Fitbit Charge 2 vs. Garmin Vivofit 3 vs. Casio WSD-F20A vs. Fitbit Flex vs. HTC re Grip

 
Charge 2
Vivofit 3
WSD-F20A
Flex
re Grip
 FitbitCharge 2Remove Buy NowGarminVivofit 3Remove Buy NowCasioWSD-F20ARemove Buy NowFitbitFlexRemove Buy NowHTCre GripRemove Buy Now

Basic Info

Suggested Price$150$100$399$100$199
Release20162016201820132020

Activity & Fitness

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

Battery

Duration5 days1 year1 day5 days5 hours to 2.5 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNANA
Macn/aNA
Windowsn/aNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a64 x 64320 x 320NA160 x 32
Sizen/a0.55 inches1.32 inchesNA1.8 inches
Touchn/aNA
TypeOLEDn/aLCDLEDPMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/a5 ATM5 ATM1 ATMIP57

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aWear OSNANA
Apps
Music

All Wearables