heart rate tracking day & night plus continuous tracking during workouts.
- DAILY ACTIVITY TRACKING - Automatically counts steps, calories and distance.
- AUTOMATIC SLEEP MONITORING - Wake to a Sleep Score based on light & deep sleep cycles, interruptions, depth & regularity.
- MULTISPORT TRACKING - Tracks 30+ sports and maps your session with distance, elevation and pace via connected GPS.
- RECORD BATTERY LIFE - Spend more time moving and less time charging with a rechargeable battery that lasts up to 25 days.
- SMART NOTIFICATIONS - Customize call, text, event & app notifications from your smartphone right on the watch screen.
- WATER RESISTANT TO 50M - Steel HR is a life-friendly hybrid smartwatch that can accompany you to the pool or hit the showers.
- AUTOMATIC DATA SYNC - Steel HR seamlessly syncs with the free Health Mate app via Bluetooth. Works with Alexa, Apple Heath, Google Fit, Strava and 100+ top health & fitness apps.
- SWAPPABLE WRISTBANDS - If you have multiple bands, it's easy to change them in seconds to wear Steel HR your way: leather, silicone or metal.
- Withings products on Amazon must be “ships from and sold by” Amazon or Withings to be eligible for warranty/replacement by Withings.
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4.COROS APEX
- Product
- Images
Features
- Designed for fast and light mountain athletes with route navigation and checkpoint features supported with 24 days of regular battery life and 25 hours in full GPS mode
- Interval, structured, triathlon and strength training modes with training programs and plans created by COROS athletes and coaches available free on COROS.com
- Built-in running power metrics from the wrist plus native and complete integration with Stryd power meters
- Featuring running, cycling, swimming, cardio, strength, and water sports modes with ongoing support and updates.
- Built with a stainless steel bezel and a sapphire glass screen and includes optical heart rate monitor, barometric altimeter, accelerometer, compass, gyroscope and thermometer with 24/7 heart rate monitoring, sleep, step, and calorie tracking
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5.Apple Watch
- Product
- Images
Features
- GPS model lets you take calls and reply to texts from your wrist
- Measure your blood oxygen with an all-new sensor and app
- Check your heart rhythm with the ECG app
- The Always-On Retina display is 2.5x brighter outdoors when your wrist is down
- S6 SiP is up to 20% faster than Series 5
- 5GHz Wi-Fi and U1 Ultra Wideband chip
- Track your daily activity on Apple Watch and see your trends in the Fitness app on iPhone
- Measure workouts like running, walking, cycling, yoga, swimming, and dance
- Swimproof design
- Sync your favorite music, podcasts, and audiobooks
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6.Letsfit Smart
- Product
- Images
Features
- Overtake your expectations: featuring a 1. 3 Inch large touch screen that allows you to understand your health more intuitively by displaying your sports data vividly and in a way that is easy to understand. Meets IP68 water Standard requirements, this Letsfit smartwatch also lets you avoid any troubles when swimming or working out in the rating.
- Protect & monitor your health: Our Letsfit activity watch includes a bunch of new features, including: music control, even Stress training. Making it more than just a health tracker.
- Affordable & Functional: Like most traditional health trackers, Lestfit Smart Tracker can monitor your steps, calories burned, sport mileage, and sleep quality status 24 hours a day whilst syncing with our VeryFitPro app. Your device can also enjoy up to 10 days of battery life per full charge.
- Call & message notifications: Receive and read SMS messages and SNS notifications straight to your device (including Facebook, twitter, WhatsApp, LinkedIn and Instagram). you can even hang up incoming phone calls straight from your wrist
- Smart Watch compatibility:"VeryFitPro" requires Android OS 4. 0 or iOS 8. 0 and above or Bluetooth 4. 0 and above, suitable for smartphones only.
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7.BodiMetrics
- Product
- Images
Features
- CONTINUOUS SPO2 & HR TRACKING: The CIRCUL continuously tracks and records your blood oxygen & HR levels; records your exercise heart rate, steps & calories burned; and during sleep SpO2, HR and sleep stages, and can alert you via your CIRCUL mobile app to SpO2 levels you set for your personal tracking
- ADJUSTABLE SIZING FOR A PERFECT FIT: This sleep and fitness ring comes in two sizes which are adjustable to fit your finger so there is no wasting time with a sizing kit; small fits sizes 5-9 and large fits sizes 9. 5-12
- OPTIMAL BATTERY LIFE & QUICK CHARGING TIME: Be ready to go at any time with up to 15 hours of use and quickly recharge in 90 minutes or LESS with the included (2) USB chargers
- TRACK & SHARE STATS: Share your sleep and workout records with your partner, trainer, physician, caregiver or family member to take charge of your own health
- IOS AND ANDROID COMPATIBILITY: Download our app for iOS or Android operating systems and follow your workouts, sleep stages and blood oxygen levels in our easy to read platform
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8.Odetina NFC
- Product
- Images
Features
- Please take off the phone case before linking, The smart ring is a fashionable and wearable electronic Be able to connect to a mobile phone
- The chip is ntag213 chip, which can be set to open the smart door lock, recharge all-in-one card, unlock the smart phone, lock the important files of the mobile phone, and transfer files with one key
- By touching the NFC signal area of the mobile phone, the smart ring can unlock the screen, lock the application program, quickly start the application, send and read the business card and website information.
- Standard US size 7, size 8, size9, size10, size11, size12 No need to charge and waterproof.
- Never to worry about your cellphone is out of grid, out of battery, or don’t have access to your cellphone.
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9.HalfSun Fitness
- Product
- Images
Features
- 【Excellent Ergonomic Design】Large Color-Screen : The beauty in all in view. Using a 1.3 inch IPS HD full color-screen, high contrast & wide gamut bring a pleasant experience of high definition image.; Skin Friendly and lithe comfortable material.
- 【All-day Activity Tracking】Record all-day activities like steps, distance, calories burned, active minutes and sleep quality, you can get the completely report in the APP.
- 【Heart Rate & Blood Pressure & Sleep Monitor 】Tracks real-time heart rate and Blood Pressure automatically & continuously, also you could get completely report in the App. Automatically tracks your sleep quality, helping you analysis of sleep quality data and improve your habits and customs.
- 【Other Powerful Multiple Features】Sport Modes , Sleep Monitor, Step Counter, Calorie Counter, Call Alert(Hang up), Turn wrist take photos, Alarm , Sedentary Alert, SMS&SNS Alert ; Connect the GPS on your cellphone can show run stats like pace and distance and record a map of your workout route.
- 【Important Note】Please connect with smartphone via the App ”H Band” not Bluetooth ;Please keep your wrist stable when testing blood pressure; Sleeping Data updated every 24 hours, please don’t think it doesn’t work when you get up.Alarm , Sedentary Alert, SMS&SNS Alert feature need to set up in the App, tap"Mine"-> "V2"->begin set up; Please set "H Band" auto run in the App management if meet connect problem in Android smartphone, authorize ” H Band” and turn on all switches in App permission
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10.Wahoo Fitness
- Product
- Images
Features
- Personalized Heart Rate Training – workout efficiently – track and capture real-time heart rate, training zones and calories burned on your smartphone or tablet with compatible training apps.
- Integrated with Bluetooth and ANT+, TICKR connects to smartphones, tablets, GPS watches and bike computers by Wahoo, Polar, Garmin, Apple and more.
- Works with 50+ Smartphone Apps including Wahoo Fitness, Zwift, Runtastic, Runkeeper, UA Record, Endomondo, Peloton, Map My Run, Komoot and Nike Run Club
- Record workout data with the Wahoo Fitness app and automatically upload data to your favorite training platform like Strava.
- Choice of Champions - Official Heart Rate monitor of Team INEOS, Bora-Hansgrohe, Katusha Alpecin, Ironman World Champion Jan Frodeno, Heather Jackson and American Pro Mountain Biker Sonya Looney
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Best Fitness Tracker for Interval Training – BUYER’S GUIDE
Step counting
Before heart rate monitors became standard, keeping track of your steps was the reason you’d wear a device all day, rather than just strapping one on for a workout. An accelerometer in the device senses movement and software translates certain movements into steps. It’s an imperfect method to say the least, as anyone whose fitness tracker has buzzed to celebrate a step goal while you’re sitting on the bus will know.
That’s not to say counting steps is pointless. Movement – steps or otherwise – is good and more movement is better, and it’s the little encouragements and challenges to induce you to move more and move regularly that can be beneficial to your health.
Heart rate monitoring
It was once a feature restricted to high-end trackers, but most wearables now offer optical heart rate tracking. Some will only record your heart rate constantly during activities and take periodic measurements throughout the day to preserve battery life, but we think you should expect 24/7 monitoring on anything that costs over £100.
With heart rate tracking comes a wealth of other information, including an estimate of your VO2 max and resting heart rate, both of which are good measures of your overall cardiovascular fitness. High-end sports trackers also use heart rate tracking to provide info on the effect of your training session and how long you should spend recovering afterwards.
Optical tracking is usually pretty accurate during day-to-day life, but is more hit and miss during exercise, especially intense workouts. That can be especially problematic when certain tracker brands offer training sessions to follow that rely on you working on certain heart rate zones. Getting a tight fit with your tracker can help, but don’t expect miracles – if you want more accurate heart rate tracking it’s wise to link your device to a chest strap via Bluetooth or ANT+ if possible.
ECG Measurements
There are several fitness trackers available now that can take a medical-grade electrocardiogram (ECG) measurement from your wrist, which you usually do by holding your finger against one part of the device for 30 seconds. These ECG scans can detect atrial fibrillation, ie an irregular heartbeat – a common condition, but one that you will want to get checked out by your GP if a device does detect it.
Watches with the ability to take an ECG reading also often be able to monitor your heartbeat proactively to detect abnormally low or high heart rates, or prompt you to take an ECG if they spot any signs of an irregular heartbeat.
ECG-enabled fitness trackers require a CE mark in the UK and Europe, which means some devices that can technically do it don’t offer the feature yet while this certification is pending. Those that already have a CE mark include the Apple Watch, the forthcoming Fitbit Sense, Fitbit’s Ionic and Versa smartwatches via a third-party app FibriCheck, and the Withings ScanWatch. The Samsung Galaxy Watch 3 and Galaxy Watch Active 2 devices are awaiting formal certification.
back to menu ↑Frequently Asked Questions
back to menu ↑How accurate is your tracker’s step count?
Fitness trackers collect and present all kinds of data, including the number of steps you walk in a day, the kinds of activities you do, the intensity of your workouts, and how well you sleep. But how accurate are they? It depends. Although fitness trackers tend to measure some activities well, they measure others quite poorly—including all-day step count. (On that note, the often-lauded touchstone of 10,000 daily steps seems to be arbitrary at best, though moving more throughout the day is rarely a negative.)
back to menu ↑What about privacy and security?
Health apps and wearables collect a raft of data, which isn’t regulated or legally protected in the same way that other health data (say, from a visit to a doctor) is (by HIPAA).
WRAP UP
We’ve tested dozens over the past four years to bring you these picks. Not quite what you’re looking for? Check out our guides to the best smartwatches or best running gear.
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