Polar V800 vs. Withings Activite Sapphire vs. Fitbit Flex 2 vs. Michael Kors Access Sofie vs. Apple Watch 7

 
V800
Activite Sapphire
Flex 2
Access Sofie
Watch 7
 PolarV800Remove Buy NowWithingsActivite SapphireRemove Buy NowFitbitFlex 2Remove Buy NowMichael KorsAccess SofieRemove Buy NowAppleWatch 7Remove Buy Now

Basic Info

Suggested Price$470$450$100$395$429
Release20142014201620172021

Activity & Fitness

Calories
Cycling (Bicycling)n/a
Distance
Heartn/a
Oxygen
Sleep
Steps
Swim

Battery

Duration13 hours to 30 days8 months5 days1 day18 Hours
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/an/a
Macn/a
Windowsn/a

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/an/a390 x 390 1.19 inches396 x 484
Sizen/a1.3 inchesn/a1.9 inches
Touchn/aAMOLDED
Typen/aAnalogLEDMicroLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATM5 ATM5 ATM1 ATMwater resistant but not waterproof

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/an/aAndroid Wear 2.0WatchOS 8
Apps
Music

All Wearables