Casio WSD-F20A vs. Fitbit Flex vs. Garmin Vivosmart 4 vs. HTC re Grip

 
WSD-F20A
Flex
Vivosmart 4
re Grip
 CasioWSD-F20ARemove Buy NowFitbitFlexRemove Buy NowGarminVivosmart 4Remove Buy NowHTCre GripRemove Buy Now

Basic Info

Suggested Price$399$100$130$199
Release2018201320182020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration1 day5 days7 days5 hours to 2.5 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNANA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution320 x 320NA48 x 128160 x 32
Size1.32 inchesNA0.74 inches1.8 inches
TouchNA
TypeLCDLEDOLEDPMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM1 ATM5 ATMIP57

Notifications

Phone
Emails
Texts

Software

Operating SystemWear OSNANA
Apps
Music

All Wearables