ASUS ZenWatch 2 vs. Polar Loop 2 vs. Sony SmartBand 2 vs. Fitbit Charge vs. Fitbit Flex

 
ZenWatch 2
Loop 2
SmartBand 2
Charge
Flex
 ASUSZenWatch 2Remove Buy NowPolarLoop 2Remove Buy NowSonySmartBand 2Remove Buy NowFitbitChargeRemove Buy NowFitbitFlexRemove Buy Now

Basic Info

Suggested Price$150$120$130$130$100
Release20162015201520142013

Activity & Fitness

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

Battery

Durationn/a8 days (without notifications)2 days7-10 days5 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolution320 x 320n/an/aNANA
Size1.63 inches or 1.45 inchn/an/aNANA
Touchn/aNANA
TypeAMOLEDLEDn/aOLEDLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP672 ATMIP581 ATM1 ATM

Notifications

Phone
Emailsn/a
Textsn/a

Software

Operating SystemAndroid Wearn/an/aNANA
Apps
Music

All Wearables