Polar M600 vs. Withings Activite Sapphire vs. Fitbit Flex 2 vs. Sony SmartBand 2 vs. Mobvoi TicWatch S2

 
M600
Activite Sapphire
Flex 2
SmartBand 2
TicWatch S2
 PolarM600Remove Buy NowWithingsActivite SapphireRemove Buy NowFitbitFlex 2Remove Buy NowSonySmartBand 2Remove Buy NowMobvoiTicWatch S2Remove Buy Now

Basic Info

Suggested Price$330$450$100$130$180
Release20162014201620152019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2 days8 months5 days2 days2 DAYS
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/an/a
Resolution240 x 240n/an/an/a400 x 400
Size1.3 inches1.3 inchesn/an/a1.39 inches
Touchn/an/an/a
TypeTFTAnalogLEDn/aOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX85 ATM5 ATMIP585 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid Wearn/an/an/aWear OS
Apps
Music

All Wearables