Fitbit Charge 2 vs. Asus ZenWatch vs. Casio WSD-F20A vs. Polar Loop vs. HTC re Grip

 
Charge 2
ZenWatch
WSD-F20A
Loop
re Grip
 FitbitCharge 2Remove Buy NowAsusZenWatchRemove Buy NowCasioWSD-F20ARemove Buy NowPolarLoopRemove Buy NowHTCre GripRemove Buy Now

Basic Info

Suggested Price$150$150$399$100$199
Release20162014201820132020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 daysNA1 day5 days5 hours to 2.5 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNANANA
MacNANANA
WindowsNANANA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a320 x 320320 x 320NA160 x 32
Sizen/a1.63 inches1.32 inchesNA1.8 inches
Touchn/a
TypeOLEDAMOLEDLCDLEDPMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/aIP555 ATM2 ATMIP57

Notifications

Phone
EmailsNA
TextsNA

Software

Operating Systemn/aAndroid WearWear OSNANA
Apps
Music

All Wearables