Polar M600 vs. Withings Activite Sapphire vs. Fitbit Flex 2 vs. Microsoft Band 2 vs. Fitbit Flex

 
M600
Activite Sapphire
Flex 2
Band 2
Flex
 PolarM600Remove Buy NowWithingsActivite SapphireRemove Buy NowFitbitFlex 2Remove Buy NowMicrosoftBand 2Remove Buy NowFitbitFlexRemove Buy Now

Basic Info

Suggested Price$330$450$100$250$100
Release20162014201620152013

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2 days8 months5 days48 hours (without GPS)5 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolution240 x 240n/an/a320 x 128NA
Size1.3 inches1.3 inchesn/a1.36 inchesNA
Touchn/an/aNA
TypeTFTAnalogLEDCapacitative TFTLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX85 ATM5 ATMIPX71 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid Wearn/an/an/aNA
Apps
Music

All Wearables