Fitbit Flex 2 vs. Huawei Watch 2 vs. Garmin Vivosmart 3 vs. Polar A370 vs. Apple Series 6

 
Flex 2
Watch 2
Vivosmart 3
A370
Series 6
 FitbitFlex 2Remove Buy NowHuaweiWatch 2Remove Buy NowGarminVivosmart 3Remove Buy NowPolarA370Remove Buy NowAppleSeries 6Remove Buy Now

Basic Info

Suggested Price$100$350$139.99$179.95$399
Release20162017201720172020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days48 hours5 daysUp to 3 daysNot yet
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a480 x 48064 x 128160 x 80384 x 480
Sizen/a1.38 inchesNA1.18 inches40mm
Touchn/a
TypeLEDP-OLEDOLEDTFT LCDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor5 ATM
Water Resistance5 ATMIP685 ATMWR30

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid Wear 2WatchOS 5
Apps
Music

All Wearables