Fitbit Flex 2 vs. Casio WSD-F20A vs. Garmin Vivofit 4 vs. Garmin Vivosmart HR Plus vs. HTC re Grip

 
Flex 2
WSD-F20A
Vivofit 4
Vivosmart HR Plus
re Grip
 FitbitFlex 2Remove Buy NowCasioWSD-F20ARemove Buy NowGarminVivofit 4Remove Buy NowGarminVivosmart HR PlusRemove Buy NowHTCre GripRemove Buy Now

Basic Info

Suggested Price$100$399$79.95$179$199
Release20162018201820172020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days1 day1 year5 days5 hours to 2.5 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a320 x 32088 x 88160 x 68160 x 32
Sizen/a1.32 inchesNA0.5 inches x 0.8 inches1.8 inches
Touchn/a
TypeLEDLCDNALCDPMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATM5 ATM5 ATMIP57

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aWear OSNANA
Apps
Music

All Wearables